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git/t/t4214-log-graph-octopus.sh

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log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
#!/bin/sh
test_description='git log --graph of skewed left octopus merge.'
. ./test-lib.sh
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
. "$TEST_DIRECTORY"/lib-log-graph.sh
test_cmp_graph () {
cat >expect &&
lib_test_cmp_graph --color=never --date-order --format=%s "$@"
}
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph () {
lib_test_cmp_colored_graph --date-order --format=%s "$@"
}
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
test_expect_success 'set up merge history' '
t4214: generate expect in their own test cases Before, the expect files of the test case were being generated in the setup method. However, it would make more sense to generate these files within the test cases that actually use them so that it's obvious to future readers where the expected values are coming from. Move the generation of the expect files in their own respective test cases. While we're at it, we want to establish a pattern in this test suite that, firstly, a non-colored test case is given then, immediately after, the colored version is given. Switch test cases "log --graph with tricky octopus merge, no color" and "log --graph with tricky octopus merge with colors" so that the "no color" version appears first. This patch is best viewed with `--color-moved`. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:17 +03:00
test_commit initial &&
for i in 1 2 3 4 ; do
git checkout master -b $i || return $?
# Make tag name different from branch name, to avoid
# ambiguity error when calling checkout.
test_commit $i $i $i tag$i || return $?
done &&
git checkout 1 -b merge &&
test_merge octopus-merge 1 2 3 4 &&
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
test_commit after-merge &&
t4214: generate expect in their own test cases Before, the expect files of the test case were being generated in the setup method. However, it would make more sense to generate these files within the test cases that actually use them so that it's obvious to future readers where the expected values are coming from. Move the generation of the expect files in their own respective test cases. While we're at it, we want to establish a pattern in this test suite that, firstly, a non-colored test case is given then, immediately after, the colored version is given. Switch test cases "log --graph with tricky octopus merge, no color" and "log --graph with tricky octopus merge with colors" so that the "no color" version appears first. This patch is best viewed with `--color-moved`. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:17 +03:00
git checkout 1 -b L &&
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
test_commit left &&
git checkout 4 -b crossover &&
test_commit after-4 &&
git checkout initial -b more-L &&
test_commit after-initial
t4214: generate expect in their own test cases Before, the expect files of the test case were being generated in the setup method. However, it would make more sense to generate these files within the test cases that actually use them so that it's obvious to future readers where the expected values are coming from. Move the generation of the expect files in their own respective test cases. While we're at it, we want to establish a pattern in this test suite that, firstly, a non-colored test case is given then, immediately after, the colored version is given. Switch test cases "log --graph with tricky octopus merge, no color" and "log --graph with tricky octopus merge with colors" so that the "no color" version appears first. This patch is best viewed with `--color-moved`. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:17 +03:00
'
test_expect_success 'log --graph with tricky octopus merge, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph left octopus-merge <<-\EOF
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
* left
graph: tidy up display of left-skewed merges Currently, when we display a merge whose first parent is already present in a column to the left of the merge commit, we display the first parent as a vertical pipe `|` in the GRAPH_POST_MERGE line and then immediately enter the GRAPH_COLLAPSING state. The first-parent line tracks to the left and all the other parent lines follow it; this creates a "kink" in those lines: | *---. | |\ \ \ |/ / / / | | | * This change tidies the display of such commits such that if the first parent appears to the left of the merge, we render it as a `/` and the second parent as a `|`. This reduces the horizontal and vertical space needed to render the merge, and makes the resulting lines easier to read. | *-. |/|\ \ | | | * If the first parent is separated from the merge by several columns, a horizontal line is drawn in a similar manner to how the GRAPH_COLLAPSING state displays the line. | | | *-. | |_|/|\ \ |/| | | | * This effect is applied to both "normal" two-parent merges, and to octopus merges. It also reduces the vertical space needed for pre-commit lines, as the merge occupies one less column than usual. Before: After: | * | * | |\ | |\ | | \ | * \ | | \ |/|\ \ | *-. \ | |\ \ \ Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:54 +03:00
