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authorJunio C Hamano <gitster@pobox.com>2016-08-03 22:10:27 (GMT)
committerJunio C Hamano <gitster@pobox.com>2016-08-03 22:10:28 (GMT)
commita58a8e3f7156dadd5d5e9643168545ff057c111a (patch)
treed84a0f05f8f66b1bcd471ceedb11d0e156e5c5c3 /builtin/receive-pack.c
parent67b3a5d4c084c3f579205a07b65169e742d39c02 (diff)
parent83558686ceaeb634b630d5177818d571cafafbf4 (diff)
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Merge branch 'jk/push-progress'
"git push" and "git clone" learned to give better progress meters to the end user who is waiting on the terminal. * jk/push-progress: receive-pack: send keepalives during quiet periods receive-pack: turn on connectivity progress receive-pack: relay connectivity errors to sideband receive-pack: turn on index-pack resolving progress index-pack: add flag for showing delta-resolution progress clone: use a real progress meter for connectivity check check_connected: add progress flag check_connected: relay errors to alternate descriptor check_everything_connected: use a struct with named options check_everything_connected: convert to argv_array rev-list: add optional progress reporting check_everything_connected: always pass --quiet to rev-list
Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r--builtin/receive-pack.c100
1 files changed, 92 insertions, 8 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 3c9360a..92e1213 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -78,6 +78,13 @@ static long nonce_stamp_slop;
static unsigned long nonce_stamp_slop_limit;
static struct ref_transaction *transaction;
+static enum {
+ KEEPALIVE_NEVER = 0,
+ KEEPALIVE_AFTER_NUL,
+ KEEPALIVE_ALWAYS
+} use_keepalive;
+static int keepalive_in_sec = 5;
+
static enum deny_action parse_deny_action(const char *var, const char *value)
{
if (value) {
@@ -200,6 +207,11 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (strcmp(var, "receive.keepalive") == 0) {
+ keepalive_in_sec = git_config_int(var, value);
+ return 0;
+ }
+
return git_default_config(var, value, cb);
}
@@ -328,10 +340,60 @@ static void rp_error(const char *err, ...)
static int copy_to_sideband(int in, int out, void *arg)
{
char data[128];
+ int keepalive_active = 0;
+
+ if (keepalive_in_sec <= 0)
+ use_keepalive = KEEPALIVE_NEVER;
+ if (use_keepalive == KEEPALIVE_ALWAYS)
+ keepalive_active = 1;
+
while (1) {
- ssize_t sz = xread(in, data, sizeof(data));
+ ssize_t sz;
+
+ if (keepalive_active) {
+ struct pollfd pfd;
+ int ret;
+
+ pfd.fd = in;
+ pfd.events = POLLIN;
+ ret = poll(&pfd, 1, 1000 * keepalive_in_sec);
+
+ if (ret < 0) {
+ if (errno == EINTR)
+ continue;
+ else
+ break;
+ } else if (ret == 0) {
+ /* no data; send a keepalive packet */
+ static const char buf[] = "0005\1";
+ write_or_die(1, buf, sizeof(buf) - 1);
+ continue;
+ } /* else there is actual data to read */
+ }
+
+ sz = xread(in, data, sizeof(data));
if (sz <= 0)
break;
+
+ if (use_keepalive == KEEPALIVE_AFTER_NUL && !keepalive_active) {
+ const char *p = memchr(data, '\0', sz);
+ if (p) {
+ /*
+ * The NUL tells us to start sending keepalives. Make
+ * sure we send any other data we read along
+ * with it.
+ */
+ keepalive_active = 1;
+ send_sideband(1, 2, data, p - data, use_sideband);
+ send_sideband(1, 2, p + 1, sz - (p - data + 1), use_sideband);
+ continue;
+ }
+ }
+
+ /*
+ * Either we're not looking for a NUL signal, or we didn't see
+ * it yet; just pass along the data.
