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Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r--builtin/receive-pack.c750
1 files changed, 647 insertions, 103 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 411e0b4d99..2d1f97e1ca 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -13,9 +13,9 @@
#include "remote.h"
#include "connect.h"
#include "string-list.h"
-#include "sha1-array.h"
+#include "oid-array.h"
#include "connected.h"
-#include "argv-array.h"
+#include "strvec.h"
#include "version.h"
#include "tag.h"
#include "gpg-interface.h"
@@ -27,6 +27,8 @@
#include "object-store.h"
#include "protocol.h"
#include "commit-reach.h"
+#include "worktree.h"
+#include "shallow.h"
static const char * const receive_pack_usage[] = {
N_("git receive-pack <git-dir>"),
@@ -52,9 +54,11 @@ static int receive_unpack_limit = -1;
static int transfer_unpack_limit = -1;
static int advertise_atomic_push = 1;
static int advertise_push_options;
+static int advertise_sid;
static int unpack_limit = 100;
static off_t max_input_size;
static int report_status;
+static int report_status_v2;
static int use_sideband;
static int use_atomic;
static int use_push_options;
@@ -95,6 +99,17 @@ static int keepalive_in_sec = 5;
static struct tmp_objdir *tmp_objdir;
+static struct proc_receive_ref {
+ unsigned int want_add:1,
+ want_delete:1,
+ want_modify:1,
+ negative_ref:1;
+ char *ref_prefix;
+ struct proc_receive_ref *next;
+} *proc_receive_ref;
+
+static void proc_receive_ref_append(const char *prefix);
+
static enum deny_action parse_deny_action(const char *var, const char *value)
{
if (value) {
@@ -227,6 +242,18 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (strcmp(var, "receive.procreceiverefs") == 0) {
+ if (!value)
+ return config_error_nonbool(var);
+ proc_receive_ref_append(value);
+ return 0;
+ }
+
+ if (strcmp(var, "transfer.advertisesid") == 0) {
+ advertise_sid = git_config_bool(var, value);
+ return 0;
+ }
+
return git_default_config(var, value, cb);
}
@@ -238,7 +265,7 @@ static void show_ref(const char *path, const struct object_id *oid)
struct strbuf cap = STRBUF_INIT;
strbuf_addstr(&cap,
- "report-status delete-refs side-band-64k quiet");
+ "report-status report-status-v2 delete-refs side-band-64k quiet");
if (advertise_atomic_push)
strbuf_addstr(&cap, " atomic");
if (prefer_ofs_delta)
@@ -247,6 +274,9 @@ static void show_ref(const char *path, const struct object_id *oid)
strbuf_addf(&cap, " push-cert=%s", push_cert_nonce);
if (advertise_push_options)
strbuf_addstr(&cap, " push-options");
+ if (advertise_sid)
+ strbuf_addf(&cap, " session-id=%s", trace2_session_id());
+ strbuf_addf(&cap, " object-format=%s", the_hash_algo->name);
strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized());
packet_write_fmt(1, "%s %s%c%s\n",
oid_to_hex(oid), path, 0, cap.buf);
@@ -299,7 +329,7 @@ static void write_head_info(void)
for_each_alternate_ref(show_one_alternate_ref, &seen);
oidset_clear(&seen);
if (!sent_capabilities)
- show_ref("capabilities^{}", &null_oid);
+ show_ref("capabilities^{}", null_oid());
advertise_shallow_grafts(1);
@@ -307,19 +337,93 @@ static void write_head_info(void)
packet_flush(1);
}
+#define RUN_PROC_RECEIVE_SCHEDULED 1
+#define RUN_PROC_RECEIVE_RETURNED 2
struct command {
struct command *next;
const char *error_string;
+ struct ref_push_report *report;
unsigned int skip_update:1,
- did_not_exist:1;
+ did_not_exist:1,
+ run_proc_receive:2;
int index;
struct object_id old_oid;
struct object_id new_oid;
char ref_name[FLEX_ARRAY]; /* more */
};
-static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2)));
-static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
+static void proc_receive_ref_append(const char *prefix)
+{
+ struct proc_receive_ref *ref_pattern;
+ char *p;
+ int len;
+
+ CALLOC_ARRAY(ref_pattern, 1);
+ p = strchr(prefix, ':');
+ if (p) {
+ while (prefix < p) {
+ if (*prefix == 'a')
+ ref_pattern->want_add = 1;
+ else if (*prefix == 'd')
+ ref_pattern->want_delete = 1;
+ else if (*prefix == 'm')
+ ref_pattern->want_modify = 1;
+ else if (*prefix == '!')
