#include "builtin.h"
+#include "repository.h"
+#include "config.h"
#include "lockfile.h"
#include "pack.h"
#include "refs.h"
#include "pkt-line.h"
#include "sideband.h"
#include "run-command.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
#include "commit.h"
#include "object.h"
#include "remote.h"
#include "gpg-interface.h"
#include "sigchain.h"
#include "fsck.h"
+#include "tmp-objdir.h"
+#include "oidset.h"
+#include "packfile.h"
+#include "object-store.h"
+#include "protocol.h"
static const char * const receive_pack_usage[] = {
N_("git receive-pack <git-dir>"),
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 unpack_limit = 100;
+static off_t max_input_size;
static int report_status;
static int use_sideband;
static int use_atomic;
+static int use_push_options;
static int quiet;
static int prefer_ofs_delta = 1;
static int auto_update_server_info;
static int shallow_update;
static const char *alt_shallow_file;
static struct strbuf push_cert = STRBUF_INIT;
-static unsigned char push_cert_sha1[20];
+static struct object_id push_cert_oid;
static struct signature_check sigcheck;
static const char *push_cert_nonce;
static const char *cert_nonce_seed;
static const char *NONCE_SLOP = "SLOP";
static const char *nonce_status;
static long nonce_stamp_slop;
-static unsigned long nonce_stamp_slop_limit;
+static timestamp_t 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 struct tmp_objdir *tmp_objdir;
+
static enum deny_action parse_deny_action(const char *var, const char *value)
{
if (value) {
return 0;
}
+ if (strcmp(var, "receive.advertisepushoptions") == 0) {
+ advertise_push_options = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (strcmp(var, "receive.keepalive") == 0) {
+ keepalive_in_sec = git_config_int(var, value);
+ return 0;
+ }
+
+ if (strcmp(var, "receive.maxinputsize") == 0) {
+ max_input_size = git_config_int64(var, value);
+ return 0;
+ }
+
return git_default_config(var, value, cb);
}
-static void show_ref(const char *path, const unsigned char *sha1)
+static void show_ref(const char *path, const struct object_id *oid)
{
if (sent_capabilities) {
- packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
+ packet_write_fmt(1, "%s %s\n", oid_to_hex(oid), path);
} else {
struct strbuf cap = STRBUF_INIT;
strbuf_addstr(&cap, " ofs-delta");
if (push_cert_nonce)
strbuf_addf(&cap, " push-cert=%s", push_cert_nonce);
+ if (advertise_push_options)
+ strbuf_addstr(&cap, " push-options");
strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized());
- packet_write(1, "%s %s%c%s\n",
- sha1_to_hex(sha1), path, 0, cap.buf);
+ packet_write_fmt(1, "%s %s%c%s\n",
+ oid_to_hex(oid), path, 0, cap.buf);
strbuf_release(&cap);
sent_capabilities = 1;
}
}
static int show_ref_cb(const char *path_full, const struct object_id *oid,
- int flag, void *unused)
+ int flag, void *data)
{
+ struct oidset *seen = data;
const char *path = strip_namespace(path_full);
if (ref_is_hidden(path, path_full))
/*
* Advertise refs outside our current namespace as ".have"
* refs, so that the client can use them to minimize data
- * transfer but will otherwise ignore them. This happens to
- * cover ".have" that are thrown in by add_one_alternate_ref()
- * to mark histories that are complete in our alternates as
- * well.
+ * transfer but will otherwise ignore them.
