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#!/bin/sh
# After setting the fake editor with this function, you can
#
# - override the commit message with $FAKE_COMMIT_MESSAGE,
# - amend the commit message with $FAKE_COMMIT_AMEND
# - check that non-commit messages have a certain line count with $EXPECT_COUNT
# - rewrite a rebase -i script with $FAKE_LINES in the form
#
# "[<lineno1>] [<lineno2>]..."
#
# If a line number is prefixed with "squash" or "edit", the respective line's
# command will be replaced with the specified one.
set_fake_editor () {
echo "#!$SHELL_PATH" >fake-editor.sh
cat >> fake-editor.sh <<\EOF
case "$1" in
*/COMMIT_EDITMSG)
test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
exit
;;
esac
test -z "$EXPECT_COUNT" ||
test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
exit
test -z "$FAKE_LINES" && exit
grep -v '^#' < "$1" > "$1".tmp
rm -f "$1"
cat "$1".tmp
action=pick
for line in $FAKE_LINES; do
case $line in
squash|edit)
action="$line";;
*)
echo sed -n "${line}s/^pick/$action/p"
sed -n "${line}p" < "$1".tmp
sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
action=pick;;
esac
done
EOF
test_set_editor "$(pwd)/fake-editor.sh"
chmod a+x fake-editor.sh
}
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