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authorJunio C Hamano <gitster@pobox.com>2010-02-06 05:08:53 (GMT)
committerJunio C Hamano <gitster@pobox.com>2010-02-06 05:08:53 (GMT)
commit76d44c8cfda9be1db78884580ab045c421b083fe (patch)
tree9ac31805cf463c84b0bd097e5246a1711181323b /builtin-receive-pack.c
parentb0883aa6c77111e88496bd0afe073caf68ab9f99 (diff)
parent6d525d389fbef814b11e41f196e6656f2e95f412 (diff)
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Merge branch 'sp/maint-push-sideband' into sp/push-sideband
* sp/maint-push-sideband: receive-pack: Send hook output over side band #2 receive-pack: Wrap status reports inside side-band-64k receive-pack: Refactor how capabilities are shown to the client send-pack: demultiplex a sideband stream with status data run-command: support custom fd-set in async run-command: Allow stderr to be a caller supplied pipe Update git fsck --full short description to mention packs Conflicts: run-command.c
Diffstat (limited to 'builtin-receive-pack.c')
-rw-r--r--builtin-receive-pack.c111
1 files changed, 88 insertions, 23 deletions
diff --git a/builtin-receive-pack.c b/builtin-receive-pack.c
index 4320c93..b704fbd 100644
--- a/builtin-receive-pack.c
+++ b/builtin-receive-pack.c
@@ -2,6 +2,7 @@
#include "pack.h"
#include "refs.h"
#include "pkt-line.h"
+#include "sideband.h"
#include "run-command.h"
#include "exec_cmd.h"
#include "commit.h"
@@ -27,11 +28,12 @@ static int receive_unpack_limit = -1;
static int transfer_unpack_limit = -1;
static int unpack_limit = 100;
static int report_status;
+static int use_sideband;
static int prefer_ofs_delta = 1;
static int auto_update_server_info;
static int auto_gc = 1;
static const char *head_name;
-static char *capabilities_to_send;
+static int sent_capabilities;
static enum deny_action parse_deny_action(const char *var, const char *value)
{
@@ -105,19 +107,21 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
- if (!capabilities_to_send)
+ if (sent_capabilities)
packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
else
- packet_write(1, "%s %s%c%s\n",
- sha1_to_hex(sha1), path, 0, capabilities_to_send);
- capabilities_to_send = NULL;
+ packet_write(1, "%s %s%c%s%s\n",
+ sha1_to_hex(sha1), path, 0,
+ " report-status delete-refs side-band-64k",
+ prefer_ofs_delta ? " ofs-delta" : "");
+ sent_capabilities = 1;
return 0;
}
static void write_head_info(void)
{
for_each_ref(show_ref, NULL);
- if (capabilities_to_send)
+ if (!sent_capabilities)
show_ref("capabilities^{}", null_sha1, 0, NULL);
}
@@ -135,11 +139,25 @@ static struct command *commands;
static const char pre_receive_hook[] = "hooks/pre-receive";
static const char post_receive_hook[] = "hooks/post-receive";
+static int copy_to_sideband(int in, int out, void *arg)
+{
+ char data[128];
+ while (1) {
+ ssize_t sz = xread(in, data, sizeof(data));
+ if (sz <= 0)
+ break;
+ send_sideband(1, 2, data, sz, use_sideband);
+ }
+ close(in);
+ return 0;
+}
+
static int run_receive_hook(const char *hook_name)
{
static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4];
struct command *cmd;
struct child_process proc;
+ struct async muxer;
const char *argv[2];
int have_input = 0, code;
@@ -159,9 +177,23 @@ static int run_receive_hook(const char *hook_name)
proc.in = -1;
proc.stdout_to_stderr = 1;
+ if (use_sideband) {
+ memset(&muxer, 0, sizeof(muxer));
+ muxer.proc = copy_to_sideband;
+ muxer.in = -1;
+ code = start_async(&muxer);
+ if (code)
+ return code;
+ proc.err = muxer.in;
+ }
+
code = start_command(&proc);
- if (code)
+ if (code) {
+ if (use_sideband)
+ finish_async(&muxer);
return code;
+ }
+