*/
- if (!path)
+ if (!path) {
+ if (oidset_insert(seen, oid))
+ return 0;
path = ".have";
- show_ref(path, oid->hash);
+ } else {
+ oidset_insert(seen, oid);
+ }
+ show_ref(path, oid);
return 0;
}
-static void show_one_alternate_sha1(const unsigned char sha1[20], void *unused)
+static void show_one_alternate_ref(const char *refname,
+ const struct object_id *oid,
+ void *data)
{
- show_ref(".have", sha1);
-}
+ struct oidset *seen = data;
-static void collect_one_alternate_ref(const struct ref *ref, void *data)
-{
- struct sha1_array *sa = data;
- sha1_array_append(sa, ref->old_oid.hash);
+ if (oidset_insert(seen, oid))
+ return;
+
+ show_ref(".have", oid);
}
static void write_head_info(void)
{
- struct sha1_array sa = SHA1_ARRAY_INIT;
+ static struct oidset seen = OIDSET_INIT;
- for_each_alternate_ref(collect_one_alternate_ref, &sa);
- sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL);
- sha1_array_clear(&sa);
- for_each_ref(show_ref_cb, NULL);
+ for_each_ref(show_ref_cb, &seen);
+ for_each_alternate_ref(show_one_alternate_ref, &seen);
+ oidset_clear(&seen);
if (!sent_capabilities)
- show_ref("capabilities^{}", null_sha1);
+ show_ref("capabilities^{}", &null_oid);
advertise_shallow_grafts(1);
unsigned int skip_update:1,
did_not_exist:1;
int index;
- unsigned char old_sha1[20];
- unsigned char new_sha1[20];
+ struct object_id old_oid;
+ struct object_id new_oid;
char ref_name[FLEX_ARRAY]; /* more */
};
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);
/* RFC 2104 2. (6) & (7) */
git_SHA1_Init(&ctx);
git_SHA1_Update(&ctx, k_opad, sizeof(k_opad));
- git_SHA1_Update(&ctx, out, 20);
+ git_SHA1_Update(&ctx, out, GIT_SHA1_RAWSZ);
git_SHA1_Final(out, &ctx);
}
-static char *prepare_push_cert_nonce(const char *path, unsigned long stamp)
+static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp)
{
struct strbuf buf = STRBUF_INIT;
- unsigned char sha1[20];
+ unsigned char sha1[GIT_SHA1_RAWSZ];
- strbuf_addf(&buf, "%s:%lu", path, stamp);
- hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));;
+ strbuf_addf(&buf, "%s:%"PRItime, path, stamp);
+ hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));
strbuf_release(&buf);
/* RFC 2104 5. HMAC-SHA1-80 */
- strbuf_addf(&buf, "%lu-%.*s", stamp, 20, sha1_to_hex(sha1));
+ strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, GIT_SHA1_HEXSZ, sha1_to_hex(sha1));
return strbuf_detach(&buf, NULL);
}
* after dropping "_commit" from its name and possibly moving it out
* of commit.c
*/
-static char *find_header(const char *msg, size_t len, const char *key)
+static char *find_header(const char *msg, size_t len, const char *key,
+ const char **next_line)
{
int key_len = strlen(key);
const char *line = msg;
if (line + key_len < eol &&
!memcmp(line, key, key_len) && line[key_len] == ' ') {
int offset = key_len + 1;
+ if (next_line)
+ *next_line = *eol ? eol + 1 : eol;
return xmemdupz(line + offset, (eol - line) - offset);
}
line = *eol ? eol + 1 : NULL;
static const char *check_nonce(const char *buf, size_t len)
{
- char *nonce = find_header(buf, len, "nonce");
- unsigned long stamp, ostamp;
+ char *nonce = find_header(buf, len, "nonce", NULL);
+ timestamp_t stamp, ostamp;
char *bohmac, *expect = NULL;
const char *retval = NONCE_BAD;
retval = NONCE_BAD;
goto leave;
}
- stamp = strtoul(nonce, &bohmac, 10);
+ stamp = parse_timestamp(nonce, &bohmac, 10);
if (bohmac == nonce || bohmac[0] != '-') {
retval = NONCE_BAD;
goto leave;
* would mean it was issued by another server with its clock
* skewed in the future.
*/
- ostamp = strtoul(push_cert_nonce, NULL, 10);
+ ostamp = parse_timestamp(push_cert_nonce, NULL, 10);
nonce_stamp_slop = (long)ostamp - (long)stamp;
if (nonce_stamp_slop_limit &&
return retval;
}
+/*
+ * Return 1 if there is no push_cert or if the push options in push_cert are
+ * the same as those in the argument; 0 otherwise.
