Merge branch 'jc/deprecate-old-syntax-from-merge'
[git] / t / lib-rebase.sh
1 #!/bin/sh
2
3 # After setting the fake editor with this function, you can
4 #
5 # - override the commit message with $FAKE_COMMIT_MESSAGE,
6 # - amend the commit message with $FAKE_COMMIT_AMEND
7 # - check that non-commit messages have a certain line count with $EXPECT_COUNT
8 # - rewrite a rebase -i script with $FAKE_LINES in the form
9 #
10 #       "[<lineno1>] [<lineno2>]..."
11 #
12 #   If a line number is prefixed with "squash", "edit", or "reword", the
13 #   respective line's command will be replaced with the specified one.
14
15 set_fake_editor () {
16         echo "#!$SHELL_PATH" >fake-editor.sh
17         cat >> fake-editor.sh <<\EOF
18 case "$1" in
19 */COMMIT_EDITMSG)
20         test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
21         test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
22         exit
23         ;;
24 esac
25 test -z "$EXPECT_COUNT" ||
26         test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
27         exit
28 test -z "$FAKE_LINES" && exit
29 grep -v '^#' < "$1" > "$1".tmp
30 rm -f "$1"
31 cat "$1".tmp
32 action=pick
33 for line in $FAKE_LINES; do
34         case $line in
35         squash|edit|reword)
36                 action="$line";;
37         *)
38                 echo sed -n "${line}s/^pick/$action/p"
39                 sed -n "${line}p" < "$1".tmp
40                 sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
41                 action=pick;;
42         esac
43 done
44 EOF
45
46         test_set_editor "$(pwd)/fake-editor.sh"
47         chmod a+x fake-editor.sh
48 }