+ ref_pattern->negative_ref = 1;
+ prefix++;
+ }
+ prefix++;
+ } else {
+ ref_pattern->want_add = 1;
+ ref_pattern->want_delete = 1;
+ ref_pattern->want_modify = 1;
+ }
+ len = strlen(prefix);
+ while (len && prefix[len - 1] == '/')
+ len--;
+ ref_pattern->ref_prefix = xmemdupz(prefix, len);
+ if (!proc_receive_ref) {
+ proc_receive_ref = ref_pattern;
+ } else {
+ struct proc_receive_ref *end;
+
+ end = proc_receive_ref;
+ while (end->next)
+ end = end->next;
+ end->next = ref_pattern;
+ }
+}
+
+static int proc_receive_ref_matches(struct command *cmd)
+{
+ struct proc_receive_ref *p;
+
+ if (!proc_receive_ref)
+ return 0;
+
+ for (p = proc_receive_ref; p; p = p->next) {
+ const char *match = p->ref_prefix;
+ const char *remains;
+
+ if (!p->want_add && is_null_oid(&cmd->old_oid))
+ continue;
+ else if (!p->want_delete && is_null_oid(&cmd->new_oid))
+ continue;
+ else if (!p->want_modify &&
+ !is_null_oid(&cmd->old_oid) &&
+ !is_null_oid(&cmd->new_oid))
+ continue;
+
+ if (skip_prefix(cmd->ref_name, match, &remains) &&
+ (!*remains || *remains == '/')) {
+ if (!p->negative_ref)
+ return 1;
+ } else if (p->negative_ref) {
+ return 1;
+ }
+ }
+ return 0;
+}
static void report_message(const char *prefix, const char *err, va_list params)
{
@@ -338,6 +442,7 @@ static void report_message(const char *prefix, const char *err, va_list params)
xwrite(2, msg, sz);
}
+__attribute__((format (printf, 1, 2)))
static void rp_warning(const char *err, ...)
{
va_list params;
@@ -346,6 +451,7 @@ static void rp_warning(const char *err, ...)
va_end(params);
}
+__attribute__((format (printf, 1, 2)))
static void rp_error(const char *err, ...)
{
va_list params;
@@ -417,7 +523,7 @@ static int copy_to_sideband(int in, int out, void *arg)
return 0;
}
-static void hmac(unsigned char *out,
+static void hmac_hash(unsigned char *out,
const char *key_in, size_t key_len,
const char *text, size_t text_len)
{
@@ -462,10 +568,10 @@ static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp)
unsigned char hash[GIT_MAX_RAWSZ];
strbuf_addf(&buf, "%s:%"PRItime, path, stamp);
- hmac(hash, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));
+ hmac_hash(hash, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));
strbuf_release(&buf);
- /* RFC 2104 5. HMAC-SHA1-80 */
+ /* RFC 2104 5. HMAC-SHA1 or HMAC-SHA256 */
strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, (int)the_hash_algo->hexsz, hash_to_hex(hash));
return strbuf_detach(&buf, NULL);
}
@@ -498,12 +604,27 @@ static char *find_header(const char *msg, size_t len, const char *key,
return NULL;
}
+/*
+ * Return zero if a and b are equal up to n bytes and nonzero if they are not.
+ * This operation is guaranteed to run in constant time to avoid leaking data.
+ */
+static int constant_memequal(const char *a, const char *b, size_t n)
+{
+ int res = 0;
+ size_t i;
+
+ for (i = 0; i < n; i++)
+ res |= a[i] ^ b[i];
+ return res;
+}
+
static const char *check_nonce(const char *buf, size_t len)
{
char *nonce = find_header(buf, len, "nonce", NULL);
timestamp_t stamp, ostamp;
char *bohmac, *expect = NULL;
const char *retval = NONCE_BAD;
+ size_t noncelen;
if (!nonce) {
retval = NONCE_MISSING;
@@ -545,8 +666,14 @@ static const char *check_nonce(const char *buf, size_t len)
goto leave;
}
+ noncelen = strlen(nonce);
expect = prepare_push_cert_nonce(service_dir, stamp);
- if (strcmp(expect, nonce)) {
+ if (noncelen != strlen(expect)) {
+ /* This is not even the right size. */
+ retval = NONCE_BAD;
+ goto leave;
+ }
+ if (constant_memequal(expect, nonce, noncelen)) {
/* Not what we would have signed earlier */
retval = NONCE_BAD;
goto leave;
@@ -636,38 +763,39 @@ static void prepare_push_cert_sha1(struct child_process *proc)
memset(&sigcheck, '\0', sizeof(sigcheck));
- bogs = parse_signature(push_cert.buf, push_cert.len);
+ bogs = parse_signed_buffer(push_cert.buf, push_cert.len);
check_signature(push_cert.buf, bogs, push_cert.buf + bogs,
push_cert.len - bogs, &sigcheck);
nonce_status = check_nonce(push_cert.buf, bogs);
}
if (!is_null_oid(&push_cert_oid)) {
- argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s",
- oid_to_hex(&push_cert_oid));
- argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s",
- sigcheck.signer ? sigcheck.signer : "");
- argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s",
- sigcheck.key ? sigcheck.key : "");
- argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c",
- sigcheck.result);
+ strvec_pushf(&proc->env_array, "GIT_PUSH_CERT=%s",
+ oid_to_hex(&push_cert_oid));
+ strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s",
+ sigcheck.signer ? sigcheck.signer : "");
+ strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s",
+ sigcheck.key ? sigcheck.key : "");
+ strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c",
+ sigcheck.result);
if (push_cert_nonce) {
- 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);
+ strvec_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE=%s",
+ push_cert_nonce);
+ strvec_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE_STATUS=%s",
+ nonce_status);
if (nonce_status == NONCE_SLOP)
- argv_array_pushf(&proc->env_array,
- "GIT_PUSH_CERT_NONCE_SLOP=%ld",
- nonce_stamp_slop);
+ strvec_pushf(&proc->env_array,
+ "GIT_PUSH_CERT_NONCE_SLOP=%ld",
+ nonce_stamp_slop);
}
}
}
struct receive_hook_feed_state {
struct command *cmd;
+ struct ref_push_report *report;
int skip_broken;
struct strbuf buf;
const struct string_list *push_options;
@@ -696,16 +824,16 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed,
if (feed_state->push_options) {
int i;
for (i = 0; i < feed_state->push_options->nr; i++)
- argv_array_pushf(&proc.env_array,
- "GIT_PUSH_OPTION_%d=%s", i,
- feed_state->push_options->items[i].string);
- argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d",
- feed_state->push_options->nr);
+ strvec_pushf(&proc.env_array,
+ "GIT_PUSH_OPTION_%d=%s", i,
+ feed_state->push_options->items[i].string);
+ strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d",
+ feed_state->push_options->nr);
} else
- argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT");
+ strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT");
if (tmp_objdir)
- argv_array_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir));
+ strvec_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir));
if (use_sideband) {
memset(&muxer, 0, sizeof(muxer));
@@ -755,11 +883,31 @@ static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep)
cmd = cmd->next;
if (!cmd)
return -1; /* EOF */
+ if (!bufp)
+ return 0; /* OK, can feed something. */
strbuf_reset(&state->buf);
- strbuf_addf(&state->buf, "%s %s %s\n",
- oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid),
- cmd->ref_name);
- state->cmd = cmd->next;
+ if (!state->report)
+ state->report = cmd->report;
+ if (state->report) {
+ struct object_id *old_oid;
+ struct object_id *new_oid;
+ const char *ref_name;
+
+ old_oid = state->report->old_oid ? state->report->old_oid : &cmd->old_oid;
+ new_oid = state->report->new_oid ? state->report->new_oid : &cmd->new_oid;
+ ref_name = state->report->ref_name ? state->report->ref_name : cmd->ref_name;
+ strbuf_addf(&state->buf, "%s %s %s\n",
+ oid_to_hex(old_oid), oid_to_hex(new_oid),
+ ref_name);
+ state->report = state->report->next;
+ if (!state->report)
+ state->cmd = cmd->next;
+ } else {
+ strbuf_addf(&state->buf, "%s %s %s\n",
+ oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid),
+ cmd->ref_name);
+ state->cmd = cmd->next;
+ }
if (bufp) {
*bufp = state->buf.buf;
*sizep = state->buf.len;
@@ -778,6 +926,7 @@ static int run_receive_hook(struct command *commands,
strbuf_init(&state.buf, 0);
state.cmd = commands;
state.skip_broken = skip_broken;
+ state.report = NULL;
if (feed_receive_hook(&state, NULL, NULL))
return 0;
state.cmd = commands;
@@ -816,14 +965,310 @@ static int run_update_hook(struct command *cmd)
return finish_command(&proc);
}
-static int is_ref_checked_out(const char *ref)
+static struct command *find_command_by_refname(struct command *list,
+ const char *refname)
{
- if (is_bare_repository())
- return 0;
+ for (; list; list = list->next)
+ if (!strcmp(list->ref_name, refname))
+ return list;
+ return NULL;
+}
- if (!head_name)
- return 0;
- return !strcmp(head_name, ref);
+static int read_proc_receive_report(struct packet_reader *reader,
+ struct command *commands,
+ struct strbuf *errmsg)
+{
+ struct command *cmd;
+ struct command *hint = NULL;
+ struct ref_push_report *report = NULL;
+ int new_report = 0;
+ int code = 0;
+ int once = 0;
+ int response = 0;
+
+ for (;;) {
+ struct object_id old_oid, new_oid;
+ const char *head;
+ const char *refname;
+ char *p;
+ enum packet_read_status status;
+
+ status = packet_reader_read(reader);
+ if (status != PACKET_READ_NORMAL) {