| *-. octopus-merge
|/|\ \
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
| | | * 4
| | * | 3
| | |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
| * / 2
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
| |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* / 1
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
|/
* initial
EOF
t4214: generate expect in their own test cases Before, the expect files of the test case were being generated in the setup method. However, it would make more sense to generate these files within the test cases that actually use them so that it's obvious to future readers where the expected values are coming from. Move the generation of the expect files in their own respective test cases. While we're at it, we want to establish a pattern in this test suite that, firstly, a non-colored test case is given then, immediately after, the colored version is given. Switch test cases "log --graph with tricky octopus merge, no color" and "log --graph with tricky octopus merge with colors" so that the "no color" version appears first. This patch is best viewed with `--color-moved`. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:17 +03:00
'
test_expect_success 'log --graph with tricky octopus merge with colors' '
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
cat >expect.colors <<-\EOF &&
* left
graph: tidy up display of left-skewed merges Currently, when we display a merge whose first parent is already present in a column to the left of the merge commit, we display the first parent as a vertical pipe `|` in the GRAPH_POST_MERGE line and then immediately enter the GRAPH_COLLAPSING state. The first-parent line tracks to the left and all the other parent lines follow it; this creates a "kink" in those lines: | *---. | |\ \ \ |/ / / / | | | * This change tidies the display of such commits such that if the first parent appears to the left of the merge, we render it as a `/` and the second parent as a `|`. This reduces the horizontal and vertical space needed to render the merge, and makes the resulting lines easier to read. | *-. |/|\ \ | | | * If the first parent is separated from the merge by several columns, a horizontal line is drawn in a similar manner to how the GRAPH_COLLAPSING state displays the line. | | | *-. | |_|/|\ \ |/| | | | * This effect is applied to both "normal" two-parent merges, and to octopus merges. It also reduces the vertical space needed for pre-commit lines, as the merge occupies one less column than usual. Before: After: | * | * | |\ | |\ | | \ | * \ | | \ |/|\ \ | *-. \ | |\ \ \ Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:54 +03:00
<RED>|<RESET> *<MAGENTA>-<RESET><MAGENTA>.<RESET> octopus-merge
<RED>|<RESET><RED>/<RESET><YELLOW>|<RESET><BLUE>\<RESET> <MAGENTA>\<RESET>
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
<RED>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 4
<RED>|<RESET> <YELLOW>|<RESET> * <MAGENTA>|<RESET> 3
<RED>|<RESET> <YELLOW>|<RESET> <MAGENTA>|<RESET><MAGENTA>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
<RED>|<RESET> * <MAGENTA>/<RESET> 2
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
<RED>|<RESET> <MAGENTA>|<RESET><MAGENTA>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* <MAGENTA>/<RESET> 1
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
<MAGENTA>|<RESET><MAGENTA>/<RESET>
* initial
EOF
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph left octopus-merge
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
'
# Repeat the previous two tests with "normal" octopus merge (i.e.,
# without the first parent skewing to the "left" branch column).
test_expect_success 'log --graph with normal octopus merge, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph octopus-merge <<-\EOF
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
*---. octopus-merge
|\ \ \
| | | * 4
| | * | 3
| | |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
| * / 2
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
| |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* / 1
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
|/
* initial
EOF
'
test_expect_success 'log --graph with normal octopus merge with colors' '
cat >expect.colors <<-\EOF &&
*<YELLOW>-<RESET><YELLOW>-<RESET><BLUE>-<RESET><BLUE>.<RESET> octopus-merge
<RED>|<RESET><GREEN>\<RESET> <YELLOW>\<RESET> <BLUE>\<RESET>
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> * 4
<RED>|<RESET> <GREEN>|<RESET> * <BLUE>|<RESET> 3
<RED>|<RESET> <GREEN>|<RESET> <BLUE>|<RESET><BLUE>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
<RED>|<RESET> * <BLUE>/<RESET> 2
