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Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r--builtin/receive-pack.c94
1 files changed, 54 insertions, 40 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index a38ea7ddb3..e908d079ba 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1,4 +1,5 @@
#include "builtin.h"
+#include "lockfile.h"
#include "pack.h"
#include "refs.h"
#include "pkt-line.h"
@@ -17,6 +18,7 @@
#include "version.h"
#include "tag.h"
#include "gpg-interface.h"
+#include "sigchain.h"
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
@@ -451,7 +453,6 @@ leave:
static void prepare_push_cert_sha1(struct child_process *proc)
{
static int already_done;
- struct argv_array env = ARGV_ARRAY_INIT;
if (!push_cert.len)
return;
@@ -485,27 +486,33 @@ static void prepare_push_cert_sha1(struct child_process *proc)
nonce_status = check_nonce(push_cert.buf, bogs);
}
if (!is_null_sha1(push_cert_sha1)) {
- argv_array_pushf(&env, "GIT_PUSH_CERT=%s", sha1_to_hex(push_cert_sha1));
- argv_array_pushf(&env, "GIT_PUSH_CERT_SIGNER=%s",
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s",
+ sha1_to_hex(push_cert_sha1));
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s",
sigcheck.signer ? sigcheck.signer : "");
- argv_array_pushf(&env, "GIT_PUSH_CERT_KEY=%s",
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s",
sigcheck.key ? sigcheck.key : "");
- argv_array_pushf(&env, "GIT_PUSH_CERT_STATUS=%c", sigcheck.result);
+ argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c",
+ sigcheck.result);
if (push_cert_nonce) {
- argv_array_pushf(&env, "GIT_PUSH_CERT_NONCE=%s", push_cert_nonce);
- argv_array_pushf(&env, "GIT_PUSH_CERT_NONCE_STATUS=%s", nonce_status);
+ argv_array_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE=%s",
+ push_cert_nonce);
+ argv_array_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE_STATUS=%s",
+ nonce_status);
if (nonce_status == NONCE_SLOP)
- argv_array_pushf(&env, "GIT_PUSH_CERT_NONCE_SLOP=%ld",
+ argv_array_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE_SLOP=%ld",
nonce_stamp_slop);
}
- proc->env = env.argv;
}
}
typedef int (*feed_fn)(void *, const char **, size_t *);
static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_state)
{
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
struct async muxer;
const char *argv[2];
int code;
@@ -516,13 +523,10 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
argv[1] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
- prepare_push_cert_sha1(&proc);
-
if (use_sideband) {
memset(&muxer, 0, sizeof(muxer));
muxer.proc = copy_to_sideband;
@@ -533,6 +537,8 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
proc.err = muxer.in;
}
+ prepare_push_cert_sha1(&proc);
+
code = start_command(&proc);
if (code) {
if (use_sideband)
@@ -540,6 +546,8 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
return code;
}
+ sigchain_push(SIGPIPE, SIG_IGN);
+
while (1) {
const char *buf;
size_t n;
@@ -551,6 +559,9 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
close(proc.in);
if (use_sideband)
finish_async(&muxer);
+
+ sigchain_pop(SIGPIPE);
+
return finish_command(&proc);
}
@@ -602,7 +613,7 @@ static int run_receive_hook(struct command *commands, const char *hook_name,
static int run_update_hook(struct command *cmd)
{
const char *argv[5];
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
int code;
argv[0] = find_hook("update");
@@ -614,7 +625,6 @@ static int run_update_hook(struct command *cmd)
argv[3] = sha1_to_hex(cmd->new_sha1);
argv[4] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
@@ -727,7 +737,6 @@ static const char *update(struct command *cmd, struct shallow_info *si)
const char *namespaced_name;
unsigned char *old_sha1 = cmd->old_sha1;
unsigned char *new_sha1 = cmd->new_sha1;