+ /* Check whether proc-receive exited abnormally */
+ if (status == PACKET_READ_EOF && !response) {
+ strbuf_addstr(errmsg, "proc-receive exited abnormally");
+ return -1;
+ }
+ break;
+ }
+ response++;
+
+ head = reader->line;
+ p = strchr(head, ' ');
+ if (!p) {
+ strbuf_addf(errmsg, "proc-receive reported incomplete status line: '%s'\n", head);
+ code = -1;
+ continue;
+ }
+ *p++ = '\0';
+ if (!strcmp(head, "option")) {
+ const char *key, *val;
+
+ if (!hint || !(report || new_report)) {
+ if (!once++)
+ strbuf_addstr(errmsg, "proc-receive reported 'option' without a matching 'ok/ng' directive\n");
+ code = -1;
+ continue;
+ }
+ if (new_report) {
+ if (!hint->report) {
+ CALLOC_ARRAY(hint->report, 1);
+ report = hint->report;
+ } else {
+ report = hint->report;
+ while (report->next)
+ report = report->next;
+ report->next = xcalloc(1, sizeof(struct ref_push_report));
+ report = report->next;
+ }
+ new_report = 0;
+ }
+ key = p;
+ p = strchr(key, ' ');
+ if (p)
+ *p++ = '\0';
+ val = p;
+ if (!strcmp(key, "refname"))
+ report->ref_name = xstrdup_or_null(val);
+ else if (!strcmp(key, "old-oid") && val &&
+ !parse_oid_hex(val, &old_oid, &val))
+ report->old_oid = oiddup(&old_oid);
+ else if (!strcmp(key, "new-oid") && val &&
+ !parse_oid_hex(val, &new_oid, &val))
+ report->new_oid = oiddup(&new_oid);
+ else if (!strcmp(key, "forced-update"))
+ report->forced_update = 1;
+ else if (!strcmp(key, "fall-through"))
+ /* Fall through, let 'receive-pack' to execute it. */
+ hint->run_proc_receive = 0;
+ continue;
+ }
+
+ report = NULL;
+ new_report = 0;
+ refname = p;
+ p = strchr(refname, ' ');
+ if (p)
+ *p++ = '\0';
+ if (strcmp(head, "ok") && strcmp(head, "ng")) {
+ strbuf_addf(errmsg, "proc-receive reported bad status '%s' on ref '%s'\n",
+ head, refname);
+ code = -1;
+ continue;
+ }
+
+ /* first try searching at our hint, falling back to all refs */
+ if (hint)
+ hint = find_command_by_refname(hint, refname);
+ if (!hint)
+ hint = find_command_by_refname(commands, refname);
+ if (!hint) {
+ strbuf_addf(errmsg, "proc-receive reported status on unknown ref: %s\n",
+ refname);
+ code = -1;
+ continue;
+ }
+ if (!hint->run_proc_receive) {
+ strbuf_addf(errmsg, "proc-receive reported status on unexpected ref: %s\n",
+ refname);
+ code = -1;
+ continue;
+ }
+ hint->run_proc_receive |= RUN_PROC_RECEIVE_RETURNED;
+ if (!strcmp(head, "ng")) {
+ if (p)
+ hint->error_string = xstrdup(p);
+ else
+ hint->error_string = "failed";
+ code = -1;
+ continue;
+ }
+ new_report = 1;
+ }
+
+ for (cmd = commands; cmd; cmd = cmd->next)
+ if (cmd->run_proc_receive && !cmd->error_string &&
+ !(cmd->run_proc_receive & RUN_PROC_RECEIVE_RETURNED)) {
+ cmd->error_string = "proc-receive failed to report status";
+ code = -1;
+ }
+ return code;
+}
+
+static int run_proc_receive_hook(struct command *commands,
+ const struct string_list *push_options)
+{
+ struct child_process proc = CHILD_PROCESS_INIT;
+ struct async muxer;
+ struct command *cmd;
+ const char *argv[2];
+ struct packet_reader reader;
+ struct strbuf cap = STRBUF_INIT;
+ struct strbuf errmsg = STRBUF_INIT;
+ int hook_use_push_options = 0;
+ int version = 0;
+ int code;
+
+ argv[0] = find_hook("proc-receive");
+ if (!argv[0]) {
+ rp_error("cannot find hook 'proc-receive'");
+ return -1;
+ }
+ argv[1] = NULL;
+
+ proc.argv = argv;
+ proc.in = -1;
+ proc.out = -1;
+ proc.trace2_hook_name = "proc-receive";
+
+ 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;
+ } else {
+ proc.err = 0;
+ }
+
+ code = start_command(&proc);
+ if (code) {
+ if (use_sideband)
+ finish_async(&muxer);
+ return code;
+ }
+
+ sigchain_push(SIGPIPE, SIG_IGN);
+
+ /* Version negotiaton */
+ packet_reader_init(&reader, proc.out, NULL, 0,
+ PACKET_READ_CHOMP_NEWLINE |
+ PACKET_READ_GENTLE_ON_EOF);
+ if (use_atomic)
+ strbuf_addstr(&cap, " atomic");
+ if (use_push_options)
+ strbuf_addstr(&cap, " push-options");
+ if (cap.len) {
+ code = packet_write_fmt_gently(proc.in, "version=1%c%s\n", '\0', cap.buf + 1);
+ strbuf_release(&cap);
+ } else {
+ code = packet_write_fmt_gently(proc.in, "version=1\n");
+ }
+ if (!code)
+ code = packet_flush_gently(proc.in);
+
+ if (!code)
+ for (;;) {
+ int linelen;
+ enum packet_read_status status;
+
+ status = packet_reader_read(&reader);
+ if (status != PACKET_READ_NORMAL) {
+ /* Check whether proc-receive exited abnormally */
