revert: tolerate extra spaces, tabs in insn sheet

Tolerate extra spaces and tabs as part of the the field separator in
'.git/sequencer/todo', for people with fat fingers.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/revert.c b/builtin/revert.c
index 6d520aee7d6d8d0f5426a3ddd0bccfea0ec90346..164552e05ae805dad7eb159980c2c275f8445d1f 100644 (file)
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -719,18 +719,24 @@ static struct commit *parse_insn_line(char *bol, char *eol, struct replay_opts *
        unsigned char commit_sha1[20];
        enum replay_action action;
        char *end_of_object_name;
-       int saved, status;
+       int saved, status, padding;
 
-       if (!prefixcmp(bol, "pick ")) {
+       if (!prefixcmp(bol, "pick")) {
                action = CHERRY_PICK;
-               bol += strlen("pick ");
-       } else if (!prefixcmp(bol, "revert ")) {
+               bol += strlen("pick");
+       } else if (!prefixcmp(bol, "revert")) {
                action = REVERT;
-               bol += strlen("revert ");
+               bol += strlen("revert");
        } else
                return NULL;
 
-       end_of_object_name = bol + strcspn(bol, " \n");
+       /* Eat up extra spaces/ tabs before object name */
+       padding = strspn(bol, " \t");
+       if (!padding)
+               return NULL;
+       bol += padding;
+
+       end_of_object_name = bol + strcspn(bol, " \t\n");
        saved = *end_of_object_name;
        *end_of_object_name = '\0';
        status = get_sha1(bol, commit_sha1);

diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
index 1820a424e97a2c8fafb9ba174c57ddc20c28ad2f..1069857553c1e20607e5c0fa94522fe07fd01933 100755 (executable)
--- a/t/t3510-cherry-pick-sequence.sh
+++ b/t/t3510-cherry-pick-sequence.sh
@@ -492,6 +492,17 @@ test_expect_success 'malformed instruction sheet 3' '
        test_must_fail git cherry-pick --continue
 '
 
+test_expect_success 'instruction sheet, fat-fingers version' '
+       pristine_detach initial &&
+       test_must_fail git cherry-pick base..anotherpick &&
+       echo "c" >foo &&
+       git add foo &&
+       git commit &&
+       sed "s/pick \([0-9a-f]*\)/pick   \1     /" .git/sequencer/todo >new_sheet &&
+       cp new_sheet .git/sequencer/todo &&
+       git cherry-pick --continue
+'
+
 test_expect_success 'commit descriptions in insn sheet are optional' '
        pristine_detach initial &&
        test_must_fail git cherry-pick base..anotherpick &&