builtin rebase: support --committer-date-is-author-date

This option is simply handed down to `git am` by way of setting the
`git_am_opt` variable that is handled by the `git-rebase--am` backend.

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>

diff --git a/builtin/rebase.c b/builtin/rebase.c
index 24dc646ea5b6b33847b69c75d24c188d6542ea79..6ce50eae0f2ea7da89348f40ed5046c18ab8ab29 100644 (file)
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -526,6 +526,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                ACTION_EDIT_TODO,
                ACTION_SHOW_CURRENT_PATCH,
        } action = NO_ACTION;
+       int committer_date_is_author_date = 0;
        struct option builtin_rebase_options[] = {
                OPT_STRING(0, "onto", &options.onto_name,
                           N_("revision"),
@@ -543,6 +544,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                        PARSE_OPT_NOARG, NULL, REBASE_DIFFSTAT },
                OPT_BOOL(0, "signoff", &options.signoff,
                         N_("add a Signed-off-by: line to each commit")),
+               OPT_BOOL(0, "committer-date-is-author-date",
+                        &committer_date_is_author_date,
+                        N_("passed to 'git am'")),
                OPT_BIT('f', "force-rebase", &options.flags,
                        N_("cherry-pick all commits, even if unchanged"),
                        REBASE_FORCE),
@@ -763,6 +767,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
        if (!(options.flags & REBASE_NO_QUIET))
                strbuf_addstr(&options.git_am_opt, " -q");
 
+       if (committer_date_is_author_date) {
+               strbuf_addstr(&options.git_am_opt,
+                             " --committer-date-is-author-date");
+               options.flags |= REBASE_FORCE;
+       }
+
        switch (options.type) {
        case REBASE_MERGE:
        case REBASE_INTERACTIVE: