git/t/t3308-notes-merge.sh

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#!/bin/sh
#
# Copyright (c) 2010 Johan Herland
#
test_description='Test merging of notes trees'
. ./test-lib.sh
test_expect_success setup '
test_commit 1st &&
test_commit 2nd &&
test_commit 3rd &&
test_commit 4th &&
test_commit 5th &&
# Create notes on 4 first commits
git config core.notesRef refs/notes/x &&
git notes add -m "Notes on 1st commit" 1st &&
git notes add -m "Notes on 2nd commit" 2nd &&
git notes add -m "Notes on 3rd commit" 3rd &&
git notes add -m "Notes on 4th commit" 4th &&
# Copy notes to remote-notes
git fetch . refs/notes/*:refs/remote-notes/origin/* &&
test_oid_cache <<-EOF
hash4a sha1:5e93d24084d32e1cb61f7070505b9d2530cca987
hash3a sha1:8366731eeee53787d2bdf8fc1eff7d94757e8da0
hash2a sha1:eede89064cd42441590d6afec6c37b321ada3389
hash1a sha1:daa55ffad6cb99bf64226532147ffcaf5ce8bdd1
hash5b sha1:0f2efbd00262f2fd41dfae33df8765618eeacd99
hash4b sha1:dec2502dac3ea161543f71930044deff93fa945c
hash3b sha1:4069cdb399fd45463ec6eef8e051a16a03592d91
hash2c sha1:d000d30e6ddcfce3a8122c403226a2ce2fd04d9d
hash1c sha1:43add6bd0c8c0bc871ac7991e0f5573cfba27804
hash4d sha1:1f257a3a90328557c452f0817d6cc50c89d315d4
hash3d sha1:05a4927951bcef347f51486575b878b2b60137f2
hash4a sha256:eef876be1d32ac2e2e42240e0429325cec116e55e88cb2969899fac695aa762f
hash3a sha256:cf7cd1bc091d7ba4166a86df864110e42087cd893a5ae96bc50d637e0290939d
hash2a sha256:21ddde7ebce2c285213898cb04deca0fd3209610cf7aaf8222e4e2f45262fae2
hash1a sha256:f9fe0eda16c6027732ed9d4295689a03abd16f893be69b3dcbf4037ddb191921
hash5b sha256:20046f2244577797a9e3d3f790ea9eca4d8a6bafb2a5570bcb0e03aa02ce100b
hash4b sha256:f90563d134c61a95bb88afbd45d48ccc9e919c62aa6fbfcd483302b3e4d8dbcb
hash3b sha256:988f2aca9f2d87e93e6a73197c2bb99560cc44a2f92d18653968f956f01221e0
hash2c sha256:84153b777b4d42827a756c6578dcdb59d8ae5d1360b874fb37c430150c825c26
hash1c sha256:9beb2bc4eef72e4c4087be168a20573e34d993d9ab1883055f23e322afa06567
hash4d sha256:32de39dc06e679a7abb2d4a55ede7709b3124340a4a90aa305971b1c72ac319d
hash3d sha256:fa73b20e41cbb7541c4c81d1535016131dbfbeb05bf6a71f6115e9cad31c7af5
EOF
'
commit_sha1=$(git rev-parse 1st^{commit})
commit_sha2=$(git rev-parse 2nd^{commit})
commit_sha3=$(git rev-parse 3rd^{commit})
commit_sha4=$(git rev-parse 4th^{commit})
commit_sha5=$(git rev-parse 5th^{commit})
verify_notes () {
notes_ref="$1"
git -c core.notesRef="refs/notes/$notes_ref" notes |
sort >"output_notes_$notes_ref" &&
test_cmp "expect_notes_$notes_ref" "output_notes_$notes_ref" &&
git -c core.notesRef="refs/notes/$notes_ref" log --format="%H %s%n%N" \
>"output_log_$notes_ref" &&
test_cmp "expect_log_$notes_ref" "output_log_$notes_ref"
}
cat <<EOF | sort >expect_notes_x
$(test_oid hash4a) $commit_sha4
$(test_oid hash3a) $commit_sha3
$(test_oid hash2a) $commit_sha2
$(test_oid hash1a) $commit_sha1
EOF
cat >expect_log_x <<EOF
$commit_sha5 5th
$commit_sha4 4th
Notes on 4th commit
$commit_sha3 3rd
Notes on 3rd commit
$commit_sha2 2nd
Notes on 2nd commit
$commit_sha1 1st
Notes on 1st commit
EOF
test_expect_success 'verify initial notes (x)' '
verify_notes x
'
cp expect_notes_x expect_notes_y
cp expect_notes_x expect_notes_v
cp expect_log_x expect_log_y
cp expect_log_x expect_log_v
test_expect_success 'fail to merge empty notes ref into empty notes ref (z => y)' '
test_must_fail git -c "core.notesRef=refs/notes/y" notes merge z
'
test_expect_success 'fail to merge into various non-notes refs' '
test_must_fail git -c "core.notesRef=refs/notes" notes merge x &&
test_must_fail git -c "core.notesRef=refs/notes/" notes merge x &&
git update-ref refs/notes/dir/foo HEAD &&
test_must_fail git -c "core.notesRef=refs/notes/dir" notes merge x &&
test_must_fail git -c "core.notesRef=refs/notes/dir/" notes merge x &&
test_must_fail git -c "core.notesRef=refs/heads/main" notes merge x &&
test_must_fail git -c "core.notesRef=refs/notes/y:" notes merge x &&
test_must_fail git -c "core.notesRef=refs/notes/y:foo" notes merge x &&
test_must_fail git -c "core.notesRef=refs/notes/foo^{bar" notes merge x
