#include "gpg-interface.h"
#include "sigchain.h"
#include "fsck.h"
+#include "tmp-objdir.h"
+#include "oidset.h"
static const char * const receive_pack_usage[] = {
N_("git receive-pack <git-dir>"),
} 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) {
static void show_ref(const char *path, const unsigned char *sha1)
{
if (sent_capabilities) {
- packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
+ packet_write_fmt(1, "%s %s\n", sha1_to_hex(sha1), path);
} else {
struct strbuf cap = STRBUF_INIT;
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",
+ packet_write_fmt(1, "%s %s%c%s\n",
sha1_to_hex(sha1), 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";
+ } else {
+ oidset_insert(seen, oid);
+ }
show_ref(path, oid->hash);
return 0;
}
-static int 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);
- return 0;
-}
+ 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->hash);
}
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);
} 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));
muxer.proc = copy_to_sideband;
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
proc.argv = argv;
+ proc.env = tmp_objdir_env(tmp_objdir);
code = start_command(&proc);
if (code)
"with what you pushed, and will require 'git reset --hard' to match\n"
"the work tree to HEAD.\n"
"\n"
- "You can set 'receive.denyCurrentBranch' configuration variable to\n"
- "'ignore' or 'warn' in the remote repository to allow pushing into\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"
!delayed_reachability_test(si, i))
sha1_array_append(&extra, si->shallow->sha1[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);
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_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_sha1, DEFAULT_ABBREV),
+ find_unique_abbrev(cmd->new_sha1, DEFAULT_ABBREV),
+ dst_cmd->ref_name,
+ find_unique_abbrev(dst_cmd->old_sha1, DEFAULT_ABBREV),
+ find_unique_abbrev(dst_cmd->new_sha1, DEFAULT_ABBREV));
cmd->error_string = dst_cmd->error_string =
"inconsistent aliased update";
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 check_connected_options opt = CHECK_CONNECTED_INIT;
struct command *cmd;
- unsigned char sha1[20];
+ struct object_id oid;
struct iterate_data data;
struct async muxer;
int err_fd = 0;
data.si = si;
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);
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, oid.hash, NULL);
if (use_atomic)
execute_commands_atomic(commands, si);
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);
if (quiet)
run_receive_hook(commands, "post-receive", 1,
&push_options);
run_update_post_hook(commands);
- if (push_options.nr)
- string_list_clear(&push_options, 0);
+ string_list_clear(&push_options, 0);
if (auto_gc) {
const char *argv_gc_auto[] = {
"gc", "--auto", "--quiet", NULL,