+ if (status == PACKET_READ_EOF)
+ code = -1;
+ break;
+ }
+
+ if (reader.pktlen > 8 && starts_with(reader.line, "version=")) {
+ version = atoi(reader.line + 8);
+ linelen = strlen(reader.line);
+ if (linelen < reader.pktlen) {
+ const char *feature_list = reader.line + linelen + 1;
+ if (parse_feature_request(feature_list, "push-options"))
+ hook_use_push_options = 1;
+ }
+ }
+ }
+
+ if (code) {
+ strbuf_addstr(&errmsg, "fail to negotiate version with proc-receive hook");
+ goto cleanup;
+ }
+
+ switch (version) {
+ case 0:
+ /* fallthrough */
+ case 1:
+ break;
+ default:
+ strbuf_addf(&errmsg, "proc-receive version '%d' is not supported",
+ version);
+ code = -1;
+ goto cleanup;
+ }
+
+ /* Send commands */
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (!cmd->run_proc_receive || cmd->skip_update || cmd->error_string)
+ continue;
+ code = packet_write_fmt_gently(proc.in, "%s %s %s",
+ oid_to_hex(&cmd->old_oid),
+ oid_to_hex(&cmd->new_oid),
+ cmd->ref_name);
+ if (code)
+ break;
+ }
+ if (!code)
+ code = packet_flush_gently(proc.in);
+ if (code) {
+ strbuf_addstr(&errmsg, "fail to write commands to proc-receive hook");
+ goto cleanup;
+ }
+
+ /* Send push options */
+ if (hook_use_push_options) {
+ struct string_list_item *item;
+
+ for_each_string_list_item(item, push_options) {
+ code = packet_write_fmt_gently(proc.in, "%s", item->string);
+ if (code)
+ break;
+ }
+ if (!code)
+ code = packet_flush_gently(proc.in);
+ if (code) {
+ strbuf_addstr(&errmsg,
+ "fail to write push-options to proc-receive hook");
+ goto cleanup;
+ }
+ }
+
+ /* Read result from proc-receive */
+ code = read_proc_receive_report(&reader, commands, &errmsg);
+
+cleanup:
+ close(proc.in);
+ close(proc.out);
+ if (use_sideband)
+ finish_async(&muxer);
+ if (finish_command(&proc))
+ code = -1;
+ if (errmsg.len >0) {
+ char *p = errmsg.buf;
+
+ p += errmsg.len - 1;
+ if (*p == '\n')
+ *p = '\0';
+ rp_error("%s", errmsg.buf);
+ strbuf_release(&errmsg);
+ }
+ sigchain_pop(SIGPIPE);
+
+ return code;
}
static char *refuse_unconfigured_deny_msg =
@@ -864,7 +1309,7 @@ static void refuse_unconfigured_deny_delete_current(void)
static int command_singleton_iterator(void *cb_data, struct object_id *oid);
static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
{
- struct lock_file shallow_lock = LOCK_INIT;
+ struct shallow_lock shallow_lock = SHALLOW_LOCK_INIT;
struct oid_array extra = OID_ARRAY_INIT;
struct check_connected_options opt = CHECK_CONNECTED_INIT;
uint32_t mask = 1 << (cmd->index % 32);
@@ -881,12 +1326,12 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
opt.env = tmp_objdir_env(tmp_objdir);
setup_alternate_shallow(&shallow_lock, &opt.shallow_file, &extra);
if (check_connected(command_singleton_iterator, cmd, &opt)) {
- rollback_lock_file(&shallow_lock);
+ rollback_shallow_file(the_repository, &shallow_lock);
oid_array_clear(&extra);
return -1;
}
- commit_lock_file(&shallow_lock);
+ commit_shallow_file(the_repository, &shallow_lock);
/*
* Make sure setup_alternate_shallow() for the next ref does
@@ -917,7 +1362,7 @@ static int head_has_history(void)
}
static const char *push_to_deploy(unsigned char *sha1,
- struct argv_array *env,
+ struct strvec *env,
const char *work_tree)
{
const char *update_refresh[] = {
@@ -936,7 +1381,7 @@ static const char *push_to_deploy(unsigned char *sha1,
struct child_process child = CHILD_PROCESS_INIT;
child.argv = update_refresh;
- child.env = env->argv;
+ child.env = env->v;
child.dir = work_tree;
child.no_stdin = 1;
child.stdout_to_stderr = 1;
@@ -947,7 +1392,7 @@ static const char *push_to_deploy(unsigned char *sha1,
/* run_command() does not clean up completely; reinitialize */
child_process_init(&child);
child.argv = diff_files;
- child.env = env->argv;
+ child.env = env->v;
child.dir = work_tree;
child.no_stdin = 1;
child.stdout_to_stderr = 1;
@@ -960,7 +1405,7 @@ static const char *push_to_deploy(unsigned char *sha1,
child_process_init(&child);
child.argv = diff_index;
- child.env = env->argv;
+ child.env = env->v;
child.no_stdin = 1;
child.no_stdout = 1;
child.stdout_to_stderr = 0;
@@ -971,7 +1416,7 @@ static const char *push_to_deploy(unsigned char *sha1,
read_tree[3] = hash_to_hex(sha1);
child_process_init(&child);
child.argv = read_tree;
- child.env = env->argv;
+ child.env = env->v;
child.dir = work_tree;
child.no_stdin = 1;
child.no_stdout = 1;