'
test_expect_success 'merge non-notes ref into empty notes ref (remote-notes/origin/x => v)' '
git config core.notesRef refs/notes/v &&
git notes merge refs/remote-notes/origin/x &&
verify_notes v &&
# refs/remote-notes/origin/x and v should point to the same notes commit
test "$(git rev-parse refs/remote-notes/origin/x)" = "$(git rev-parse refs/notes/v)"
'
test_expect_success 'merge notes into empty notes ref (x => y)' '
git config core.notesRef refs/notes/y &&
git notes merge x &&
verify_notes y &&
# x and y should point to the same notes commit
test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
'
test_expect_success 'merge empty notes ref (z => y)' '
git notes merge z &&
# y should not change (still == x)
test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
'
test_expect_success 'change notes on other notes ref (y)' '
# Not touching notes to 1st commit
git notes remove 2nd &&
git notes append -m "More notes on 3rd commit" 3rd &&
git notes add -f -m "New notes on 4th commit" 4th &&
git notes add -m "Notes on 5th commit" 5th
'
test_expect_success 'merge previous notes commit (y^ => y) => No-op' '
pre_state="$(git rev-parse refs/notes/y)" &&
git notes merge y^ &&
# y should not move
test "$pre_state" = "$(git rev-parse refs/notes/y)"
'
cat <<EOF | sort >expect_notes_y
$(test_oid hash5b) $commit_sha5
$(test_oid hash4b) $commit_sha4
$(test_oid hash3b) $commit_sha3
$(test_oid hash1a) $commit_sha1
EOF
cat >expect_log_y <<EOF
$commit_sha5 5th
Notes on 5th commit
$commit_sha4 4th
New notes on 4th commit
$commit_sha3 3rd
Notes on 3rd commit
More notes on 3rd commit
$commit_sha2 2nd
$commit_sha1 1st
Notes on 1st commit
EOF
test_expect_success 'verify changed notes on other notes ref (y)' '
verify_notes y
'
test_expect_success 'verify unchanged notes on original notes ref (x)' '
verify_notes x
'
test_expect_success 'merge original notes (x) into changed notes (y) => No-op' '
git notes merge -vvv x &&
verify_notes y &&
verify_notes x
'
cp expect_notes_y expect_notes_x
cp expect_log_y expect_log_x
test_expect_success 'merge changed (y) into original (x) => Fast-forward' '
git config core.notesRef refs/notes/x &&
git notes merge y &&
verify_notes x &&
verify_notes y &&
# x and y should point to same the notes commit
test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
'
git notes merge: Handle real, non-conflicting notes merges This continuation of the 'git notes merge' implementation teaches notes-merge to properly do real merges between notes trees: Two diffs are performed, one from $base to $remote, and another from $base to $local. The paths in each diff are normalized to SHA1 object names. The two diffs are then consolidated into a single list of change pairs to be evaluated. Each change pair consist of: - The annotated object's SHA1 - The $base SHA1 (i.e. the common ancestor notes for this object) - The $local SHA1 (i.e. the current notes for this object) - The $remote SHA1 (i.e. the to-be-merged notes for this object) From the pair ($base -> $local, $base -> $remote), we can determine the merge result using regular 3-way rules. If conflicts are encountered in this process, we fail loudly and exit (conflict handling to be added in a future patch), If we can complete the merge without conflicts, the resulting notes tree is committed, and the current notes ref updated. The patch includes added testcases verifying that we can successfully do real conflict-less merges. This patch has been improved by the following contributions: - Jonathan Nieder: Future-proof by always checking add_note() return value - Stephen Boyd: Use test_commit - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Junio C Hamano: fixup minor style issues Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-15 02:54:11 +03:00
test_expect_success 'merge empty notes ref (z => y)' '
# Prepare empty (but valid) notes ref (z)
git config core.notesRef refs/notes/z &&
git notes add -m "foo" &&
git notes remove &&
git notes >output_notes_z &&
test_must_be_empty output_notes_z &&
