rebase -i: recognize short commands without arguments

The sequencer instruction 'b', short for 'break', is rejected:

  error: invalid line 2: b

The reason is that the parser expects all short commands to have
an argument. Permit short commands without arguments.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/sequencer.c b/sequencer.c
index ee3961e..3107f59 100644 (file)
--- a/sequencer.c
+++ b/sequencer.c
@@ -1954,7 +1954,8 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol)
                if (skip_prefix(bol, todo_command_info[i].str, &bol)) {
                        item->command = i;
                        break;
-               } else if (bol[1] == ' ' && *bol == todo_command_info[i].c) {
+               } else if ((bol + 1 == eol || bol[1] == ' ') &&
+                          *bol == todo_command_info[i].c) {
                        bol++;
                        item->command = i;
                        break;

diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh
index 584604e..8657243 100644 (file)
--- a/t/lib-rebase.sh
+++ b/t/lib-rebase.sh
@@ -49,7 +49,7 @@ set_fake_editor () {
                case $line in
                squash|fixup|edit|reword|drop)
                        action="$line";;
-               exec*|break)
+               exec*|break|b)
                        echo "$line" | sed 's/_/ /g' >> "$1";;
                "#")
                        echo '# comment' >> "$1";;

diff --git a/t/t3418-rebase-continue.sh b/t/t3418-rebase-continue.sh
index 185a491..b282505 100755 (executable)
--- a/t/t3418-rebase-continue.sh
+++ b/t/t3418-rebase-continue.sh
@@ -243,7 +243,9 @@ unset GIT_SEQUENCE_EDITOR
 
 test_expect_success 'the todo command "break" works' '
        rm -f execed &&
-       FAKE_LINES="break exec_>execed" git rebase -i HEAD &&
+       FAKE_LINES="break b exec_>execed" git rebase -i HEAD &&
+       test_path_is_missing execed &&
+       git rebase --continue &&
        test_path_is_missing execed &&
        git rebase --continue &&
        test_path_is_file execed