@@ -986,34 +1431,44 @@ static const char *push_to_deploy(unsigned char *sha1,
static const char *push_to_checkout_hook = "push-to-checkout";
static const char *push_to_checkout(unsigned char *hash,
- struct argv_array *env,
+ struct strvec *env,
const char *work_tree)
{
- argv_array_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree));
- if (run_hook_le(env->argv, push_to_checkout_hook,
+ strvec_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree));
+ if (run_hook_le(env->v, push_to_checkout_hook,
hash_to_hex(hash), NULL))
return "push-to-checkout hook declined";
else
return NULL;
}
-static const char *update_worktree(unsigned char *sha1)
+static const char *update_worktree(unsigned char *sha1, const struct worktree *worktree)
{
- const char *retval;
- const char *work_tree = git_work_tree_cfg ? git_work_tree_cfg : "..";
- struct argv_array env = ARGV_ARRAY_INIT;
+ const char *retval, *work_tree, *git_dir = NULL;
+ struct strvec env = STRVEC_INIT;
+
+ if (worktree && worktree->path)
+ work_tree = worktree->path;
+ else if (git_work_tree_cfg)
+ work_tree = git_work_tree_cfg;
+ else
+ work_tree = "..";
if (is_bare_repository())
return "denyCurrentBranch = updateInstead needs a worktree";
+ if (worktree)
+ git_dir = get_worktree_git_dir(worktree);
+ if (!git_dir)
+ git_dir = get_git_dir();
- argv_array_pushf(&env, "GIT_DIR=%s", absolute_path(get_git_dir()));
+ strvec_pushf(&env, "GIT_DIR=%s", absolute_path(git_dir));
if (!find_hook(push_to_checkout_hook))
retval = push_to_deploy(sha1, &env, work_tree);
else
retval = push_to_checkout(sha1, &env, work_tree);
- argv_array_clear(&env);
+ strvec_clear(&env);
return retval;
}
@@ -1026,6 +1481,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
struct object_id *old_oid = &cmd->old_oid;
struct object_id *new_oid = &cmd->new_oid;
int do_update_worktree = 0;
+ const struct worktree *worktree = is_bare_repository() ? NULL : find_shared_symref("HEAD", name);
/* only refs/... are allowed */
if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) {
@@ -1037,7 +1493,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
free(namespaced_name);
namespaced_name = strbuf_detach(&namespaced_name_buf, NULL);
- if (is_ref_checked_out(namespaced_name)) {
+ if (worktree) {
switch (deny_current_branch) {
case DENY_IGNORE:
break;
@@ -1069,7 +1525,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
return "deletion prohibited";
}
- if (head_name && !strcmp(namespaced_name, head_name)) {
+ if (worktree || (head_name && !strcmp(namespaced_name, head_name))) {
switch (deny_delete_current) {
case DENY_IGNORE:
break;
@@ -1118,7 +1574,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
}
if (do_update_worktree) {
- ret = update_worktree(new_oid->hash);
+ ret = update_worktree(new_oid->hash, find_shared_symref("HEAD", name));
if (ret)
return ret;
}
@@ -1180,11 +1636,11 @@ static void run_update_post_hook(struct command *commands)
for (cmd = commands; cmd; cmd = cmd->next) {
if (cmd->error_string || cmd->did_not_exist)
continue;
- if (!proc.args.argc)
- argv_array_push(&proc.args, hook);
- argv_array_push(&proc.args, cmd->ref_name);
+ if (!proc.args.nr)
+ strvec_push(&proc.args, hook);
+ strvec_push(&proc.args, cmd->ref_name);
}
- if (!proc.args.argc)
+ if (!proc.args.nr)
return;
proc.no_stdin = 1;
@@ -1390,7 +1846,7 @@ static void execute_commands_non_atomic(struct command *commands,
struct strbuf err = STRBUF_INIT;
for (cmd = commands; cmd; cmd = cmd->next) {
- if (!should_process_cmd(cmd))
+ if (!should_process_cmd(cmd) || cmd->run_proc_receive)
continue;
transaction = ref_transaction_begin(&err);
@@ -1430,7 +1886,7 @@ static void execute_commands_atomic(struct command *commands,
}
for (cmd = commands; cmd; cmd = cmd->next) {
- if (!should_process_cmd(cmd))
+ if (!should_process_cmd(cmd) || cmd->run_proc_receive)
continue;
cmd->error_string = update(cmd, si);
@@ -1466,6 +1922,7 @@ static void execute_commands(struct command *commands,
struct iterate_data data;
struct async muxer;
int err_fd = 0;
+ int run_proc_receive = 0;
if (unpacker_error) {
for (cmd = commands; cmd; cmd = cmd->next)
@@ -1495,6 +1952,22 @@ static void execute_commands(struct command *commands,
reject_updates_to_hidden(commands);
+ /*
+ * Try to find commands that have special prefix in their reference names,
+ * and mark them to run an external "proc-receive" hook later.