git notes merge: Handle real, non-conflicting notes merges This continuation of the 'git notes merge' implementation teaches notes-merge to properly do real merges between notes trees: Two diffs are performed, one from $base to $remote, and another from $base to $local. The paths in each diff are normalized to SHA1 object names. The two diffs are then consolidated into a single list of change pairs to be evaluated. Each change pair consist of: - The annotated object's SHA1 - The $base SHA1 (i.e. the common ancestor notes for this object) - The $local SHA1 (i.e. the current notes for this object) - The $remote SHA1 (i.e. the to-be-merged notes for this object) From the pair ($base -> $local, $base -> $remote), we can determine the merge result using regular 3-way rules. If conflicts are encountered in this process, we fail loudly and exit (conflict handling to be added in a future patch), If we can complete the merge without conflicts, the resulting notes tree is committed, and the current notes ref updated. The patch includes added testcases verifying that we can successfully do real conflict-less merges. This patch has been improved by the following contributions: - Jonathan Nieder: Future-proof by always checking add_note() return value - Stephen Boyd: Use test_commit - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Junio C Hamano: fixup minor style issues Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-15 02:54:11 +03:00
# Do the merge (z => y)
git config core.notesRef refs/notes/y &&
git notes merge z &&
verify_notes y &&
# y should no longer point to the same notes commit as x
test "$(git rev-parse refs/notes/x)" != "$(git rev-parse refs/notes/y)"
'
cat <<EOF | sort >expect_notes_y
$(test_oid hash5b) $commit_sha5
$(test_oid hash4b) $commit_sha4
$(test_oid hash3b) $commit_sha3
$(test_oid hash2c) $commit_sha2
$(test_oid hash1c) $commit_sha1
git notes merge: Handle real, non-conflicting notes merges This continuation of the 'git notes merge' implementation teaches notes-merge to properly do real merges between notes trees: Two diffs are performed, one from $base to $remote, and another from $base to $local. The paths in each diff are normalized to SHA1 object names. The two diffs are then consolidated into a single list of change pairs to be evaluated. Each change pair consist of: - The annotated object's SHA1 - The $base SHA1 (i.e. the common ancestor notes for this object) - The $local SHA1 (i.e. the current notes for this object) - The $remote SHA1 (i.e. the to-be-merged notes for this object) From the pair ($base -> $local, $base -> $remote), we can determine the merge result using regular 3-way rules. If conflicts are encountered in this process, we fail loudly and exit (conflict handling to be added in a future patch), If we can complete the merge without conflicts, the resulting notes tree is committed, and the current notes ref updated. The patch includes added testcases verifying that we can successfully do real conflict-less merges. This patch has been improved by the following contributions: - Jonathan Nieder: Future-proof by always checking add_note() return value - Stephen Boyd: Use test_commit - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Junio C Hamano: fixup minor style issues Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-15 02:54:11 +03:00
EOF
cat >expect_log_y <<EOF
$commit_sha5 5th
Notes on 5th commit
$commit_sha4 4th
New notes on 4th commit
$commit_sha3 3rd
Notes on 3rd commit
More notes on 3rd commit
$commit_sha2 2nd
New notes on 2nd commit
$commit_sha1 1st
Notes on 1st commit
More notes on 1st commit
EOF
test_expect_success 'change notes on other notes ref (y)' '
# Append to 1st commit notes
git notes append -m "More notes on 1st commit" 1st &&
# Add new notes to 2nd commit
git notes add -m "New notes on 2nd commit" 2nd &&
verify_notes y
'
cat <<EOF | sort >expect_notes_x
$(test_oid hash5b) $commit_sha5
$(test_oid hash4d) $commit_sha4
$(test_oid hash1a) $commit_sha1
