transport: convert pre-push to hook API
Move the pre-push hook from custom run-command invocations to the new hook API which doesn't require a custom child_process structure and signal toggling. Signed-off-by: Emily Shaffer <emilyshaffer@google.com> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Emily Shaffer committed
Dec 26, 2025 at 14:23 UTC
3e2836a742d8b2b2da25ca06e9d0ac3a539bd966
1 file changed
+45
-44
transport.c
+45
-44
@@ -1316,65 +1316,66 @@ static void die_with_unpushed_submodules(struct string_list *needs_pushing)
1316
die(_("Aborting."));
1317
}
1318
1319
-static int run_pre_push_hook(struct transport *transport,
1320
- struct ref *remote_refs)
1321
-{
1322
- int ret = 0, x;
1323
- struct ref *r;
1324
- struct child_process proc = CHILD_PROCESS_INIT;
1319
+struct feed_pre_push_hook_data {
1320
struct strbuf buf;
1326
- const char *hook_path = find_hook(the_repository, "pre-push");
1321
+ const struct ref *refs;
1322
+};
1323
1328
- if (!hook_path)
1329
- return 0;
1324
+static int pre_push_hook_feed_stdin(int hook_stdin_fd, void *pp_cb UNUSED, void *pp_task_cb)
1325
+{
1326
+ struct feed_pre_push_hook_data *data = pp_task_cb;
1327
+ const struct ref *r = data->refs;
1328
+ int ret = 0;
1329
1331
- strvec_push(&proc.args, hook_path);
1332
- strvec_push(&proc.args, transport->remote->name);
1333
- strvec_push(&proc.args, transport->url);
1330
+ if (!r)
1331
+ return 1; /* no more refs */
1332
1335
- proc.in = -1;
1336
- proc.trace2_hook_name = "pre-push";
1333
+ data->refs = r->next;
1334
1338
- if (start_command(&proc)) {
1339
- finish_command(&proc);
1340
- return -1;
1335
+ switch (r->status) {
1336
+ case REF_STATUS_REJECT_NONFASTFORWARD:
1337
+ case REF_STATUS_REJECT_REMOTE_UPDATED:
1338
+ case REF_STATUS_REJECT_STALE:
1339
+ case REF_STATUS_UPTODATE:
1340
+ return 0; /* skip refs which won't be pushed */
1341
+ default:
1342
+ break;
1343
}
1344
1343
- sigchain_push(SIGPIPE, SIG_IGN);
1345
+ if (!r->peer_ref)
1346
+ return 0;
1347
1345
- strbuf_init(&buf, 256);
1348
+ strbuf_reset(&data->buf);
1349
+ strbuf_addf(&data->buf, "%s %s %s %s\n",
1350
+ r->peer_ref->name, oid_to_hex(&r->new_oid),
1351
+ r->name, oid_to_hex(&r->old_oid));
1352
1347
- for (r = remote_refs; r; r = r->next) {
1348
- if (!r->peer_ref) continue;
1349
- if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue;
1350
- if (r->status == REF_STATUS_REJECT_STALE) continue;
1351
- if (r->status == REF_STATUS_REJECT_REMOTE_UPDATED) continue;
1352
- if (r->status == REF_STATUS_UPTODATE) continue;
1353
+ ret = write_in_full(hook_stdin_fd, data->buf.buf, data->buf.len);
1354
+ if (ret < 0 && errno != EPIPE)
1355
+ return ret; /* We do not mind if a hook does not read all refs. */
1356
1354
- strbuf_reset(&buf);
1355
- strbuf_addf( &buf, "%s %s %s %s\n",
1356
- r->peer_ref->name, oid_to_hex(&r->new_oid),
1357
- r->name, oid_to_hex(&r->old_oid));
1357
+ return 0;
1358
+}
1359
1359
- if (write_in_full(proc.in, buf.buf, buf.len) < 0) {
1360
- /* We do not mind if a hook does not read all refs. */
1361
- if (errno != EPIPE)
1362
- ret = -1;
1363
- break;
1364
- }
1365
- }
1360
+static int run_pre_push_hook(struct transport *transport,
1361
+ struct ref *remote_refs)
1362
+{
1363
+ struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;
1364
+ struct feed_pre_push_hook_data data;
1365
+ int ret = 0;
1366
+
1367
+ strvec_push(&opt.args, transport->remote->name);
1368
+ strvec_push(&opt.args, transport->url);
1369
1367
- strbuf_release(&buf);
1370
+ strbuf_init(&data.buf, 0);
1371
+ data.refs = remote_refs;
1372
1369
- x = close(proc.in);
1370
- if (!ret)
1371
- ret = x;
1373
+ opt.feed_pipe = pre_push_hook_feed_stdin;
1374
+ opt.feed_pipe_cb_data = &data;
1375
1373
- sigchain_pop(SIGPIPE);
1376
+ ret = run_hooks_opt(the_repository, "pre-push", &opt);
1377
1375
- x = finish_command(&proc);
1376
- if (!ret)
1377
- ret = x;
1378
+ strbuf_release(&data.buf);
1379
1380
return ret;
1381
}