+ */
+ if (proc_receive_ref) {
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (!should_process_cmd(cmd))
+ continue;
+
+ if (proc_receive_ref_matches(cmd)) {
+ cmd->run_proc_receive = RUN_PROC_RECEIVE_SCHEDULED;
+ run_proc_receive = 1;
+ }
+ }
+ }
+
if (run_receive_hook(commands, "pre-receive", 0, push_options)) {
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string)
@@ -1521,6 +1994,14 @@ static void execute_commands(struct command *commands,
free(head_name_to_free);
head_name = head_name_to_free = resolve_refdup("HEAD", 0, NULL, NULL);
+ if (run_proc_receive &&
+ run_proc_receive_hook(commands, push_options))
+ for (cmd = commands; cmd; cmd = cmd->next)
+ if (!cmd->error_string &&
+ !(cmd->run_proc_receive & RUN_PROC_RECEIVE_RETURNED) &&
+ (cmd->run_proc_receive || use_atomic))
+ cmd->error_string = "fail to run proc-receive hook";
+
if (use_atomic)
execute_commands_atomic(commands, si);
else
@@ -1568,7 +2049,7 @@ static void queue_commands_from_cert(struct command **tail,
die("malformed push certificate %.*s", 100, push_cert->buf);
else
boc += 2;
- eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len);
+ eoc = push_cert->buf + parse_signed_buffer(push_cert->buf, push_cert->len);
while (boc < eoc) {
const char *eol = memchr(boc, '\n', eoc - boc);
@@ -1600,8 +2081,13 @@ static struct command *read_head_info(struct packet_reader *reader,
linelen = strlen(reader->line);
if (linelen < reader->pktlen) {
const char *feature_list = reader->line + linelen + 1;
+ const char *hash = NULL;
+ const char *client_sid;
+ int len = 0;
if (parse_feature_request(feature_list, "report-status"))
report_status = 1;
+ if (parse_feature_request(feature_list, "report-status-v2"))
+ report_status_v2 = 1;
if (parse_feature_request(feature_list, "side-band-64k"))
use_sideband = LARGE_PACKET_MAX;
if (parse_feature_request(feature_list, "quiet"))
@@ -1612,6 +2098,19 @@ static struct command *read_head_info(struct packet_reader *reader,
if (advertise_push_options
&& parse_feature_request(feature_list, "push-options"))
use_push_options = 1;
+ hash = parse_feature_value(feature_list, "object-format", &len, NULL);
+ if (!hash) {
+ hash = hash_algos[GIT_HASH_SHA1].name;
+ len = strlen(hash);
+ }
+ if (xstrncmpz(the_hash_algo->name, hash, len))
+ die("error: unsupported object format '%s'", hash);
+ client_sid = parse_feature_value(feature_list, "session-id", &len, NULL);
+ if (client_sid) {
+ char *sid = xstrndup(client_sid, len);
+ trace2_data_string("transfer", NULL, "client-sid", client_sid);
+ free(sid);
+ }
}
if (!strcmp(reader->line, "push-cert")) {
@@ -1681,10 +2180,10 @@ static const char *parse_pack_header(struct pack_header *hdr)
static const char *pack_lockfile;
-static void push_header_arg(struct argv_array *args, struct pack_header *hdr)
+static void push_header_arg(struct strvec *args, struct pack_header *hdr)
{
- argv_array_pushf(args, "--pack_header=%"PRIu32",%"PRIu32,
- ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries));
+ strvec_pushf(args, "--pack_header=%"PRIu32",%"PRIu32,
+ ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries));
}
static const char *unpack(int err_fd, struct shallow_info *si)
@@ -1708,8 +2207,8 @@ 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_push(&child.args, "--shallow-file");
- argv_array_push(&child.args, alt_shallow_file);
+ strvec_push(&child.args, "--shallow-file");
+ strvec_push(&child.args, alt_shallow_file);
}
tmp_objdir = tmp_objdir_create();
@@ -1728,16 +2227,16 @@ static const char *unpack(int err_fd, struct shallow_info *si)
tmp_objdir_add_as_alternate(tmp_objdir);
if (ntohl(hdr.hdr_entries) < unpack_limit) {
- argv_array_push(&child.args, "unpack-objects");
+ strvec_push(&child.args, "unpack-objects");
push_header_arg(&child.args, &hdr);
if (quiet)
- argv_array_push(&child.args, "-q");
+ strvec_push(&child.args, "-q");
if (fsck_objects)
- argv_array_pushf(&child.args, "--strict%s",
- fsck_msg_types.buf);
+ strvec_pushf(&child.args, "--strict%s",
+ fsck_msg_types.buf);
if (max_input_size)
- argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX,
- (uintmax_t)max_input_size);
+ strvec_pushf(&child.args, "--max-input-size=%"PRIuMAX,