+ */
+static int check_cert_push_options(const struct string_list *push_options)
+{
+ const char *buf = push_cert.buf;
+ int len = push_cert.len;
+
+ char *option;
+ const char *next_line;
+ int options_seen = 0;
+
+ int retval = 1;
+
+ if (!len)
+ return 1;
+
+ while ((option = find_header(buf, len, "push-option", &next_line))) {
+ len -= (next_line - buf);
+ buf = next_line;
+ options_seen++;
+ if (options_seen > push_options->nr
+ || strcmp(option,
+ push_options->items[options_seen - 1].string)) {
+ retval = 0;
+ goto leave;
+ }
+ free(option);
+ }
+
+ if (options_seen != push_options->nr)
+ retval = 0;
+
+leave:
+ free(option);
+ return retval;
+}
+
static void prepare_push_cert_sha1(struct child_process *proc)
{
static int already_done;
return;
if (!already_done) {
- struct strbuf gpg_output = STRBUF_INIT;
- struct strbuf gpg_status = STRBUF_INIT;
int bogs /* beginning_of_gpg_sig */;
already_done = 1;
- if (write_sha1_file(push_cert.buf, push_cert.len, "blob", push_cert_sha1))
- hashclr(push_cert_sha1);
+ if (write_object_file(push_cert.buf, push_cert.len, "blob",
+ &push_cert_oid))
+ oidclr(&push_cert_oid);
memset(&sigcheck, '\0', sizeof(sigcheck));
- sigcheck.result = 'N';
bogs = parse_signature(push_cert.buf, push_cert.len);
- if (verify_signed_buffer(push_cert.buf, bogs,
- push_cert.buf + bogs, push_cert.len - bogs,
- &gpg_output, &gpg_status) < 0) {
- ; /* error running gpg */
- } else {
- sigcheck.payload = push_cert.buf;
- sigcheck.gpg_output = gpg_output.buf;
- sigcheck.gpg_status = gpg_status.buf;
- parse_gpg_output(&sigcheck);
- }
+ check_signature(push_cert.buf, bogs, push_cert.buf + bogs,
+ push_cert.len - bogs, &sigcheck);
- strbuf_release(&gpg_output);
- strbuf_release(&gpg_status);
nonce_status = check_nonce(push_cert.buf, bogs);
}
- if (!is_null_sha1(push_cert_sha1)) {
+ if (!is_null_oid(&push_cert_oid)) {
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s",
- sha1_to_hex(push_cert_sha1));
+ 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",
}
}
+struct receive_hook_feed_state {
+ struct command *cmd;
+ int skip_broken;
+ struct strbuf buf;
+ const struct string_list *push_options;
+};
+
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)
+static int run_and_feed_hook(const char *hook_name, feed_fn feed,
+ struct receive_hook_feed_state *feed_state)
{
struct child_process proc = CHILD_PROCESS_INIT;
struct async muxer;
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
+ 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);
+ } else
+ argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT");
+
+ if (tmp_objdir)
+ argv_array_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir));
if (use_sideband) {
memset(&muxer, 0, sizeof(muxer));
size_t n;
if (feed(feed_state, &buf, &n))
break;
- if (write_in_full(proc.in, buf, n) != n)
+ if (write_in_full(proc.in, buf, n) < 0)
break;
}
close(proc.in);
return finish_command(&proc);
}
-struct receive_hook_feed_state {
- struct command *cmd;
- int skip_broken;
- struct strbuf buf;
-};
-
static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep)
{
struct receive_hook_feed_state *state = state_;
return -1; /* EOF */
strbuf_reset(&state->buf);
strbuf_addf(&state->buf, "%s %s %s\n",
- sha1_to_hex(cmd->old_sha1), sha1_to_hex(cmd->new_sha1),
+ oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid),
cmd->ref_name);
state->cmd = cmd->next;
if (bufp) {
return 0;
}
-static int run_receive_hook(struct command *commands, const char *hook_name,
- int skip_broken)
+static int run_receive_hook(struct command *commands,
+ const char *hook_name,
+ int skip_broken,
+ const struct string_list *push_options)
{
struct receive_hook_feed_state state;
int status;
if (feed_receive_hook(&state, NULL, NULL))
return 0;
state.cmd = commands;
+ state.push_options = push_options;
status = run_and_feed_hook(hook_name, feed_receive_hook, &state);
strbuf_release(&state.buf);
return status;
return 0;
argv[1] = cmd->ref_name;
- argv[2] = sha1_to_hex(cmd->old_sha1);
- argv[3] = sha1_to_hex(cmd->new_sha1);
+ argv[2] = oid_to_hex(&cmd->old_oid);
+ argv[3] = oid_to_hex(&cmd->new_oid);
argv[4] = NULL;
proc.no_stdin = 1;
return !strcmp(head_name, ref);
}
-static char *refuse_unconfigured_deny_msg[] = {
- "By default, updating the current branch in a non-bare repository",
- "is denied, because it will make the index and work tree inconsistent",
- "with what you pushed, and will require 'git reset --hard' to match",
- "the work tree to HEAD.",
- "",
- "You can set 'receive.denyCurrentBranch' configuration variable to",
- "'ignore' or 'warn' in the remote repository to allow pushing into",
- "its current branch; however, this is not recommended unless you",
- "arranged to update its work tree to match what you pushed in some",
- "other way.",
- "",
- "To squelch this message and still keep the default behaviour, set",
- "'receive.denyCurrentBranch' configuration variable to 'refuse'."