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string) {
size_t n = snprintf(buf, sizeof(buf), "%s %s %s\n",
@@ -173,6 +205,8 @@ static int run_receive_hook(const char *hook_name)
}
}
close(proc.in);
+ if (use_sideband)
+ finish_async(&muxer);
return finish_command(&proc);
}
@@ -180,6 +214,8 @@ static int run_update_hook(struct command *cmd)
{
static const char update_hook[] = "hooks/update";
const char *argv[5];
+ struct child_process proc;
+ int code;
if (access(update_hook, X_OK) < 0)
return 0;
@@ -190,8 +226,18 @@ static int run_update_hook(struct command *cmd)
argv[3] = sha1_to_hex(cmd->new_sha1);
argv[4] = NULL;
- return run_command_v_opt(argv, RUN_COMMAND_NO_STDIN |
- RUN_COMMAND_STDOUT_TO_STDERR);
+ memset(&proc, 0, sizeof(proc));
+ proc.no_stdin = 1;
+ proc.stdout_to_stderr = 1;
+ proc.err = use_sideband ? -1 : 0;
+ proc.argv = argv;
+
+ code = start_command(&proc);
+ if (code)
+ return code;
+ if (use_sideband)
+ copy_to_sideband(proc.err, -1, NULL);
+ return finish_command(&proc);
}
static int is_ref_checked_out(const char *ref)
@@ -368,8 +414,9 @@ static char update_post_hook[] = "hooks/post-update";
static void run_update_post_hook(struct command *cmd)
{
struct command *cmd_p;
- int argc, status;
+ int argc;
const char **argv;
+ struct child_process proc;
for (argc = 0, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
if (cmd_p->error_string)
@@ -391,8 +438,18 @@ static void run_update_post_hook(struct command *cmd)
argc++;
}
argv[argc] = NULL;
- status = run_command_v_opt(argv, RUN_COMMAND_NO_STDIN
- | RUN_COMMAND_STDOUT_TO_STDERR);
+
+ memset(&proc, 0, sizeof(proc));
+ proc.no_stdin = 1;
+ proc.stdout_to_stderr = 1;
+ proc.err = use_sideband ? -1 : 0;
+ proc.argv = argv;
+
+ if (!start_command(&proc)) {
+ if (use_sideband)
+ copy_to_sideband(proc.err, -1, NULL);
+ finish_command(&proc);
+ }
}
static void execute_commands(const char *unpacker_error)
@@ -452,6 +509,8 @@ static void read_head_info(void)
if (reflen + 82 < len) {
if (strstr(refname + reflen + 1, "report-status"))
report_status = 1;
+ if (strstr(refname + reflen + 1, "side-band-64k"))
+ use_sideband = LARGE_PACKET_MAX;
}
cmd = xmalloc(sizeof(struct command) + len - 80);
hashcpy(cmd->old_sha1, old_sha1);
@@ -551,17 +610,25 @@ static const char *unpack(void)
static void report(const char *unpack_status)
{
struct command *cmd;
- packet_write(1, "unpack %s\n",
- unpack_status ? unpack_status : "ok");
+ struct strbuf buf = STRBUF_INIT;
+
+ packet_buf_write(&buf, "unpack %s\n",
+ unpack_status ? unpack_status : "ok");
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string)
- packet_write(1, "ok %s\n",
- cmd->ref_name);
+ packet_buf_write(&buf, "ok %s\n",
+ cmd->ref_name);
else
- packet_write(1, "ng %s %s\n",
- cmd->ref_name, cmd->error_string);
+ packet_buf_write(&buf, "ng %s %s\n",
+ cmd->ref_name, cmd->error_string);
}
- packet_flush(1);
+ packet_buf_flush(&buf);
+
+ if (use_sideband)
+ send_sideband(1, 1, buf.buf, buf.len, use_sideband);
+ else
+ safe_write(1, buf.buf, buf.len);
+ strbuf_release(&buf);
}
static int delete_only(struct command *cmd)
@@ -658,10 +725,6 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
else if (0 <= receive_unpack_limit)
unpack_limit = receive_unpack_limit;
- capabilities_to_send = (prefer_ofs_delta) ?
- " report-status delete-refs ofs-delta " :
- " report-status delete-refs ";
-
if (advertise_refs || !stateless_rpc) {
add_alternate_refs();
write_head_info();
@@ -695,5 +758,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
if (auto_update_server_info)
update_server_info(0);
}
+ if (use_sideband)
+ packet_flush(1);
return 0;
}