зеркало из https://github.com/microsoft/git.git
225 строки
6.3 KiB
Bash
225 строки
6.3 KiB
Bash
# Helper functions used by interactive rebase tests.
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# After setting the fake editor with this function, you can
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#
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# - override the commit message with $FAKE_COMMIT_MESSAGE
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# - amend the commit message with $FAKE_COMMIT_AMEND
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# - copy the original commit message to a file with $FAKE_MESSAGE_COPY
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# - check that non-commit messages have a certain line count with $EXPECT_COUNT
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# - check the commit count in the commit message header with $EXPECT_HEADER_COUNT
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# - rewrite a rebase -i script as directed by $FAKE_LINES.
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# $FAKE_LINES consists of a sequence of words separated by spaces.
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# The following word combinations are possible:
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#
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# "<lineno>" -- add a "pick" line with the SHA1 taken from the
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# specified line.
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#
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# "<cmd> <lineno>" -- add a line with the specified command
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# ("pick", "squash", "fixup"|"fixup_-C"|"fixup_-c", "edit", "reword" or "drop")
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# and the SHA1 taken from the specified line.
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#
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# "_" -- add a space, like "fixup_-C" implies "fixup -C" and
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# "exec_cmd_with_args" add an "exec cmd with args" line.
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#
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# "#" -- Add a comment line.
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#
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# ">" -- Add a blank line.
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set_fake_editor () {
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write_script fake-editor.sh <<-\EOF
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case "$1" in
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*/COMMIT_EDITMSG)
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test -z "$EXPECT_HEADER_COUNT" ||
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test "$EXPECT_HEADER_COUNT" = "$(sed -n '1s/^# This is a combination of \(.*\) commits\./\1/p' < "$1")" ||
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exit
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test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
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test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
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test -z "$FAKE_MESSAGE_COPY" || cat "$1" >"$FAKE_MESSAGE_COPY"
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exit
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;;
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esac
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test -z "$EXPECT_COUNT" ||
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test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
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exit
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test -z "$FAKE_LINES" && exit
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grep -v '^#' < "$1" > "$1".tmp
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rm -f "$1"
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echo 'rebase -i script before editing:'
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cat "$1".tmp
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action=\&
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for line in $FAKE_LINES; do
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case $line in
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pick|p|squash|s|fixup|f|edit|e|reword|r|drop|d|label|l|reset|r|merge|m)
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action="$line";;
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exec_*|x_*|break|b)
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echo "$line" | sed 's/_/ /g' >> "$1";;
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merge_*|fixup_*)
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action=$(echo "$line" | sed 's/_/ /g');;
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"#")
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echo '# comment' >> "$1";;
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">")
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echo >> "$1";;
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bad)
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action="badcmd";;
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fakesha)
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test \& != "$action" || action=pick
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echo "$action XXXXXXX False commit" >> "$1"
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action=pick;;
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*)
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sed -n "${line}s/^[a-z][a-z]*/$action/p" < "$1".tmp >> "$1"
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action=\&;;
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esac
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done
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echo 'rebase -i script after editing:'
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cat "$1"
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EOF
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test_set_editor "$(pwd)/fake-editor.sh"
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}
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# After set_cat_todo_editor, rebase -i will write the todo list (ignoring
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# blank lines and comments) to stdout, and exit failure (so you should run
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# it with test_must_fail). This can be used to verify the expected user
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# experience, for todo list changes that do not affect the outcome of
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# rebase; or as an extra check in addition to checking the outcome.
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set_cat_todo_editor () {
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write_script fake-editor.sh <<-\EOF
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grep "^[^#]" "$1"
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exit 1
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EOF
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test_set_editor "$(pwd)/fake-editor.sh"
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}
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# checks that the revisions in "$2" represent a linear range with the
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# subjects in "$1"
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test_linear_range () {
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revlist_merges=$(git rev-list --merges "$2") &&
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test -z "$revlist_merges" &&
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expected=$1
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set -- $(git log --reverse --format=%s "$2")
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test "$expected" = "$*"
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}
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reset_rebase () {
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test_might_fail git rebase --abort &&
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git reset --hard &&
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git clean -f
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}
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cherry_pick () {
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git cherry-pick -n "$2" &&
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git commit -m "$1" &&
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git tag "$1"
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}
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revert () {
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git revert -n "$2" &&
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git commit -m "$1" &&
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git tag "$1"
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}
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make_empty () {
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git commit --allow-empty -m "$1" &&
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git tag "$1"
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}
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# Call this (inside test_expect_success) at the end of a test file to
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# check that no tests have changed editor related environment
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# variables or config settings
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test_editor_unchanged () {
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# We're only interested in exported variables hence 'sh -c'
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sh -c 'cat >actual <<-EOF
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EDITOR=$EDITOR
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FAKE_COMMIT_AMEND=$FAKE_COMMIT_AMEND
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FAKE_COMMIT_MESSAGE=$FAKE_COMMIT_MESSAGE
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FAKE_LINES=$FAKE_LINES
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GIT_EDITOR=$GIT_EDITOR
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GIT_SEQUENCE_EDITOR=$GIT_SEQUENCE_EDITOR
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core.editor=$(git config core.editor)
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sequence.editor=$(git config sequence.editor)
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EOF'
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cat >expect <<-\EOF
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EDITOR=:
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FAKE_COMMIT_AMEND=
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FAKE_COMMIT_MESSAGE=
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FAKE_LINES=
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GIT_EDITOR=
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GIT_SEQUENCE_EDITOR=
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core.editor=
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sequence.editor=
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EOF
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test_cmp expect actual
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}
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# Set up an editor for testing reword commands
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# Checks that there are no uncommitted changes when rewording and that the
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# todo-list is reread after each
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set_reword_editor () {
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>reword-actual &&
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>reword-oid &&
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# Check rewording keeps the original authorship
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GIT_AUTHOR_NAME="Reword Author"
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GIT_AUTHOR_EMAIL="reword.author@example.com"
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GIT_AUTHOR_DATE=@123456
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write_script reword-sequence-editor.sh <<-\EOF &&
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todo="$(cat "$1")" &&
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echo "exec git log -1 --pretty=format:'%an <%ae> %at%n%B%n' \
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>>reword-actual" >"$1" &&
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printf "%s\n" "$todo" >>"$1"
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EOF
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write_script reword-editor.sh <<-EOF &&
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# Save the oid of the first reworded commit so we can check rebase
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# fast-forwards to it. Also check that we do not write .git/MERGE_MSG
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# when fast-forwarding
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if ! test -s reword-oid
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then
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git rev-parse HEAD >reword-oid &&
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if test -f .git/MERGE_MSG
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then
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echo 1>&2 "error: .git/MERGE_MSG exists"
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exit 1
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fi
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fi &&
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# There should be no uncommited changes
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git diff --exit-code HEAD &&
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# The todo-list should be re-read after a reword
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GIT_SEQUENCE_EDITOR="\"$PWD/reword-sequence-editor.sh\"" \
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git rebase --edit-todo &&
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echo edited >>"\$1"
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EOF
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test_set_editor "$PWD/reword-editor.sh"
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}
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# Check the results of a rebase after calling set_reword_editor
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# Pass the commits that were reworded in the order that they were picked
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# Expects the first pick to be a fast-forward
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check_reworded_commits () {
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test_cmp_rev "$(cat reword-oid)" "$1^{commit}" &&
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git log --format="%an <%ae> %at%n%B%nedited%n" --no-walk=unsorted "$@" \
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>reword-expected &&
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test_cmp reword-expected reword-actual &&
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git log --format="%an <%ae> %at%n%B" -n $# --first-parent --reverse \
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>reword-log &&
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test_cmp reword-expected reword-log
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}
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# usage: set_replace_editor <file>
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#
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# Replace the todo file with the exact contents of the given file.
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set_replace_editor () {
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cat >script <<-\EOF &&
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cat FILENAME >"$1"
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echo 'rebase -i script after editing:'
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cat "$1"
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EOF
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sed -e "s/FILENAME/$1/g" <script | write_script fake-editor.sh &&
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test_set_editor "$(pwd)/fake-editor.sh"
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}
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