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
<RED>|<RESET> <BLUE>|<RESET><BLUE>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* <BLUE>/<RESET> 1
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
<BLUE>|<RESET><BLUE>/<RESET>
* initial
EOF
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph octopus-merge
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
'
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
test_expect_success 'log --graph with normal octopus merge and child, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph after-merge <<-\EOF
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
* after-merge
*---. octopus-merge
|\ \ \
| | | * 4
| | * | 3
| | |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
| * / 2
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
| |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* / 1
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
|/
* initial
EOF
'
graph: fix coloring of octopus dashes In 04005834ed ("log: fix coloring of certain octopus merge shapes", 2018-09-01) there is a fix for the coloring of dashes following an octopus merge. It makes a distinction between the case where all parents introduce a new column, versus the case where the first parent collapses into an existing column: | *-. | *-. | |\ \ | |\ \ | | | | |/ / / The latter case means that the columns for the merge parents begin one place to the left in the `new_columns` array compared to the former case. However, the implementation only works if the commit's parents are kept in order as they map onto the visual columns, as we get the colors by iterating over `new_columns` as we print the dashes. In general, the commit's parents can arbitrarily merge with existing columns, and change their ordering in the process. For example, in the following diagram, the number of each column indicates which commit parent appears in each column. | | *---. | | |\ \ \ | | |/ / / | |/| | / | |_|_|/ |/| | | 3 1 0 2 If the columns are colored (red, green, yellow, blue), then the dashes will currently be colored yellow and blue, whereas they should be blue and red. To fix this, we need to look up each column in the `mapping` array, which before the `GRAPH_COLLAPSING` state indicates which logical column is displayed in each visual column. This implementation is simpler as it doesn't have any edge cases, and it also handles how left-skewed first parents are now displayed: | *-. |/|\ \ | | | | 0 1 2 3 The color of the first dashes is always the color found in `mapping` two columns to the right of the commit symbol. Because commits are displayed after all edges have been collapsed together and the visual columns match the logical ones, we can find the visual offset of the commit symbol using `commit_index`. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:59 +03:00
test_expect_success 'log --graph with normal octopus and child merge with colors' '
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
cat >expect.colors <<-\EOF &&
* after-merge
*<BLUE>-<RESET><BLUE>-<RESET><MAGENTA>-<RESET><MAGENTA>.<RESET> octopus-merge
<GREEN>|<RESET><YELLOW>\<RESET> <BLUE>\<RESET> <MAGENTA>\<RESET>
<GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 4
<GREEN>|<RESET> <YELLOW>|<RESET> * <MAGENTA>|<RESET> 3
<GREEN>|<RESET> <YELLOW>|<RESET> <MAGENTA>|<RESET><MAGENTA>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
<GREEN>|<RESET> * <MAGENTA>/<RESET> 2
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
<GREEN>|<RESET> <MAGENTA>|<RESET><MAGENTA>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* <MAGENTA>/<RESET> 1
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
<MAGENTA>|<RESET><MAGENTA>/<RESET>
* initial
EOF
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph after-merge
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
'
test_expect_success 'log --graph with tricky octopus merge and its child, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph left after-merge <<-\EOF
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
* left
| * after-merge
graph: tidy up display of left-skewed merges Currently, when we display a merge whose first parent is already present in a column to the left of the merge commit, we display the first parent as a vertical pipe `|` in the GRAPH_POST_MERGE line and then immediately enter the GRAPH_COLLAPSING state. The first-parent line tracks to the left and all the other parent lines follow it; this creates a "kink" in those lines: | *---. | |\ \ \ |/ / / / | | | * This change tidies the display of such commits such that if the first parent appears to the left of the merge, we render it as a `/` and the second parent as a `|`. This reduces the horizontal and vertical space needed to render the merge, and makes the resulting lines easier to read. | *-. |/|\ \ | | | * If the first parent is separated from the merge by several columns, a horizontal line is drawn in a similar manner to how the GRAPH_COLLAPSING state displays the line. | | | *-. | |_|/|\ \ |/| | | | * This effect is applied to both "normal" two-parent merges, and to octopus merges. It also reduces the vertical space needed for pre-commit lines, as the merge occupies one less column than usual. Before: After: | * | * | |\ | |\ | | \ | * \ | | \ |/|\ \ | *-. \ | |\ \ \ Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:54 +03:00