-};
+static char *refuse_unconfigured_deny_msg =
+ N_("By default, updating the current branch in a non-bare repository\n"
+ "is denied, because it will make the index and work tree inconsistent\n"
+ "with what you pushed, and will require 'git reset --hard' to match\n"
+ "the work tree to HEAD.\n"
+ "\n"
+ "You can set the 'receive.denyCurrentBranch' configuration variable\n"
+ "to 'ignore' or 'warn' in the remote repository to allow pushing into\n"
+ "its current branch; however, this is not recommended unless you\n"
+ "arranged to update its work tree to match what you pushed in some\n"
+ "other way.\n"
+ "\n"
+ "To squelch this message and still keep the default behaviour, set\n"
+ "'receive.denyCurrentBranch' configuration variable to 'refuse'.");
static void refuse_unconfigured_deny(void)
{
- int i;
- for (i = 0; i < ARRAY_SIZE(refuse_unconfigured_deny_msg); i++)
- rp_error("%s", refuse_unconfigured_deny_msg[i]);
+ rp_error("%s", _(refuse_unconfigured_deny_msg));
}
-static char *refuse_unconfigured_deny_delete_current_msg[] = {
- "By default, deleting the current branch is denied, because the next",
- "'git clone' won't result in any file checked out, causing confusion.",
- "",
- "You can set 'receive.denyDeleteCurrent' configuration variable to",
- "'warn' or 'ignore' in the remote repository to allow deleting the",
- "current branch, with or without a warning message.",
- "",
- "To squelch this message, you can set it to 'refuse'."
-};
+static char *refuse_unconfigured_deny_delete_current_msg =
+ N_("By default, deleting the current branch is denied, because the next\n"
+ "'git clone' won't result in any file checked out, causing confusion.\n"
+ "\n"
+ "You can set 'receive.denyDeleteCurrent' configuration variable to\n"
+ "'warn' or 'ignore' in the remote repository to allow deleting the\n"
+ "current branch, with or without a warning message.\n"
+ "\n"
+ "To squelch this message, you can set it to 'refuse'.");
static void refuse_unconfigured_deny_delete_current(void)
{
- int i;
- for (i = 0;
- i < ARRAY_SIZE(refuse_unconfigured_deny_delete_current_msg);
- i++)
- rp_error("%s", refuse_unconfigured_deny_delete_current_msg[i]);
+ rp_error("%s", _(refuse_unconfigured_deny_delete_current_msg));
}
-static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]);
+static int command_singleton_iterator(void *cb_data, struct object_id *oid);
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;
+ struct lock_file shallow_lock = LOCK_INIT;
+ struct oid_array extra = OID_ARRAY_INIT;
struct check_connected_options opt = CHECK_CONNECTED_INIT;
uint32_t mask = 1 << (cmd->index % 32);
int i;
if (si->used_shallow[i] &&
(si->used_shallow[i][cmd->index / 32] & mask) &&
!delayed_reachability_test(si, i))
- sha1_array_append(&extra, si->shallow->sha1[i]);
+ oid_array_append(&extra, &si->shallow->oid[i]);
+ 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);
- sha1_array_clear(&extra);
+ oid_array_clear(&extra);
return -1;
}
* not lose these new roots..
*/
for (i = 0; i < extra.nr; i++)
- register_shallow(extra.sha1[i]);
+ register_shallow(the_repository, &extra.oid[i]);
si->shallow_ref[cmd->index] = 0;
- sha1_array_clear(&extra);
+ oid_array_clear(&extra);
return 0;
}
*/
static int head_has_history(void)
{
- unsigned char sha1[20];
+ struct object_id oid;
- return !get_sha1("HEAD", sha1);
+ return !get_oid("HEAD", &oid);
}
static const char *push_to_deploy(unsigned char *sha1,
return "Working directory has unstaged changes";
/* diff-index with either HEAD or an empty tree */
- diff_index[4] = head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX;
+ diff_index[4] = head_has_history() ? "HEAD" : empty_tree_oid_hex();
child_process_init(&child);
child.argv = diff_index;
{
const char *name = cmd->ref_name;