+ (uintmax_t)max_input_size);
child.no_stdout = 1;
child.err = err_fd;
child.git_cmd = 1;
@@ -1747,35 +2246,35 @@ static const char *unpack(int err_fd, struct shallow_info *si)
} else {
char hostname[HOST_NAME_MAX + 1];
- argv_array_pushl(&child.args, "index-pack", "--stdin", NULL);
+ strvec_pushl(&child.args, "index-pack", "--stdin", NULL);
push_header_arg(&child.args, &hdr);
if (xgethostname(hostname, sizeof(hostname)))
xsnprintf(hostname, sizeof(hostname), "localhost");
- argv_array_pushf(&child.args,
- "--keep=receive-pack %"PRIuMAX" on %s",
- (uintmax_t)getpid(),
- hostname);
+ strvec_pushf(&child.args,
+ "--keep=receive-pack %"PRIuMAX" on %s",
+ (uintmax_t)getpid(),
+ hostname);
if (!quiet && err_fd)
- argv_array_push(&child.args, "--show-resolving-progress");
+ strvec_push(&child.args, "--show-resolving-progress");
if (use_sideband)
- argv_array_push(&child.args, "--report-end-of-input");
+ strvec_push(&child.args, "--report-end-of-input");
if (fsck_objects)
- argv_array_pushf(&child.args, "--strict%s",
- fsck_msg_types.buf);
+ strvec_pushf(&child.args, "--strict%s",
+ fsck_msg_types.buf);
if (!reject_thin)
- argv_array_push(&child.args, "--fix-thin");
+ strvec_push(&child.args, "--fix-thin");
if (max_input_size)
- argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX,
- (uintmax_t)max_input_size);
+ strvec_pushf(&child.args, "--max-input-size=%"PRIuMAX,
+ (uintmax_t)max_input_size);
child.out = -1;
child.err = err_fd;
child.git_cmd = 1;
status = start_command(&child);
if (status)
return "index-pack fork failed";
- pack_lockfile = index_pack_lockfile(child.out);
+ pack_lockfile = index_pack_lockfile(child.out, NULL);
close(child.out);
status = finish_command(&child);
if (status)
@@ -1813,11 +2312,9 @@ static void prepare_shallow_update(struct shallow_info *si)
ALLOC_ARRAY(si->used_shallow, si->shallow->nr);
assign_shallow_commits_to_refs(si, si->used_shallow, NULL);
- si->need_reachability_test =
- xcalloc(si->shallow->nr, sizeof(*si->need_reachability_test));
- si->reachable =
- xcalloc(si->shallow->nr, sizeof(*si->reachable));
- si->shallow_ref = xcalloc(si->ref->nr, sizeof(*si->shallow_ref));
+ CALLOC_ARRAY(si->need_reachability_test, si->shallow->nr);
+ CALLOC_ARRAY(si->reachable, si->shallow->nr);
+ CALLOC_ARRAY(si->shallow_ref, si->ref->nr);
for (i = 0; i < si->nr_ours; i++)
si->need_reachability_test[si->ours[i]] = 1;
@@ -1913,6 +2410,51 @@ static void report(struct command *commands, const char *unpack_status)
strbuf_release(&buf);
}
+static void report_v2(struct command *commands, const char *unpack_status)
+{
+ struct command *cmd;
+ struct strbuf buf = STRBUF_INIT;
+ struct ref_push_report *report;
+
+ packet_buf_write(&buf, "unpack %s\n",
+ unpack_status ? unpack_status : "ok");
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ int count = 0;
+
+ if (cmd->error_string) {
+ packet_buf_write(&buf, "ng %s %s\n",
+ cmd->ref_name,
+ cmd->error_string);
+ continue;
+ }
+ packet_buf_write(&buf, "ok %s\n",
+ cmd->ref_name);
+ for (report = cmd->report; report; report = report->next) {
+ if (count++ > 0)
+ packet_buf_write(&buf, "ok %s\n",
+ cmd->ref_name);
+ if (report->ref_name)
+ packet_buf_write(&buf, "option refname %s\n",
+ report->ref_name);
+ if (report->old_oid)
+ packet_buf_write(&buf, "option old-oid %s\n",
+ oid_to_hex(report->old_oid));
+ if (report->new_oid)
+ packet_buf_write(&buf, "option new-oid %s\n",
+ oid_to_hex(report->new_oid));
+ if (report->forced_update)
+ packet_buf_write(&buf, "option forced-update\n");
+ }
+ }
+ packet_buf_flush(&buf);
+
+ if (use_sideband)
+ send_sideband(1, 1, buf.buf, buf.len, use_sideband);
+ else
+ write_or_die(1, buf.buf, buf.len);
+ strbuf_release(&buf);
+}
+
static int delete_only(struct command *commands)
{
struct command *cmd;
@@ -2021,7 +2563,9 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
&push_options);
if (pack_lockfile)
unlink_or_warn(pack_lockfile);
- if (report_status)
+ if (report_status_v2)
+ report_v2(commands, unpack_status);
+ else if (report_status)
report(commands, unpack_status);
run_receive_hook(commands, "post-receive", 1,
&push_options);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 21:01:39 +0000