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builtin rebase: support fork-point option

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This commit adds support for `--fork-point` and `--no-fork-point`.
This is converted as-is from `git-legacy-rebase.sh`.

Signed-off-by: Pratik Karki <predatoramigo@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pratik Karki 2018-09-04 15:00:09 -07:00 committed by Junio C Hamano
parent 103148aad8
commit 92d0d74e8d
1 changed files with 11 additions and 0 deletions
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11
builtin/rebase.c
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@ -632,6 +632,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
struct string_list whitespace = STRING_LIST_INIT_NODUP;
struct string_list exec = STRING_LIST_INIT_NODUP;
const char *rebase_merges = NULL;
int fork_point = -1;
struct option builtin_rebase_options[] = {
OPT_STRING(0, "onto", &options.onto_name,
N_("revision"),
@ -715,6 +716,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
N_("mode"),
N_("try to rebase merges instead of skipping them"),
PARSE_OPT_OPTARG, NULL, (intptr_t)""},
OPT_BOOL(0, "fork-point", &fork_point,
N_("use 'merge-base --fork-point' to refine upstream")),
OPT_END(),
};
@ -1063,6 +1066,14 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
} else
BUG("unexpected number of arguments left to parse");
if (fork_point > 0) {
struct commit *head =
lookup_commit_reference(the_repository,
&options.orig_head);
options.restrict_revision =
get_fork_point(options.upstream_name, head);
}
if (read_index(the_repository->index) < 0)
die(_("could not read index"));