struct strbuf namespaced_name_buf = STRBUF_INIT;
- const char *namespaced_name, *ret;
- unsigned char *old_sha1 = cmd->old_sha1;
- unsigned char *new_sha1 = cmd->new_sha1;
+ static char *namespaced_name;
+ const char *ret;
+ struct object_id *old_oid = &cmd->old_oid;
+ struct object_id *new_oid = &cmd->new_oid;
+ int do_update_worktree = 0;
/* only refs/... are allowed */
if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) {
}
strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name);
+ free(namespaced_name);
namespaced_name = strbuf_detach(&namespaced_name_buf, NULL);
if (is_ref_checked_out(namespaced_name)) {
refuse_unconfigured_deny();
return "branch is currently checked out";
case DENY_UPDATE_INSTEAD:
- ret = update_worktree(new_sha1);
- if (ret)
- return ret;
+ /* pass -- let other checks intervene first */
+ do_update_worktree = 1;
break;
}
}
- if (!is_null_sha1(new_sha1) && !has_sha1_file(new_sha1)) {
+ if (!is_null_oid(new_oid) && !has_object_file(new_oid)) {
error("unpack should have generated %s, "
- "but I can't find it!", sha1_to_hex(new_sha1));
+ "but I can't find it!", oid_to_hex(new_oid));
return "bad pack";
}
- if (!is_null_sha1(old_sha1) && is_null_sha1(new_sha1)) {
+ if (!is_null_oid(old_oid) && is_null_oid(new_oid)) {
if (deny_deletes && starts_with(name, "refs/heads/")) {
rp_error("denying ref deletion for %s", name);
return "deletion prohibited";
}
}
- if (deny_non_fast_forwards && !is_null_sha1(new_sha1) &&
- !is_null_sha1(old_sha1) &&
+ if (deny_non_fast_forwards && !is_null_oid(new_oid) &&
+ !is_null_oid(old_oid) &&
starts_with(name, "refs/heads/")) {
struct object *old_object, *new_object;
struct commit *old_commit, *new_commit;
- old_object = parse_object(old_sha1);
- new_object = parse_object(new_sha1);
+ old_object = parse_object(the_repository, old_oid);
+ new_object = parse_object(the_repository, new_oid);
if (!old_object || !new_object ||
old_object->type != OBJ_COMMIT ||
return "hook declined";
}
- if (is_null_sha1(new_sha1)) {
+ if (do_update_worktree) {
+ ret = update_worktree(new_oid->hash);
+ if (ret)
+ return ret;
+ }
+
+ if (is_null_oid(new_oid)) {
struct strbuf err = STRBUF_INIT;
- if (!parse_object(old_sha1)) {
- old_sha1 = NULL;
+ if (!parse_object(the_repository, old_oid)) {
+ old_oid = NULL;
if (ref_exists(name)) {
rp_warning("Allowing deletion of corrupt ref.");
} else {
}
if (ref_transaction_delete(transaction,
namespaced_name,
- old_sha1,
+ old_oid,
0, "push", &err)) {
rp_error("%s", err.buf);
strbuf_release(&err);
if (ref_transaction_update(transaction,
namespaced_name,
- new_sha1, old_sha1,
+ new_oid, old_oid,
0, "push",
&err)) {
rp_error("%s", err.buf);
static void run_update_post_hook(struct command *commands)
{
struct command *cmd;
- int argc;
struct child_process proc = CHILD_PROCESS_INIT;
const char *hook;
hook = find_hook("post-update");
- for (argc = 0, cmd = commands; cmd; cmd = cmd->next) {
- if (cmd->error_string || cmd->did_not_exist)
- continue;
- argc++;
- }
- if (!argc || !hook)
+ if (!hook)
return;
- argv_array_push(&proc.args, hook);
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.argc)
+ return;
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
const char *dst_name;
struct string_list_item *item;
struct command *dst_cmd;
- unsigned char sha1[GIT_SHA1_RAWSZ];
- char cmd_oldh[GIT_SHA1_HEXSZ + 1],
- cmd_newh[GIT_SHA1_HEXSZ + 1],
- dst_oldh[GIT_SHA1_HEXSZ + 1],
- dst_newh[GIT_SHA1_HEXSZ + 1];
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
- dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &flag);
+ dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
dst_cmd = (struct command *) item->util;
- if (!hashcmp(cmd->old_sha1, dst_cmd->old_sha1) &&
- !hashcmp(cmd->new_sha1, dst_cmd->new_sha1))
