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-rw-r--r--builtin/receive-pack.c110
1 files changed, 67 insertions, 43 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index d634b5a3d5..60260d0aa9 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1,4 +1,4 @@
-#include "cache.h"
+#include "builtin.h"
#include "pack.h"
#include "refs.h"
#include "pkt-line.h"
@@ -10,6 +10,7 @@
#include "remote.h"
#include "transport.h"
#include "string-list.h"
+#include "sha1-array.h"
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
@@ -119,9 +120,25 @@ static int show_ref(const char *path, const unsigned char *sha1, int flag, void
return 0;
}
+static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+{
+ path = strip_namespace(path);
+ /*
+ * 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.
+ */
+ if (!path)
+ path = ".have";
+ return show_ref(path, sha1, flag, cb_data);
+}
+
static void write_head_info(void)
{
- for_each_ref(show_ref, NULL);
+ for_each_ref(show_ref_cb, NULL);
if (!sent_capabilities)
show_ref("capabilities^{}", null_sha1, 0, NULL);
@@ -332,6 +349,8 @@ static void refuse_unconfigured_deny_delete_current(void)
static const char *update(struct command *cmd)
{
const char *name = cmd->ref_name;
+ struct strbuf namespaced_name_buf = STRBUF_INIT;
+ const char *namespaced_name;
unsigned char *old_sha1 = cmd->old_sha1;
unsigned char *new_sha1 = cmd->new_sha1;
struct ref_lock *lock;
@@ -342,7 +361,10 @@ static const char *update(struct command *cmd)
return "funny refname";
}
- if (is_ref_checked_out(name)) {
+ strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name);
+ namespaced_name = strbuf_detach(&namespaced_name_buf, NULL);
+
+ if (is_ref_checked_out(namespaced_name)) {
switch (deny_current_branch) {
case DENY_IGNORE:
break;
@@ -370,7 +392,7 @@ static const char *update(struct command *cmd)
return "deletion prohibited";
}
- if (!strcmp(name, head_name)) {
+ if (!strcmp(namespaced_name, head_name)) {
switch (deny_delete_current) {
case DENY_IGNORE:
break;
@@ -426,14 +448,14 @@ static const char *update(struct command *cmd)
rp_warning("Allowing deletion of corrupt ref.");
old_sha1 = NULL;
}
- if (delete_ref(name, old_sha1, 0)) {
+ if (delete_ref(namespaced_name, old_sha1, 0)) {
rp_error("failed to delete %s", name);
return "failed to delete";
}
return NULL; /* good */
}
else {
- lock = lock_any_ref_for_update(name, old_sha1, 0);
+ lock = lock_any_ref_for_update(namespaced_name, old_sha1, 0);
if (!lock) {
rp_error("failed to lock %s", name);
return "failed to lock";
@@ -490,17 +512,29 @@ static void run_update_post_hook(struct command *commands)
static void check_aliased_update(struct command *cmd, struct string_list *list)
{
+ struct strbuf buf = STRBUF_INIT;
+ const char *dst_name;
struct string_list_item *item;
struct command *dst_cmd;
unsigned char sha1[20];
char cmd_oldh[41], cmd_newh[41], dst_oldh[41], dst_newh[41];
int flag;
- const char *dst_name = resolve_ref(cmd->ref_name, sha1, 0, &flag);
+ strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
+ dst_name = resolve_ref(buf.buf, sha1, 0, &flag);
+ strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
return;
+ dst_name = strip_namespace(dst_name);
+ if (!dst_name) {
+ rp_error("refusing update to broken symref '%s'", cmd->ref_name);
+ cmd->skip_update = 1;
+ cmd->error_string = "broken symref";
+ return;
+ }
+
if ((item = string_list_lookup(list, dst_name)) == NULL)
return;
@@ -530,7 +564,7 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
static void check_aliased_updates(struct command *commands)
{
struct command *cmd;
- struct string_list ref_list = { NULL, 0, 0, 0 };
+ struct string_list ref_list = STRING_LIST_INIT_NODUP;
for (cmd = commands; cmd; cmd = cmd->next) {
struct string_list_item *item =
@@ -635,7 +669,7 @@ static const char *parse_pack_header(struct pack_header *hdr)
static const char *pack_lockfile;
-static const char *unpack(void)
+static const char *unpack(int quiet)
{
struct pack_header hdr;
const char *hdr_err;
@@ -650,8 +684,10 @@ static const char *unpack(void)
if (ntohl(hdr.hdr_entries) < unpack_limit) {
int code, i = 0;
- const char *unpacker[4];
+ const char *unpacker[5];
unpacker[i++] = "unpack-objects";
+ if (quiet)
+ unpacker[i++] = "-q";
if (receive_fsck_objects)
unpacker[i++] = "--strict";
unpacker[i++] = hdr_arg;
@@ -731,58 +767,46 @@ static int delete_only(struct command *commands)
return 1;
}
-static int add_refs_from_alternate(struct alternate_object_database *e, void *unused)
+static void add_one_alternate_sha1(const unsigned char sha1[20], void *unused)
{
- char *other;
- size_t len;
- struct remote *remote;
- struct transport *transport;
- const struct ref *extra;
-
- e->name[-1] = '\0';
- other = xstrdup(make_absolute_path(e->base));
- e->name[-1] = '/';
- len = strlen(other);
-
- while (other[len-1] == '/')
- other[--len] = '\0';
- if (len < 8 || memcmp(other + len - 8, "/objects", 8))
- return 0;
- /* Is this a git repository with refs? */
- memcpy(other + len - 8, "/refs", 6);
- if (!is_directory(other))
- return 0;
- other[len - 8] = '\0';
- remote = remote_get(other);
- transport = transport_get(remote, other);
- for (extra = transport_get_remote_refs(transport);
- extra;
- extra = extra->next) {
- add_extra_ref(".have", extra->old_sha1, 0);
- }
- transport_disconnect(transport);
- free(other);
- return 0;
+ add_extra_ref(".have", sha1, 0);
+}
+
+static void collect_one_alternate_ref(const struct ref *ref, void *data)
+{
+ struct sha1_array *sa = data;
+ sha1_array_append(sa, ref->old_sha1);
}
static void add_alternate_refs(void)
{
- foreach_alt_odb(add_refs_from_alternate, NULL);
+ struct sha1_array sa = SHA1_ARRAY_INIT;
+ for_each_alternate_ref(collect_one_alternate_ref, &sa);
+ sha1_array_for_each_unique(&sa, add_one_alternate_sha1, NULL);
+ sha1_array_clear(&sa);
}
int cmd_receive_pack(int argc, const char **argv, const char *prefix)
{
+ int quiet = 0;
int advertise_refs = 0;
int stateless_rpc = 0;
int i;
char *dir = NULL;
struct command *commands;
+ packet_trace_identity("receive-pack");
+
argv++;
for (i = 1; i < argc; i++) {
const char *arg = *argv++;
if (*arg == '-') {
+ if (!strcmp(arg, "--quiet")) {
+ quiet = 1;
+ continue;
+ }
+
if (!strcmp(arg, "--advertise-refs")) {
advertise_refs = 1;
continue;
@@ -831,7 +855,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
const char *unpack_status = NULL;
if (!delete_only(commands))
- unpack_status = unpack();
+ unpack_status = unpack(quiet);
execute_commands(commands, unpack_status);
if (pack_lockfile)
unlink_or_warn(pack_lockfile);