- struct ref_lock *lock;
/* only refs/... are allowed */
if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) {
@@ -828,19 +837,28 @@ static const char *update(struct command *cmd, struct shallow_info *si)
return NULL; /* good */
}
else {
+ struct strbuf err = STRBUF_INIT;
+ struct ref_transaction *transaction;
+
if (shallow_update && si->shallow_ref[cmd->index] &&
update_shallow_ref(cmd, si))
return "shallow error";
- lock = lock_any_ref_for_update(namespaced_name, old_sha1,
- 0, NULL);
- if (!lock) {
- rp_error("failed to lock %s", name);
- return "failed to lock";
- }
- if (write_ref_sha1(lock, new_sha1, "push")) {
- return "failed to write"; /* error() already called */
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, namespaced_name,
+ new_sha1, old_sha1, 0, 1, "push",
+ &err) ||
+ ref_transaction_commit(transaction, &err)) {
+ ref_transaction_free(transaction);
+
+ rp_error("%s", err.buf);
+ strbuf_release(&err);
+ return "failed to update ref";
}
+
+ ref_transaction_free(transaction);
+ strbuf_release(&err);
return NULL; /* good */
}
}
@@ -850,7 +868,7 @@ static void run_update_post_hook(struct command *commands)
struct command *cmd;
int argc;
const char **argv;
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
char *hook;
hook = find_hook("post-update");
@@ -873,7 +891,6 @@ static void run_update_post_hook(struct command *commands)
}
argv[argc] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
@@ -897,7 +914,7 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
- dst_name = resolve_ref_unsafe(buf.buf, sha1, 0, &flag);
+ dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
@@ -1058,7 +1075,7 @@ static void execute_commands(struct command *commands,
check_aliased_updates(commands);
free(head_name_to_free);
- head_name = head_name_to_free = resolve_refdup("HEAD", sha1, 0, NULL);
+ head_name = head_name_to_free = resolve_refdup("HEAD", 0, sha1, NULL);
checked_connectivity = 1;
for (cmd = commands; cmd; cmd = cmd->next) {
@@ -1219,11 +1236,10 @@ static const char *pack_lockfile;
static const char *unpack(int err_fd, struct shallow_info *si)
{
struct pack_header hdr;
- struct argv_array av = ARGV_ARRAY_INIT;
const char *hdr_err;
int status;
char hdr_arg[38];
- struct child_process child;
+ struct child_process child = CHILD_PROCESS_INIT;
int fsck_objects = (receive_fsck_objects >= 0
? receive_fsck_objects
: transfer_fsck_objects >= 0
@@ -1242,17 +1258,16 @@ static const char *unpack(int err_fd, struct shallow_info *si)
if (si->nr_ours || si->nr_theirs) {
alt_shallow_file = setup_temporary_shallow(si->shallow);
- argv_array_pushl(&av, "--shallow-file", alt_shallow_file, NULL);
+ argv_array_push(&child.args, "--shallow-file");
+ argv_array_push(&child.args, alt_shallow_file);
}
- memset(&child, 0, sizeof(child));
if (ntohl(hdr.hdr_entries) < unpack_limit) {
- argv_array_pushl(&av, "unpack-objects", hdr_arg, NULL);
+ argv_array_pushl(&child.args, "unpack-objects", hdr_arg, NULL);
if (quiet)
- argv_array_push(&av, "-q");
+ argv_array_push(&child.args, "-q");
if (fsck_objects)
- argv_array_push(&av, "--strict");
- child.argv = av.argv;
+ argv_array_push(&child.args, "--strict");
child.no_stdout = 1;
child.err = err_fd;
child.git_cmd = 1;
@@ -1267,13 +1282,12 @@ static const char *unpack(int err_fd, struct shallow_info *si)
if (gethostname(keep_arg + s, sizeof(keep_arg) - s))
strcpy(keep_arg + s, "localhost");
- argv_array_pushl(&av, "index-pack",
+ argv_array_pushl(&child.args, "index-pack",
"--stdin", hdr_arg, keep_arg, NULL);
if (fsck_objects)
- argv_array_push(&av, "--strict");
+ argv_array_push(&child.args, "--strict");
if (fix_thin)
- argv_array_push(&av, "--fix-thin");
- child.argv = av.argv;
+ argv_array_push(&child.args, "--fix-thin");
child.out = -1;
child.err = err_fd;
child.git_cmd = 1;