+ if (!oidcmp(&cmd->old_oid, &dst_cmd->old_oid) &&
+ !oidcmp(&cmd->new_oid, &dst_cmd->new_oid))
return;
dst_cmd->skip_update = 1;
- find_unique_abbrev_r(cmd_oldh, cmd->old_sha1, DEFAULT_ABBREV);
- find_unique_abbrev_r(cmd_newh, cmd->new_sha1, DEFAULT_ABBREV);
- find_unique_abbrev_r(dst_oldh, dst_cmd->old_sha1, DEFAULT_ABBREV);
- find_unique_abbrev_r(dst_newh, dst_cmd->new_sha1, DEFAULT_ABBREV);
rp_error("refusing inconsistent update between symref '%s' (%s..%s) and"
" its target '%s' (%s..%s)",
- cmd->ref_name, cmd_oldh, cmd_newh,
- dst_cmd->ref_name, dst_oldh, dst_newh);
+ cmd->ref_name,
+ find_unique_abbrev(&cmd->old_oid, DEFAULT_ABBREV),
+ find_unique_abbrev(&cmd->new_oid, DEFAULT_ABBREV),
+ dst_cmd->ref_name,
+ find_unique_abbrev(&dst_cmd->old_oid, DEFAULT_ABBREV),
+ find_unique_abbrev(&dst_cmd->new_oid, DEFAULT_ABBREV));
cmd->error_string = dst_cmd->error_string =
"inconsistent aliased update";
string_list_clear(&ref_list, 0);
}
-static int command_singleton_iterator(void *cb_data, unsigned char sha1[20])
+static int command_singleton_iterator(void *cb_data, struct object_id *oid)
{
struct command **cmd_list = cb_data;
struct command *cmd = *cmd_list;
- if (!cmd || is_null_sha1(cmd->new_sha1))
+ if (!cmd || is_null_oid(&cmd->new_oid))
return -1; /* end of list */
*cmd_list = NULL; /* this returns only one */
- hashcpy(sha1, cmd->new_sha1);
+ oidcpy(oid, &cmd->new_oid);
return 0;
}
for (cmd = commands; cmd; cmd = cmd->next) {
struct command *singleton = cmd;
+ struct check_connected_options opt = CHECK_CONNECTED_INIT;
+
if (shallow_update && si->shallow_ref[cmd->index])
/* to be checked in update_shallow_ref() */
continue;
+
+ opt.env = tmp_objdir_env(tmp_objdir);
if (!check_connected(command_singleton_iterator, &singleton,
- NULL))
+ &opt))
continue;
+
cmd->error_string = "missing necessary objects";
}
}
struct shallow_info *si;
};
-static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20])
+static int iterate_receive_command_list(void *cb_data, struct object_id *oid)
{
struct iterate_data *data = cb_data;
struct command **cmd_list = &data->cmds;
if (shallow_update && data->si->shallow_ref[cmd->index])
/* to be checked in update_shallow_ref() */
continue;
- if (!is_null_sha1(cmd->new_sha1) && !cmd->skip_update) {
- hashcpy(sha1, cmd->new_sha1);
+ if (!is_null_oid(&cmd->new_oid) && !cmd->skip_update) {
+ oidcpy(oid, &cmd->new_oid);
*cmd_list = cmd->next;
return 0;
}
if (!ref_is_hidden(cmd->ref_name, refname_full.buf))
continue;
- if (is_null_sha1(cmd->new_sha1))
+ if (is_null_oid(&cmd->new_oid))
cmd->error_string = "deny deleting a hidden ref";
else
cmd->error_string = "deny updating a hidden ref";
}
}
if (!checked_connectivity)
- die("BUG: connectivity check skipped???");
+ BUG("connectivity check skipped???");
}
static void execute_commands_non_atomic(struct command *commands,
static void execute_commands(struct command *commands,
const char *unpacker_error,
- struct shallow_info *si)
+ 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)
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_connected(iterate_receive_command_list, &data, NULL))
+ opt.err_fd = err_fd;
+ opt.progress = err_fd && !quiet;
+ opt.env = tmp_objdir_env(tmp_objdir);
+ 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)) {
+ if (run_receive_hook(commands, "pre-receive", 0, push_options)) {
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string)
cmd->error_string = "pre-receive hook declined";
return;
}
+ /*
+ * Now we'll start writing out refs, which means the objects need
+ * to be in their final positions so that other processes can see them.
+ */
+ if (tmp_objdir_migrate(tmp_objdir) < 0) {
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (!cmd->error_string)
