[PATCH v4 05/11] transport: convert pre-push to hook API
From: Adrian Ratiu <hidden>
Date: 2025-12-04 14:16:14
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Emily Shaffer <redacted> 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 <redacted> Signed-off-by: Ævar Arnfjörð Bjarmason <redacted> Signed-off-by: Adrian Ratiu <redacted> --- transport.c | 94 ++++++++++++++++++++++++++++------------------------- 1 file changed, 50 insertions(+), 44 deletions(-)
diff --git a/transport.c b/transport.c
index c7f06a7382..047f2cefba 100644
--- a/transport.c
+++ b/transport.c@@ -1316,65 +1316,71 @@ static void die_with_unpushed_submodules(struct string_list *needs_pushing) die(_("Aborting.")); } -static int run_pre_push_hook(struct transport *transport, - struct ref *remote_refs) -{ - int ret = 0, x; - struct ref *r; - struct child_process proc = CHILD_PROCESS_INIT; +struct feed_pre_push_hook_data { struct strbuf buf; - const char *hook_path = find_hook(the_repository, "pre-push"); + const struct ref *refs; +}; - if (!hook_path) - return 0; +static int pre_push_hook_feed_stdin(int hook_stdin_fd, void *pp_cb UNUSED, void *pp_task_cb) +{ + struct feed_pre_push_hook_data *data = pp_task_cb; + const struct ref *r = data->refs; + int ret = 0; - strvec_push(&proc.args, hook_path); - strvec_push(&proc.args, transport->remote->name); - strvec_push(&proc.args, transport->url); + if (!r) + return 1; /* no more refs */ - proc.in = -1; - proc.trace2_hook_name = "pre-push"; + data->refs = r->next; - if (start_command(&proc)) { - finish_command(&proc); - return -1; + switch (r->status) { + case REF_STATUS_REJECT_ALREADY_EXISTS: + case REF_STATUS_REJECT_FETCH_FIRST: + case REF_STATUS_REJECT_NEEDS_FORCE: + case REF_STATUS_REJECT_NODELETE: + case REF_STATUS_REJECT_NONFASTFORWARD: + case REF_STATUS_REJECT_REMOTE_UPDATED: + case REF_STATUS_REJECT_SHALLOW: + case REF_STATUS_REJECT_STALE: + case REF_STATUS_UPTODATE: + return 0; /* skip refs which won't be pushed */ + default: + break; } - sigchain_push(SIGPIPE, SIG_IGN); + if (!r->peer_ref) + return 0; - strbuf_init(&buf, 256); + strbuf_reset(&data->buf); + strbuf_addf(&data->buf, "%s %s %s %s\n", + r->peer_ref->name, oid_to_hex(&r->new_oid), + r->name, oid_to_hex(&r->old_oid)); - for (r = remote_refs; r; r = r->next) { - if (!r->peer_ref) continue; - if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue; - if (r->status == REF_STATUS_REJECT_STALE) continue; - if (r->status == REF_STATUS_REJECT_REMOTE_UPDATED) continue; - if (r->status == REF_STATUS_UPTODATE) continue; + ret = write_in_full(hook_stdin_fd, data->buf.buf, data->buf.len); + if (ret < 0 && errno != EPIPE) + return ret; /* We do not mind if a hook does not read all refs. */ - strbuf_reset(&buf); - strbuf_addf( &buf, "%s %s %s %s\n", - r->peer_ref->name, oid_to_hex(&r->new_oid), - r->name, oid_to_hex(&r->old_oid)); + return 0; +} - if (write_in_full(proc.in, buf.buf, buf.len) < 0) { - /* We do not mind if a hook does not read all refs. */ - if (errno != EPIPE) - ret = -1; - break; - } - } +static int run_pre_push_hook(struct transport *transport, + struct ref *remote_refs) +{ + struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; + struct feed_pre_push_hook_data data; + int ret = 0; + + strvec_push(&opt.args, transport->remote->name); + strvec_push(&opt.args, transport->url); - strbuf_release(&buf); + strbuf_init(&data.buf, 0); + data.refs = remote_refs; - x = close(proc.in); - if (!ret) - ret = x; + opt.feed_pipe = pre_push_hook_feed_stdin; + opt.feed_pipe_cb_data = &data; - sigchain_pop(SIGPIPE); + ret = run_hooks_opt(the_repository, "pre-push", &opt); - x = finish_command(&proc); - if (!ret) - ret = x; + strbuf_release(&data.buf); return ret; }
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2.51.0