Since 3041c32 (am: --rebasing, 2008-03-04), git-am.sh supported the
--rebasing option, which is used internally by git-rebase to tell git-am
that it is being used for its purpose. It would create the empty file
$state_dir/rebasing to help "completion" scripts tell if the ongoing
operation is am or rebase.
As of 0fbb95d (am: don't call mailinfo if $rebasing, 2012-06-26),
--rebasing also implies --3way as well.
Since a1549e1 (am: return control to caller, for housekeeping,
2013-05-12), git-am.sh would only clean up the state directory when it
is not --rebasing, instead deferring cleanup to git-rebase.sh.
Re-implement the above in builtin/am.c.
Signed-off-by: Paul Tan <pyoka...@gmail.com>
---
builtin/am.c | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/builtin/am.c b/builtin/am.c
index e154c87..9afa3bb 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -80,6 +80,8 @@ struct am_state {
/* override error message when patch failure occurs */
const char *resolvemsg;
+
+ int rebasing;
};
/**
@@ -305,6 +307,8 @@ static void am_load(struct am_state *state)
read_state_file(&sb, am_path(state, "sign"), 2, 1);
state->sign = !strcmp(sb.buf, "t");
+ state->rebasing = !!file_exists(am_path(state, "rebasing"));
+
strbuf_release(&sb);
}
@@ -484,6 +488,9 @@ static void am_setup(struct am_state *state, enum
patch_format patch_format,
die(_("Failed to split patches."));
}
+ if (state->rebasing)
+ state->threeway = 1;
+
write_file(am_path(state, "next"), 1, "%d", state->cur);
write_file(am_path(state, "last"), 1, "%d", state->last);
@@ -494,12 +501,20 @@ static void am_setup(struct am_state *state, enum
patch_format patch_format,
write_file(am_path(state, "sign"), 1, state->sign ? "t" : "f");
+ if (state->rebasing)
+ write_file(am_path(state, "rebasing"), 1, "%s", "");
+ else
+ write_file(am_path(state, "applying"), 1, "%s", "");
+
if (!get_sha1("HEAD", curr_head)) {
write_file(am_path(state, "abort-safety"), 1, "%s",
sha1_to_hex(curr_head));
- update_ref("am", "ORIG_HEAD", curr_head, NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
+ if (!state->rebasing)
+ update_ref("am", "ORIG_HEAD", curr_head, NULL, 0,
+ UPDATE_REFS_DIE_ON_ERR);
} else {
write_file(am_path(state, "abort-safety"), 1, "%s", "");
- delete_ref("ORIG_HEAD", NULL, 0);
+ if (!state->rebasing)
+ delete_ref("ORIG_HEAD", NULL, 0);
}
}
@@ -921,7 +936,8 @@ next:
am_next(state);
}
- am_destroy(state);
+ if (!state->rebasing)
+ am_destroy(state);
}
/**
@@ -1175,6 +1191,8 @@ static struct option am_options[] = {
OPT_CMDMODE(0, "abort", &opt_resume,
N_("restore the original branch and abort the patching
operation."),
RESUME_ABORT),
+ OPT_HIDDEN_BOOL(0, "rebasing", &state.rebasing,
+ N_("(internal use for git-rebase)")),
OPT_END()
};
--
2.1.4
--
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