68 lines
1.9 KiB
Bash
68 lines
1.9 KiB
Bash
#!/bin/sh
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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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# - 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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# $FAKE_LINES consists of a sequence of words separated by spaces.
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# The following word combinations are possible:
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#
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# "<lineno>" -- add a "pick" line with the SHA1 taken from the
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# specified line.
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#
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# "<cmd> <lineno>" -- add a line with the specified command
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# ("squash", "fixup", "edit", or "reword") and the SHA1 taken
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# from the specified line.
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#
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# "#" -- Add a comment line.
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#
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# ">" -- Add a blank line.
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set_fake_editor () {
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echo "#!$SHELL_PATH" >fake-editor.sh
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cat >> 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" >> "$1"
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exit
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;;
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esac
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test -z "$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=pick
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for line in $FAKE_LINES; do
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case $line in
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squash|fixup|edit|reword)
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action="$line";;
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exec*)
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echo "$line" | sed 's/_/ /g' >> "$1";;
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"#")
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echo '# comment' >> "$1";;
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">")
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echo >> "$1";;
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*)
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sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
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action=pick;;
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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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chmod a+x fake-editor.sh
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}
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