+ */
send_sideband(1, 2, data, sz, use_sideband);
}
close(in);
@@ -761,7 +823,7 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
{
static struct lock_file shallow_lock;
struct sha1_array extra = SHA1_ARRAY_INIT;
- const char *alt_file;
+ struct check_connected_options opt = CHECK_CONNECTED_INIT;
uint32_t mask = 1 << (cmd->index % 32);
int i;
@@ -773,9 +835,8 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
!delayed_reachability_test(si, i))
sha1_array_append(&extra, si->shallow->sha1[i]);
- setup_alternate_shallow(&shallow_lock, &alt_file, &extra);
- if (check_shallow_connected(command_singleton_iterator,
- 0, cmd, alt_file)) {
+ setup_alternate_shallow(&shallow_lock, &opt.shallow_file, &extra);
+ if (check_connected(command_singleton_iterator, cmd, &opt)) {
rollback_lock_file(&shallow_lock);
sha1_array_clear(&extra);
return -1;
@@ -1184,8 +1245,8 @@ static void set_connectivity_errors(struct command *commands,
if (shallow_update && si->shallow_ref[cmd->index])
/* to be checked in update_shallow_ref() */
continue;
- if (!check_everything_connected(command_singleton_iterator,
- 0, &singleton))
+ if (!check_connected(command_singleton_iterator, &singleton,
+ NULL))
continue;
cmd->error_string = "missing necessary objects";
}
@@ -1343,9 +1404,12 @@ static void execute_commands(struct command *commands,
struct shallow_info *si,
const struct string_list *push_options)
{
+ struct check_connected_options opt = CHECK_CONNECTED_INIT;
struct command *cmd;
unsigned char sha1[20];
struct iterate_data data;
+ struct async muxer;
+ int err_fd = 0;
if (unpacker_error) {
for (cmd = commands; cmd; cmd = cmd->next)
@@ -1353,11 +1417,25 @@ static void execute_commands(struct command *commands,
return;
}
+ if (use_sideband) {
+ memset(&muxer, 0, sizeof(muxer));
+ muxer.proc = copy_to_sideband;
+ muxer.in = -1;
+ if (!start_async(&muxer))
+ err_fd = muxer.in;
+ /* ...else, continue without relaying sideband */
+ }
+
data.cmds = commands;
data.si = si;
- if (check_everything_connected(iterate_receive_command_list, 0, &data))
+ opt.err_fd = err_fd;
+ opt.progress = err_fd && !quiet;
+ if (check_connected(iterate_receive_command_list, &data, &opt))
set_connectivity_errors(commands, si);
+ if (use_sideband)
+ finish_async(&muxer);
+
reject_updates_to_hidden(commands);
if (run_receive_hook(commands, "pre-receive", 0, push_options)) {
@@ -1591,6 +1669,10 @@ static const char *unpack(int err_fd, struct shallow_info *si)
(uintmax_t)getpid(),
hostname);
+ if (!quiet && err_fd)
+ argv_array_push(&child.args, "--show-resolving-progress");
+ if (use_sideband)
+ argv_array_push(&child.args, "--report-end-of-input");
if (fsck_objects)
argv_array_pushf(&child.args, "--strict%s",
fsck_msg_types.buf);
@@ -1620,6 +1702,7 @@ static const char *unpack_with_sideband(struct shallow_info *si)
if (!use_sideband)
return unpack(0, si);
+ use_keepalive = KEEPALIVE_AFTER_NUL;
memset(&muxer, 0, sizeof(muxer));
muxer.proc = copy_to_sideband;
muxer.in = -1;
@@ -1811,6 +1894,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
unpack_status = unpack_with_sideband(&si);
update_shallow_info(commands, &si, &ref);
}
+ use_keepalive = KEEPALIVE_ALWAYS;
execute_commands(commands, unpack_status, &si,
&push_options);
if (pack_lockfile)