| *-. octopus-merge
|/|\ \
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
| | | * 4
| | * | 3
| | |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
| * / 2
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
| |/
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* / 1
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
|/
* initial
EOF
'
graph: fix coloring of octopus dashes In 04005834ed ("log: fix coloring of certain octopus merge shapes", 2018-09-01) there is a fix for the coloring of dashes following an octopus merge. It makes a distinction between the case where all parents introduce a new column, versus the case where the first parent collapses into an existing column: | *-. | *-. | |\ \ | |\ \ | | | | |/ / / The latter case means that the columns for the merge parents begin one place to the left in the `new_columns` array compared to the former case. However, the implementation only works if the commit's parents are kept in order as they map onto the visual columns, as we get the colors by iterating over `new_columns` as we print the dashes. In general, the commit's parents can arbitrarily merge with existing columns, and change their ordering in the process. For example, in the following diagram, the number of each column indicates which commit parent appears in each column. | | *---. | | |\ \ \ | | |/ / / | |/| | / | |_|_|/ |/| | | 3 1 0 2 If the columns are colored (red, green, yellow, blue), then the dashes will currently be colored yellow and blue, whereas they should be blue and red. To fix this, we need to look up each column in the `mapping` array, which before the `GRAPH_COLLAPSING` state indicates which logical column is displayed in each visual column. This implementation is simpler as it doesn't have any edge cases, and it also handles how left-skewed first parents are now displayed: | *-. |/|\ \ | | | | 0 1 2 3 The color of the first dashes is always the color found in `mapping` two columns to the right of the commit symbol. Because commits are displayed after all edges have been collapsed together and the visual columns match the logical ones, we can find the visual offset of the commit symbol using `commit_index`. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:59 +03:00
test_expect_success 'log --graph with tricky octopus merge and its child with colors' '
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
cat >expect.colors <<-\EOF &&
* left
<RED>|<RESET> * after-merge
graph: tidy up display of left-skewed merges Currently, when we display a merge whose first parent is already present in a column to the left of the merge commit, we display the first parent as a vertical pipe `|` in the GRAPH_POST_MERGE line and then immediately enter the GRAPH_COLLAPSING state. The first-parent line tracks to the left and all the other parent lines follow it; this creates a "kink" in those lines: | *---. | |\ \ \ |/ / / / | | | * This change tidies the display of such commits such that if the first parent appears to the left of the merge, we render it as a `/` and the second parent as a `|`. This reduces the horizontal and vertical space needed to render the merge, and makes the resulting lines easier to read. | *-. |/|\ \ | | | * If the first parent is separated from the merge by several columns, a horizontal line is drawn in a similar manner to how the GRAPH_COLLAPSING state displays the line. | | | *-. | |_|/|\ \ |/| | | | * This effect is applied to both "normal" two-parent merges, and to octopus merges. It also reduces the vertical space needed for pre-commit lines, as the merge occupies one less column than usual. Before: After: | * | * | |\ | |\ | | \ | * \ | | \ |/|\ \ | *-. \ | |\ \ \ Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:54 +03:00
<RED>|<RESET> *<CYAN>-<RESET><CYAN>.<RESET> octopus-merge
<RED>|<RESET><RED>/<RESET><BLUE>|<RESET><MAGENTA>\<RESET> <CYAN>\<RESET>
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
<RED>|<RESET> <BLUE>|<RESET> <MAGENTA>|<RESET> * 4
<RED>|<RESET> <BLUE>|<RESET> * <CYAN>|<RESET> 3
<RED>|<RESET> <BLUE>|<RESET> <CYAN>|<RESET><CYAN>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
<RED>|<RESET> * <CYAN>/<RESET> 2
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
<RED>|<RESET> <CYAN>|<RESET><CYAN>/<RESET>
