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sequencer (rebase -i): allow fast-forwarding for edit/reword

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The sequencer already knew how to fast-forward instead of
cherry-picking, if possible.

We want to continue to do this, of course, but in case of the 'reword'
command, we will need to call `git commit` after fast-forwarding.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2017-01-02 16:28:05 +01:00 committed by Junio C Hamano
parent 04efc8b57c
commit bcbb68be2e
1 changed files with 17 additions and 8 deletions
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25
sequencer.c
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@ -860,7 +860,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
const char *base_label, *next_label;
struct commit_message msg = { NULL, NULL, NULL, NULL };
struct strbuf msgbuf = STRBUF_INIT;
int res, unborn = 0, amend = 0, allow;
int res, unborn = 0, amend = 0, allow = 0;
if (opts->no_commit) {
/*
@ -905,11 +905,23 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
else
parent = commit->parents->item;
if (get_message(commit, &msg) != 0)
return error(_("cannot get commit message for %s"),
oid_to_hex(&commit->object.oid));
if (opts->allow_ff && !is_fixup(command) &&
((parent && !hashcmp(parent->object.oid.hash, head)) ||
(!parent && unborn)))
return fast_forward_to(commit->object.oid.hash, head, unborn, opts);
(!parent && unborn))) {
if (is_rebase_i(opts))
write_author_script(msg.message);
res = fast_forward_to(commit->object.oid.hash, head, unborn,
opts);
if (res || command != TODO_REWORD)
goto leave;
edit = amend = 1;
msg_file = NULL;
goto fast_forward_edit;
}
if (parent && parse_commit(parent) < 0)
/* TRANSLATORS: The first %s will be a "todo" command like
"revert" or "pick", the second %s a SHA1. */
@ -917,10 +929,6 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
command_to_string(command),
oid_to_hex(&parent->object.oid));
if (get_message(commit, &msg) != 0)
return error(_("cannot get commit message for %s"),
oid_to_hex(&commit->object.oid));
/*
* "commit" is an existing commit. We would want to apply
* the difference it introduces since its first parent "prev"
@ -1044,6 +1052,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
goto leave;
}
if (!opts->no_commit)
fast_forward_edit:
res = run_git_commit(msg_file, opts, allow, edit, amend,
cleanup_commit_message);