+ cmd->error_string = "unable to migrate objects to permanent storage";
+ }
+ return;
+ }
+ tmp_objdir = NULL;
+
check_aliased_updates(commands);
free(head_name_to_free);
- head_name = head_name_to_free = resolve_refdup("HEAD", 0, sha1, NULL);
+ head_name = head_name_to_free = resolve_refdup("HEAD", 0, NULL, NULL);
if (use_atomic)
execute_commands_atomic(commands, si);
const char *line,
int linelen)
{
- unsigned char old_sha1[20], new_sha1[20];
+ struct object_id old_oid, new_oid;
struct command *cmd;
const char *refname;
int reflen;
+ const char *p;
- if (linelen < 83 ||
- line[40] != ' ' ||
- line[81] != ' ' ||
- get_sha1_hex(line, old_sha1) ||
- get_sha1_hex(line + 41, new_sha1))
+ if (parse_oid_hex(line, &old_oid, &p) ||
+ *p++ != ' ' ||
+ parse_oid_hex(p, &new_oid, &p) ||
+ *p++ != ' ')
die("protocol error: expected old/new/ref, got '%s'", line);
- refname = line + 82;
- reflen = linelen - 82;
- cmd = xcalloc(1, st_add3(sizeof(struct command), reflen, 1));
- hashcpy(cmd->old_sha1, old_sha1);
- hashcpy(cmd->new_sha1, new_sha1);
- memcpy(cmd->ref_name, refname, reflen);
- cmd->ref_name[reflen] = '\0';
+ refname = p;
+ reflen = linelen - (p - line);
+ FLEX_ALLOC_MEM(cmd, ref_name, refname, reflen);
+ oidcpy(&cmd->old_oid, &old_oid);
+ oidcpy(&cmd->new_oid, &new_oid);
*tail = cmd;
return &cmd->next;
}
while (boc < eoc) {
const char *eol = memchr(boc, '\n', eoc - boc);
- tail = queue_command(tail, boc, eol ? eol - boc : eoc - eol);
+ tail = queue_command(tail, boc, eol ? eol - boc : eoc - boc);
boc = eol ? eol + 1 : eoc;
}
}
-static struct command *read_head_info(struct sha1_array *shallow)
+static struct command *read_head_info(struct oid_array *shallow)
{
struct command *commands = NULL;
struct command **p = &commands;
if (!line)
break;
- if (len == 48 && starts_with(line, "shallow ")) {
- unsigned char sha1[20];
- if (get_sha1_hex(line + 8, sha1))
+ if (len > 8 && starts_with(line, "shallow ")) {
+ struct object_id oid;
+ if (get_oid_hex(line + 8, &oid))
die("protocol error: expected shallow sha, got '%s'",
line + 8);
- sha1_array_append(shallow, sha1);
+ oid_array_append(shallow, &oid);
continue;
}
if (advertise_atomic_push
&& parse_feature_request(feature_list, "atomic"))
use_atomic = 1;
+ if (advertise_push_options
+ && parse_feature_request(feature_list, "push-options"))
+ use_push_options = 1;
}
if (!strcmp(line, "push-cert")) {
return commands;
}
+static void read_push_options(struct string_list *options)
+{
+ while (1) {
+ char *line;
+ int len;
+
+ line = packet_read_line(0, &len);
+
+ if (!line)
+ break;
+
+ string_list_append(options, line);
+ }
+}
+
static const char *parse_pack_header(struct pack_header *hdr)
{
switch (read_pack_header(0, hdr)) {
static const char *pack_lockfile;
+static void push_header_arg(struct argv_array *args, struct pack_header *hdr)
+{
+ argv_array_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)
{
struct pack_header hdr;
const char *hdr_err;
int status;
- char hdr_arg[38];
struct child_process child = CHILD_PROCESS_INIT;
int fsck_objects = (receive_fsck_objects >= 0
? receive_fsck_objects
close(err_fd);
return hdr_err;
}
- snprintf(hdr_arg, sizeof(hdr_arg),
- "--pack_header=%"PRIu32",%"PRIu32,
- ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries));
if (si->nr_ours || si->nr_theirs) {
alt_shallow_file = setup_temporary_shallow(si->shallow);
argv_array_push(&child.args, alt_shallow_file);
}
+ tmp_objdir = tmp_objdir_create();
+ if (!tmp_objdir) {
+ if (err_fd > 0)
+ close(err_fd);
+ return "unable to create temporary object directory";
+ }
+ child.env = tmp_objdir_env(tmp_objdir);
+
+ /*
+ * Normally we just pass the tmp_objdir environment to the child
+ * processes that do the heavy lifting, but we may need to see these
+ * objects ourselves to set up shallow information.