graph: smooth appearance of collapsing edges on commit lines When a graph contains edges that are in the process of collapsing to the left, but those edges cross a commit line, the effect is that the edges have a jagged appearance: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * | | |/ / * | |/ * We already takes steps to smooth edges like this when they're expanding; when an edge appears to the right of a merge commit marker on a GRAPH_COMMIT line immediately following a GRAPH_POST_MERGE line, we render it as a `\`: * \ |\ \ | * \ | |\ \ We can make a similar improvement to collapsing edges, making them easier to follow and giving the overall graph a feeling of increased symmetry: * |\ | * | \ *-. \ |\ \ \ | | * | | * | | | |/ / * / / |/ / * / |/ * To do this, we introduce a new special case for edges on GRAPH_COMMIT lines that immediately follow a GRAPH_COLLAPSING line. By retaining a copy of the `mapping` array used to render the GRAPH_COLLAPSING line in the `old_mapping` array, we can determine that an edge is collapsing through the GRAPH_COMMIT line and should be smoothed. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:57 +03:00
* <CYAN>/<RESET> 1
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
<CYAN>|<RESET><CYAN>/<RESET>
* initial
EOF
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph left after-merge
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
'
test_expect_success 'log --graph with crossover in octopus merge, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph after-4 octopus-merge <<-\EOF
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
* after-4
| *---. octopus-merge
| |\ \ \
| |_|_|/
|/| | |
* | | | 4
| | | * 3
| |_|/
|/| |
| | * 2
| |/
|/|
| * 1
|/
* initial
EOF
'
graph: fix coloring of octopus dashes In 04005834ed ("log: fix coloring of certain octopus merge shapes", 2018-09-01) there is a fix for the coloring of dashes following an octopus merge. It makes a distinction between the case where all parents introduce a new column, versus the case where the first parent collapses into an existing column: | *-. | *-. | |\ \ | |\ \ | | | | |/ / / The latter case means that the columns for the merge parents begin one place to the left in the `new_columns` array compared to the former case. However, the implementation only works if the commit's parents are kept in order as they map onto the visual columns, as we get the colors by iterating over `new_columns` as we print the dashes. In general, the commit's parents can arbitrarily merge with existing columns, and change their ordering in the process. For example, in the following diagram, the number of each column indicates which commit parent appears in each column. | | *---. | | |\ \ \ | | |/ / / | |/| | / | |_|_|/ |/| | | 3 1 0 2 If the columns are colored (red, green, yellow, blue), then the dashes will currently be colored yellow and blue, whereas they should be blue and red. To fix this, we need to look up each column in the `mapping` array, which before the `GRAPH_COLLAPSING` state indicates which logical column is displayed in each visual column. This implementation is simpler as it doesn't have any edge cases, and it also handles how left-skewed first parents are now displayed: | *-. |/|\ \ | | | | 0 1 2 3 The color of the first dashes is always the color found in `mapping` two columns to the right of the commit symbol. Because commits are displayed after all edges have been collapsed together and the visual columns match the logical ones, we can find the visual offset of the commit symbol using `commit_index`. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:59 +03:00
test_expect_success 'log --graph with crossover in octopus merge with colors' '
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
cat >expect.colors <<-\EOF &&
* after-4
<RED>|<RESET> *<BLUE>-<RESET><BLUE>-<RESET><RED>-<RESET><RED>.<RESET> octopus-merge
<RED>|<RESET> <GREEN>|<RESET><YELLOW>\<RESET> <BLUE>\<RESET> <RED>\<RESET>
<RED>|<RESET> <GREEN>|<RESET><RED>_<RESET><YELLOW>|<RESET><RED>_<RESET><BLUE>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET>
* <GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> 4
<MAGENTA>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> * 3
<MAGENTA>|<RESET> <GREEN>|<RESET><MAGENTA>_<RESET><YELLOW>|<RESET><MAGENTA>/<RESET>
<MAGENTA>|<RESET><MAGENTA>/<RESET><GREEN>|<RESET> <YELLOW>|<RESET>
<MAGENTA>|<RESET> <GREEN>|<RESET> * 2
<MAGENTA>|<RESET> <GREEN>|<RESET><MAGENTA>/<RESET>
<MAGENTA>|<RESET><MAGENTA>/<RESET><GREEN>|<RESET>
<MAGENTA>|<RESET> * 1
<MAGENTA>|<RESET><MAGENTA>/<RESET>
* initial
EOF
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph after-4 octopus-merge
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
'
test_expect_success 'log --graph with crossover in octopus merge and its child, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph after-4 after-merge <<-\EOF
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
* after-4
| * after-merge
| *---. octopus-merge
| |\ \ \
| |_|_|/
|/| | |
* | | | 4
| | | * 3
| |_|/
|/| |
| | * 2
| |/
|/|
| * 1
|/
* initial
EOF
'