git notes merge: Handle real, non-conflicting notes merges This continuation of the 'git notes merge' implementation teaches notes-merge to properly do real merges between notes trees: Two diffs are performed, one from $base to $remote, and another from $base to $local. The paths in each diff are normalized to SHA1 object names. The two diffs are then consolidated into a single list of change pairs to be evaluated. Each change pair consist of: - The annotated object's SHA1 - The $base SHA1 (i.e. the common ancestor notes for this object) - The $local SHA1 (i.e. the current notes for this object) - The $remote SHA1 (i.e. the to-be-merged notes for this object) From the pair ($base -> $local, $base -> $remote), we can determine the merge result using regular 3-way rules. If conflicts are encountered in this process, we fail loudly and exit (conflict handling to be added in a future patch), If we can complete the merge without conflicts, the resulting notes tree is committed, and the current notes ref updated. The patch includes added testcases verifying that we can successfully do real conflict-less merges. This patch has been improved by the following contributions: - Jonathan Nieder: Future-proof by always checking add_note() return value - Stephen Boyd: Use test_commit - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Junio C Hamano: fixup minor style issues Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-15 02:54:11 +03:00
EOF
cat >expect_log_x <<EOF
$commit_sha5 5th
Notes on 5th commit
$commit_sha4 4th
New notes on 4th commit
More notes on 4th commit
$commit_sha3 3rd
$commit_sha2 2nd
$commit_sha1 1st
Notes on 1st commit
EOF
test_expect_success 'change notes on notes ref (x)' '
git config core.notesRef refs/notes/x &&
git notes remove 3rd &&
git notes append -m "More notes on 4th commit" 4th &&
verify_notes x
'
cat <<EOF | sort >expect_notes_x
$(test_oid hash5b) $commit_sha5
$(test_oid hash4d) $commit_sha4
$(test_oid hash2c) $commit_sha2
$(test_oid hash1c) $commit_sha1
git notes merge: Handle real, non-conflicting notes merges This continuation of the 'git notes merge' implementation teaches notes-merge to properly do real merges between notes trees: Two diffs are performed, one from $base to $remote, and another from $base to $local. The paths in each diff are normalized to SHA1 object names. The two diffs are then consolidated into a single list of change pairs to be evaluated. Each change pair consist of: - The annotated object's SHA1 - The $base SHA1 (i.e. the common ancestor notes for this object) - The $local SHA1 (i.e. the current notes for this object) - The $remote SHA1 (i.e. the to-be-merged notes for this object) From the pair ($base -> $local, $base -> $remote), we can determine the merge result using regular 3-way rules. If conflicts are encountered in this process, we fail loudly and exit (conflict handling to be added in a future patch), If we can complete the merge without conflicts, the resulting notes tree is committed, and the current notes ref updated. The patch includes added testcases verifying that we can successfully do real conflict-less merges. This patch has been improved by the following contributions: - Jonathan Nieder: Future-proof by always checking add_note() return value - Stephen Boyd: Use test_commit - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Junio C Hamano: fixup minor style issues Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-15 02:54:11 +03:00
EOF
cat >expect_log_x <<EOF
$commit_sha5 5th
Notes on 5th commit
$commit_sha4 4th
New notes on 4th commit
More notes on 4th commit
$commit_sha3 3rd
$commit_sha2 2nd
New notes on 2nd commit
$commit_sha1 1st
Notes on 1st commit
More notes on 1st commit
EOF
test_expect_success 'merge y into x => Non-conflicting 3-way merge' '
git notes merge y &&
verify_notes x &&
verify_notes y
'
cat <<EOF | sort >expect_notes_w
$(test_oid hash3d) $commit_sha3
$(test_oid hash2c) $commit_sha2
