Since d1c5f2a (Add git-am, applymbox replacement., 2005-10-07),
git-am.sh will invoke the applypatch-msg hooks just after extracting the
patch message. If the applypatch-msg hook exits with a non-zero status,
git-am.sh abort before even applying the patch to the index.
Re-implement this in builtin/am.c.
Signed-off-by: Paul Tan <pyokagan@xxxxxxxxx>
---
builtin/am.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/builtin/am.c b/builtin/am.c
index 2255a1e..f856d3b 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -491,6 +491,27 @@ static void am_destroy(const struct am_state *state)
}
/**
+ * Runs applypatch-msg hook. Returns its exit code.
+ */
+static int run_applypatch_msg_hook(struct am_state *state)
+{
+ int ret;
+
+ assert(state->msg);
+ ret = run_hook_le(NULL, "applypatch-msg", am_path(state, "final-commit"), NULL);
+
+ if (!ret) {
+ free(state->msg);
+ state->msg = NULL;
+ if (read_commit_msg(state) < 0)
+ die(_("'%s' was deleted by the applypatch-msg hook"),
+ am_path(state, "final-commit"));
+ }
+
+ return ret;
+}
+
+/**
* Runs post-rewrite hook. Returns it exit code.
*/
static int run_post_rewrite_hook(const struct am_state *state)
@@ -1434,6 +1455,9 @@ static void am_run(struct am_state *state)
write_author_script(state);
write_commit_msg(state);
+ if (run_applypatch_msg_hook(state))
+ exit(1);
+
say(state, stdout, _("Applying: %.*s"), linelen(state->msg), state->msg);
apply_status = run_apply(state, NULL);
--
2.5.0.rc1.76.gf60a929
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