graph: fix coloring of octopus dashes In 04005834ed ("log: fix coloring of certain octopus merge shapes", 2018-09-01) there is a fix for the coloring of dashes following an octopus merge. It makes a distinction between the case where all parents introduce a new column, versus the case where the first parent collapses into an existing column: | *-. | *-. | |\ \ | |\ \ | | | | |/ / / The latter case means that the columns for the merge parents begin one place to the left in the `new_columns` array compared to the former case. However, the implementation only works if the commit's parents are kept in order as they map onto the visual columns, as we get the colors by iterating over `new_columns` as we print the dashes. In general, the commit's parents can arbitrarily merge with existing columns, and change their ordering in the process. For example, in the following diagram, the number of each column indicates which commit parent appears in each column. | | *---. | | |\ \ \ | | |/ / / | |/| | / | |_|_|/ |/| | | 3 1 0 2 If the columns are colored (red, green, yellow, blue), then the dashes will currently be colored yellow and blue, whereas they should be blue and red. To fix this, we need to look up each column in the `mapping` array, which before the `GRAPH_COLLAPSING` state indicates which logical column is displayed in each visual column. This implementation is simpler as it doesn't have any edge cases, and it also handles how left-skewed first parents are now displayed: | *-. |/|\ \ | | | | 0 1 2 3 The color of the first dashes is always the color found in `mapping` two columns to the right of the commit symbol. Because commits are displayed after all edges have been collapsed together and the visual columns match the logical ones, we can find the visual offset of the commit symbol using `commit_index`. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:59 +03:00
test_expect_success 'log --graph with crossover in octopus merge and its child with colors' '
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
cat >expect.colors <<-\EOF &&
* after-4
<RED>|<RESET> * after-merge
<RED>|<RESET> *<MAGENTA>-<RESET><MAGENTA>-<RESET><RED>-<RESET><RED>.<RESET> octopus-merge
<RED>|<RESET> <YELLOW>|<RESET><BLUE>\<RESET> <MAGENTA>\<RESET> <RED>\<RESET>
<RED>|<RESET> <YELLOW>|<RESET><RED>_<RESET><BLUE>|<RESET><RED>_<RESET><MAGENTA>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><YELLOW>|<RESET> <BLUE>|<RESET> <MAGENTA>|<RESET>
* <YELLOW>|<RESET> <BLUE>|<RESET> <MAGENTA>|<RESET> 4
<CYAN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 3
<CYAN>|<RESET> <YELLOW>|<RESET><CYAN>_<RESET><BLUE>|<RESET><CYAN>/<RESET>
<CYAN>|<RESET><CYAN>/<RESET><YELLOW>|<RESET> <BLUE>|<RESET>
<CYAN>|<RESET> <YELLOW>|<RESET> * 2
<CYAN>|<RESET> <YELLOW>|<RESET><CYAN>/<RESET>
<CYAN>|<RESET><CYAN>/<RESET><YELLOW>|<RESET>
<CYAN>|<RESET> * 1
<CYAN>|<RESET><CYAN>/<RESET>
* initial
EOF
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph after-4 after-merge
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
'
test_expect_success 'log --graph with unrelated commit and octopus tip, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph after-initial octopus-merge <<-\EOF
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
* after-initial
| *---. octopus-merge
| |\ \ \
| | | | * 4
| |_|_|/
|/| | |
| | | * 3
| |_|/
|/| |
| | * 2
| |/
|/|
| * 1
|/
* initial
EOF
'
test_expect_success 'log --graph with unrelated commit and octopus tip with colors' '
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
cat >expect.colors <<-\EOF &&
* after-initial
<RED>|<RESET> *<BLUE>-<RESET><BLUE>-<RESET><MAGENTA>-<RESET><MAGENTA>.<RESET> octopus-merge
<RED>|<RESET> <GREEN>|<RESET><YELLOW>\<RESET> <BLUE>\<RESET> <MAGENTA>\<RESET>
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 4
<RED>|<RESET> <GREEN>|<RESET><RED>_<RESET><YELLOW>|<RESET><RED>_<RESET><BLUE>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET>
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> * 3
<RED>|<RESET> <GREEN>|<RESET><RED>_<RESET><YELLOW>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><GREEN>|<RESET> <YELLOW>|<RESET>
<RED>|<RESET> <GREEN>|<RESET> * 2
<RED>|<RESET> <GREEN>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><GREEN>|<RESET>
<RED>|<RESET> * 1
<RED>|<RESET><RED>/<RESET>
* initial
EOF
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph after-initial octopus-merge
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
'
test_expect_success 'log --graph with unrelated commit and octopus child, no color' '
lib-log-graph: consolidate test_cmp_graph logic Log graph comparision logic is duplicated many times in: - t3430-rebase-merges.sh - t4202-log.sh - t4214-log-graph-octopus.sh - t4215-log-skewed-merges.sh Consolidate the core of the comparision and sanitization logic in lib-log-graph, and use it to replace the existing tests. While at it, lose the singular/plural transition magic from the sanitize_output helper, which was necessary around 7f814632 ("Use correct grammar in diffstat summary line", 2012-02-01), that has long outlived its usefulness. Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:13 +03:00
test_cmp_graph after-initial after-merge <<-\EOF