git notes merge: Handle real, non-conflicting notes merges This continuation of the 'git notes merge' implementation teaches notes-merge to properly do real merges between notes trees: Two diffs are performed, one from $base to $remote, and another from $base to $local. The paths in each diff are normalized to SHA1 object names. The two diffs are then consolidated into a single list of change pairs to be evaluated. Each change pair consist of: - The annotated object's SHA1 - The $base SHA1 (i.e. the common ancestor notes for this object) - The $local SHA1 (i.e. the current notes for this object) - The $remote SHA1 (i.e. the to-be-merged notes for this object) From the pair ($base -> $local, $base -> $remote), we can determine the merge result using regular 3-way rules. If conflicts are encountered in this process, we fail loudly and exit (conflict handling to be added in a future patch), If we can complete the merge without conflicts, the resulting notes tree is committed, and the current notes ref updated. The patch includes added testcases verifying that we can successfully do real conflict-less merges. This patch has been improved by the following contributions: - Jonathan Nieder: Future-proof by always checking add_note() return value - Stephen Boyd: Use test_commit - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Junio C Hamano: fixup minor style issues Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-15 02:54:11 +03:00
EOF
cat >expect_log_w <<EOF
$commit_sha5 5th
$commit_sha4 4th
$commit_sha3 3rd
New notes on 3rd commit
$commit_sha2 2nd
New notes on 2nd commit
$commit_sha1 1st
EOF
test_expect_success 'create notes on new, separate notes ref (w)' '
git config core.notesRef refs/notes/w &&
# Add same note as refs/notes/y on 2nd commit
git notes add -m "New notes on 2nd commit" 2nd &&
# Add new note on 3rd commit (non-conflicting)
git notes add -m "New notes on 3rd commit" 3rd &&
# Verify state of notes on new, separate notes ref (w)
verify_notes w
'
cat <<EOF | sort >expect_notes_x
$(test_oid hash5b) $commit_sha5
$(test_oid hash4d) $commit_sha4
$(test_oid hash3d) $commit_sha3
$(test_oid hash2c) $commit_sha2
$(test_oid hash1c) $commit_sha1
git notes merge: Handle real, non-conflicting notes merges This continuation of the 'git notes merge' implementation teaches notes-merge to properly do real merges between notes trees: Two diffs are performed, one from $base to $remote, and another from $base to $local. The paths in each diff are normalized to SHA1 object names. The two diffs are then consolidated into a single list of change pairs to be evaluated. Each change pair consist of: - The annotated object's SHA1 - The $base SHA1 (i.e. the common ancestor notes for this object) - The $local SHA1 (i.e. the current notes for this object) - The $remote SHA1 (i.e. the to-be-merged notes for this object) From the pair ($base -> $local, $base -> $remote), we can determine the merge result using regular 3-way rules. If conflicts are encountered in this process, we fail loudly and exit (conflict handling to be added in a future patch), If we can complete the merge without conflicts, the resulting notes tree is committed, and the current notes ref updated. The patch includes added testcases verifying that we can successfully do real conflict-less merges. This patch has been improved by the following contributions: - Jonathan Nieder: Future-proof by always checking add_note() return value - Stephen Boyd: Use test_commit - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Junio C Hamano: fixup minor style issues Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-15 02:54:11 +03:00
EOF
cat >expect_log_x <<EOF
$commit_sha5 5th
Notes on 5th commit
$commit_sha4 4th
New notes on 4th commit
More notes on 4th commit
$commit_sha3 3rd
New notes on 3rd commit
$commit_sha2 2nd
New notes on 2nd commit
$commit_sha1 1st
Notes on 1st commit
More notes on 1st commit
EOF
test_expect_success 'merge w into x => Non-conflicting history-less merge' '
git config core.notesRef refs/notes/x &&
git notes merge w &&
# Verify new state of notes on other notes ref (x)
verify_notes x &&
# Also verify that nothing changed on other notes refs (y and w)
verify_notes y &&
verify_notes w
'
test_done