+ */
+ tmp_objdir_add_as_alternate(tmp_objdir);
+
if (ntohl(hdr.hdr_entries) < unpack_limit) {
- argv_array_pushl(&child.args, "unpack-objects", hdr_arg, NULL);
+ argv_array_push(&child.args, "unpack-objects");
+ push_header_arg(&child.args, &hdr);
if (quiet)
argv_array_push(&child.args, "-q");
if (fsck_objects)
argv_array_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);
child.no_stdout = 1;
child.err = err_fd;
child.git_cmd = 1;
if (status)
return "unpack-objects abnormal exit";
} else {
- char hostname[256];
+ char hostname[HOST_NAME_MAX + 1];
- argv_array_pushl(&child.args, "index-pack",
- "--stdin", hdr_arg, NULL);
+ argv_array_pushl(&child.args, "index-pack", "--stdin", NULL);
+ push_header_arg(&child.args, &hdr);
- if (gethostname(hostname, sizeof(hostname)))
+ 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);
+ 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);
if (!reject_thin)
argv_array_push(&child.args, "--fix-thin");
+ if (max_input_size)
+ argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX,
+ (uintmax_t)max_input_size);
child.out = -1;
child.err = err_fd;
child.git_cmd = 1;
status = finish_command(&child);
if (status)
return "index-pack abnormal exit";
- reprepare_packed_git();
+ reprepare_packed_git(the_repository);
}
return NULL;
}
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;
static void prepare_shallow_update(struct command *commands,
struct shallow_info *si)
{
- int i, j, k, bitmap_size = (si->ref->nr + 31) / 32;
+ int i, j, k, bitmap_size = DIV_ROUND_UP(si->ref->nr, 32);
ALLOC_ARRAY(si->used_shallow, si->shallow->nr);
assign_shallow_commits_to_refs(si, si->used_shallow, NULL);
static void update_shallow_info(struct command *commands,
struct shallow_info *si,
- struct sha1_array *ref)
+ struct oid_array *ref)
{
struct command *cmd;
int *ref_status;
}
for (cmd = commands; cmd; cmd = cmd->next) {
- if (is_null_sha1(cmd->new_sha1))
+ if (is_null_oid(&cmd->new_oid))
continue;
- sha1_array_append(ref, cmd->new_sha1);
+ oid_array_append(ref, &cmd->new_oid);
cmd->index = ref->nr - 1;
}
si->ref = ref;
ALLOC_ARRAY(ref_status, ref->nr);
assign_shallow_commits_to_refs(si, NULL, ref_status);
for (cmd = commands; cmd; cmd = cmd->next) {
- if (is_null_sha1(cmd->new_sha1))
+ if (is_null_oid(&cmd->new_oid))
continue;
if (ref_status[cmd->index]) {
cmd->error_string = "shallow update not allowed";
{
struct command *cmd;
for (cmd = commands; cmd; cmd = cmd->next) {
- if (!is_null_sha1(cmd->new_sha1))
+ if (!is_null_oid(&cmd->new_oid))
return 0;
}
return 1;
{
int advertise_refs = 0;
struct command *commands;
- struct sha1_array shallow = SHA1_ARRAY_INIT;
- struct sha1_array ref = SHA1_ARRAY_INIT;
+ struct oid_array shallow = OID_ARRAY_INIT;
+ struct oid_array ref = OID_ARRAY_INIT;
struct shallow_info si;
struct option options[] = {
else if (0 <= receive_unpack_limit)
unpack_limit = receive_unpack_limit;
+ switch (determine_protocol_version_server()) {
+ case protocol_v2:
+ /*
+ * push support for protocol v2 has not been implemented yet,
+ * so ignore the request to use v2 and fallback to using v0.
+ */
+ break;
+ case protocol_v1:
+ /*
+ * v1 is just the original protocol with a version string,
+ * so just fall through after writing the version string.
+ */
+ if (advertise_refs || !stateless_rpc)
+ packet_write_fmt(1, "version 1\n");
+
+ /* fallthrough */
+ case protocol_v0:
+ break;
+ case protocol_unknown_version:
+ BUG("unknown protocol version");
+ }
+
if (advertise_refs || !stateless_rpc) {
write_head_info();
}
if ((commands = read_head_info(&shallow)) != NULL) {
const char *unpack_status = NULL;
+ struct string_list push_options = STRING_LIST_INIT_DUP;
+
+ if (use_push_options)
+ read_push_options(&push_options);
+ if (!check_cert_push_options(&push_options)) {
+ struct command *cmd;
+ for (cmd = commands; cmd; cmd = cmd->next)
+ cmd->error_string = "inconsistent push options";
+ }
prepare_shallow_info(&si, &shallow);
if (!si.nr_ours && !si.nr_theirs)
unpack_status = unpack_with_sideband(&si);
update_shallow_info(commands, &si, &ref);
}
- execute_commands(commands, unpack_status, &si);
+ use_keepalive = KEEPALIVE_ALWAYS;
+ execute_commands(commands, unpack_status, &si,
+ &push_options);
if (pack_lockfile)
unlink_or_warn(pack_lockfile);
if (report_status)
report(commands, unpack_status);
- run_receive_hook(commands, "post-receive", 1);
+ run_receive_hook(commands, "post-receive", 1,
+ &push_options);
run_update_post_hook(commands);
+ string_list_clear(&push_options, 0);
if (auto_gc) {
const char *argv_gc_auto[] = {
"gc", "--auto", "--quiet", NULL,
proc.git_cmd = 1;
proc.argv = argv_gc_auto;
- close_all_packs();
+ close_all_packs(the_repository->objects);
if (!start_command(&proc)) {
if (use_sideband)
copy_to_sideband(proc.err, -1, NULL);
}
if (use_sideband)
packet_flush(1);
- sha1_array_clear(&shallow);
- sha1_array_clear(&ref);
+ oid_array_clear(&shallow);
+ oid_array_clear(&ref);
free((void *)push_cert_nonce);
return 0;
}