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
* after-initial
| * after-merge
| *---. octopus-merge
| |\ \ \
| | | | * 4
| |_|_|/
|/| | |
| | | * 3
| |_|/
|/| |
| | * 2
| |/
|/|
| * 1
|/
* initial
EOF
'
graph: fix coloring of octopus dashes In 04005834ed ("log: fix coloring of certain octopus merge shapes", 2018-09-01) there is a fix for the coloring of dashes following an octopus merge. It makes a distinction between the case where all parents introduce a new column, versus the case where the first parent collapses into an existing column: | *-. | *-. | |\ \ | |\ \ | | | | |/ / / The latter case means that the columns for the merge parents begin one place to the left in the `new_columns` array compared to the former case. However, the implementation only works if the commit's parents are kept in order as they map onto the visual columns, as we get the colors by iterating over `new_columns` as we print the dashes. In general, the commit's parents can arbitrarily merge with existing columns, and change their ordering in the process. For example, in the following diagram, the number of each column indicates which commit parent appears in each column. | | *---. | | |\ \ \ | | |/ / / | |/| | / | |_|_|/ |/| | | 3 1 0 2 If the columns are colored (red, green, yellow, blue), then the dashes will currently be colored yellow and blue, whereas they should be blue and red. To fix this, we need to look up each column in the `mapping` array, which before the `GRAPH_COLLAPSING` state indicates which logical column is displayed in each visual column. This implementation is simpler as it doesn't have any edge cases, and it also handles how left-skewed first parents are now displayed: | *-. |/|\ \ | | | | 0 1 2 3 The color of the first dashes is always the color found in `mapping` two columns to the right of the commit symbol. Because commits are displayed after all edges have been collapsed together and the visual columns match the logical ones, we can find the visual offset of the commit symbol using `commit_index`. Signed-off-by: James Coglan <jcoglan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-16 02:47:59 +03:00
test_expect_success 'log --graph with unrelated commit and octopus child with colors' '
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
cat >expect.colors <<-\EOF &&
* after-initial
<RED>|<RESET> * after-merge
<RED>|<RESET> *<MAGENTA>-<RESET><MAGENTA>-<RESET><CYAN>-<RESET><CYAN>.<RESET> octopus-merge
<RED>|<RESET> <YELLOW>|<RESET><BLUE>\<RESET> <MAGENTA>\<RESET> <CYAN>\<RESET>
<RED>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> <MAGENTA>|<RESET> * 4
<RED>|<RESET> <YELLOW>|<RESET><RED>_<RESET><BLUE>|<RESET><RED>_<RESET><MAGENTA>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><YELLOW>|<RESET> <BLUE>|<RESET> <MAGENTA>|<RESET>
<RED>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 3
<RED>|<RESET> <YELLOW>|<RESET><RED>_<RESET><BLUE>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><YELLOW>|<RESET> <BLUE>|<RESET>
<RED>|<RESET> <YELLOW>|<RESET> * 2
<RED>|<RESET> <YELLOW>|<RESET><RED>/<RESET>
<RED>|<RESET><RED>/<RESET><YELLOW>|<RESET>
<RED>|<RESET> * 1
<RED>|<RESET><RED>/<RESET>
* initial
EOF
lib-log-graph: consolidate colored graph cmp logic Signed-off-by: Abhishek Kumar <abhishekkumar8222@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-24 16:38:14 +03:00
test_cmp_colored_graph after-initial after-merge
t4214: demonstrate octopus graph coloring failure The graph coloring logic for octopus merges currently has a bug. This can be seen git.git with 74c7cfa875 (Merge of http://members.cox.net/junkio/git-jc.git, 2005-05-05), whose second child is 211232bae6 (Octopus merge of the following five patches., 2005-05-05). If one runs git log --graph 74c7cfa875 one can see that the octopus merge is colored incorrectly. In particular, the horizontal dashes are off by one color. Each horizontal dash should be the color of the line to their bottom-right. Instead, they are currently the color of the line to their bottom. Demonstrate this breakage with a few sets of test cases. These test cases should show not only simple cases of the bug occuring but trickier situations that may not be handled properly in any attempt to fix the bug. While we're at it, include a passing test case as a canary in case an attempt to fix the bug breaks existing operation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-04 03:23:22 +03:00
'
log: fix coloring of certain octopus merge shapes For octopus merges where the first parent edge immediately merges into the next column to the left, the number of columns should be one less than the usual case. First parent to the left case: | *-. | |\ \ |/ / / The usual case: | *-. | |\ \ | | | * Also refactor the code to iterate over columns rather than dashes, building from an initial patch suggested by Jeff King. Signed-off-by: Noam Postavsky <npostavs@users.sourceforge.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-02 03:07:16 +03:00
test_done