By using hook.h to invoke the 'update' hook, now hooks can be specified in the config in addition to the hookdir. Signed-off-by: Emily Shaffer <emilyshaffer@xxxxxxxxxx> --- Documentation/githooks.txt | 3 ++ builtin/receive-pack.c | 65 ++++++++++++++++++++++---------- t/t1416-ref-transaction-hooks.sh | 4 +- 3 files changed, 50 insertions(+), 22 deletions(-) diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt index edb840dcdd..1d731474ac 100644 --- a/Documentation/githooks.txt +++ b/Documentation/githooks.txt @@ -368,6 +368,9 @@ The default 'update' hook, when enabled--and with `hooks.allowunannotated` config option unset or set to false--prevents unannotated tags to be pushed. +Hooks executed during 'update' are run in parallel, unless hook.jobs is +configured to 1. + [[proc-receive]] proc-receive ~~~~~~~~~~~~ diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 09e7cdee45..0f6bc8653f 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -938,33 +938,58 @@ static int run_receive_hook(struct command *commands, return status; } +static void hook_output_to_sideband(struct strbuf *output, void *cb_data) +{ + int keepalive_active = 0; + + if (keepalive_in_sec <= 0) + use_keepalive = KEEPALIVE_NEVER; + if (use_keepalive == KEEPALIVE_ALWAYS) + keepalive_active = 1; + + /* send a keepalive if there is no data to write */ + if (keepalive_active && !output->len) { + static const char buf[] = "0005\1"; + write_or_die(1, buf, sizeof(buf) - 1); + return; + } + + if (use_keepalive == KEEPALIVE_AFTER_NUL && !keepalive_active) { + const char *first_null = memchr(output->buf, '\0', output->len); + if (first_null) { + /* The null bit is excluded. */ + size_t before_null = first_null - output->buf; + size_t after_null = output->len - (before_null + 1); + keepalive_active = 1; + send_sideband(1, 2, output->buf, before_null, use_sideband); + send_sideband(1, 2, first_null + 1, after_null, use_sideband); + + return; + } + } + + send_sideband(1, 2, output->buf, output->len, use_sideband); +} + static int run_update_hook(struct command *cmd) { - const char *argv[5]; - struct child_process proc = CHILD_PROCESS_INIT; + struct run_hooks_opt opt; int code; - argv[0] = find_hook("update"); - if (!argv[0]) - return 0; + run_hooks_opt_init_async(&opt); - argv[1] = cmd->ref_name; - argv[2] = oid_to_hex(&cmd->old_oid); - argv[3] = oid_to_hex(&cmd->new_oid); - argv[4] = NULL; + strvec_pushl(&opt.args, + cmd->ref_name, + oid_to_hex(&cmd->old_oid), + oid_to_hex(&cmd->new_oid), + NULL); - proc.no_stdin = 1; - proc.stdout_to_stderr = 1; - proc.err = use_sideband ? -1 : 0; - proc.argv = argv; - proc.trace2_hook_name = "update"; - - code = start_command(&proc); - if (code) - return code; if (use_sideband) - copy_to_sideband(proc.err, -1, NULL); - return finish_command(&proc); + opt.consume_sideband = hook_output_to_sideband; + + code = run_hooks("update", &opt); + run_hooks_opt_clear(&opt); + return code; } static struct command *find_command_by_refname(struct command *list, diff --git a/t/t1416-ref-transaction-hooks.sh b/t/t1416-ref-transaction-hooks.sh index 3a90a59143..0a3c3e4a86 100755 --- a/t/t1416-ref-transaction-hooks.sh +++ b/t/t1416-ref-transaction-hooks.sh @@ -124,10 +124,10 @@ test_expect_success 'interleaving hook calls succeed' ' EOF cat >expect <<-EOF && - hooks/update refs/tags/PRE $ZERO_OID $PRE_OID + $(pwd)/target-repo.git/hooks/update refs/tags/PRE $ZERO_OID $PRE_OID $(pwd)/target-repo.git/hooks/reference-transaction prepared $(pwd)/target-repo.git/hooks/reference-transaction committed - hooks/update refs/tags/POST $ZERO_OID $POST_OID + $(pwd)/target-repo.git/hooks/update refs/tags/POST $ZERO_OID $POST_OID $(pwd)/target-repo.git/hooks/reference-transaction prepared $(pwd)/target-repo.git/hooks/reference-transaction committed EOF -- 2.31.1.818.g46aad6cb9e-goog