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[2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id jo13sm3447293ejb.91.2021.06.17.03.23.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jun 2021 03:23:29 -0700 (PDT) From: =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= To: git@vger.kernel.org Cc: Junio C Hamano , Emily Shaffer , Jeff King , Taylor Blau , Felipe Contreras , Eric Sunshine , "brian m . carlson" , Josh Steadmon , Jonathan Tan , Derrick Stolee , =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsCBCamFy?= =?utf-8?b?bWFzb24=?= Subject: [PATCH 24/27] receive-pack: convert 'update' hook to hook.h Date: Thu, 17 Jun 2021 12:22:58 +0200 Message-Id: X-Mailer: git-send-email 2.32.0.576.g59759b6ca7d In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Emily Shaffer This makes use of the new sideband API in hook.h added in the preceding commit. Signed-off-by: Emily Shaffer Signed-off-by: Ævar Arnfjörð Bjarmason --- builtin/receive-pack.c | 65 ++++++++++++++++++++++++++++-------------- 1 file changed, 44 insertions(+), 21 deletions(-) diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 5248228ebf..378f8f6b5d 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -938,33 +938,56 @@ static int run_receive_hook(struct command *commands, return status; } -static int run_update_hook(struct command *cmd) +static void hook_output_to_sideband(struct strbuf *output, void *cb_data) { - const char *argv[5]; - struct child_process proc = CHILD_PROCESS_INIT; - int code; + int keepalive_active = 0; - argv[0] = find_hook("update"); - if (!argv[0]) - return 0; + if (keepalive_in_sec <= 0) + use_keepalive = KEEPALIVE_NEVER; + if (use_keepalive == KEEPALIVE_ALWAYS) + keepalive_active = 1; - argv[1] = cmd->ref_name; - argv[2] = oid_to_hex(&cmd->old_oid); - argv[3] = oid_to_hex(&cmd->new_oid); - argv[4] = NULL; + /* 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; + } - proc.no_stdin = 1; - proc.stdout_to_stderr = 1; - proc.err = use_sideband ? -1 : 0; - proc.argv = argv; - proc.trace2_hook_name = "update"; + 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) +{ + struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT; + int code; + + strvec_pushl(&opt.args, + cmd->ref_name, + oid_to_hex(&cmd->old_oid), + oid_to_hex(&cmd->new_oid), + NULL); - 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,