extern int server_supports(const char *feature);
extern int parse_feature_request(const char *features, const char *feature);
extern const char *server_feature_value(const char *feature, int *len_ret);
-extern const char *parse_feature_value(const char *feature_list, const char *feature, int *len_ret);
extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path);
#include "run-command.h"
#include "remote.h"
#include "url.h"
+#include "string-list.h"
static char *server_capabilities;
+static const char *parse_feature_value(const char *, const char *, int *);
static int check_ref(const char *name, int len, unsigned int flags)
{
"and the repository exists.");
}
+static void parse_one_symref_info(struct string_list *symref, const char *val, int len)
+{
+ char *sym, *target;
+ struct string_list_item *item;
+
+ if (!len)
+ return; /* just "symref" */
+ /* e.g. "symref=HEAD:refs/heads/master" */
+ sym = xmalloc(len + 1);
+ memcpy(sym, val, len);
+ sym[len] = '\0';
+ target = strchr(sym, ':');
+ if (!target)
+ /* just "symref=something" */
+ goto reject;
+ *(target++) = '\0';
+ if (check_refname_format(sym, REFNAME_ALLOW_ONELEVEL) ||
+ check_refname_format(target, REFNAME_ALLOW_ONELEVEL))
+ /* "symref=bogus:pair */
+ goto reject;
+ item = string_list_append(symref, sym);
+ item->util = target;
+ return;
+reject:
+ free(sym);
+ return;
+}
+
+static void annotate_refs_with_symref_info(struct ref *ref)
+{
+ struct string_list symref = STRING_LIST_INIT_DUP;
+ const char *feature_list = server_capabilities;
+
+ while (feature_list) {
+ int len;
+ const char *val;
+
+ val = parse_feature_value(feature_list, "symref", &len);
+ if (!val)
+ break;
+ parse_one_symref_info(&symref, val, len);
+ feature_list = val + 1;
+ }
+ sort_string_list(&symref);
+
+ for (; ref; ref = ref->next) {
+ struct string_list_item *item;
+ item = string_list_lookup(&symref, ref->name);
+ if (!item)
+ continue;
+ ref->symref = xstrdup((char *)item->util);
+ }
+ string_list_clear(&symref, 0);
+}
+
/*
* Read all the refs from the other end
*/
struct ref **list, unsigned int flags,
struct extra_have_objects *extra_have)
{
+ struct ref **orig_list = list;
int got_at_least_one_head = 0;
*list = NULL;
list = &ref->next;
got_at_least_one_head = 1;
}
+
+ annotate_refs_with_symref_info(*orig_list);
+
return list;
}
-const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp)
+static const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp)
{
int len;
* remote two
Fetch URL: ../two
Push URL: ../three
- HEAD branch (remote HEAD is ambiguous, may be one of the following):
- another
- master
+ HEAD branch: master
Local refs configured for 'git push':
ahead forces to master (fast-forwardable)
master pushes to another (up to date)
)
'
-cat >test/expect <<\EOF
-error: Multiple remote HEAD branches. Please choose one explicitly with:
- git remote set-head two another
- git remote set-head two master
-EOF
-
-test_expect_success 'set-head --auto fails w/multiple HEADs' '
+test_expect_success 'set-head --auto has no problem w/multiple HEADs' '
(
cd test &&
- test_must_fail git remote set-head --auto two >output 2>&1 &&
+ git fetch two "refs/heads/*:refs/remotes/two/*" &&
+ git remote set-head --auto two >output 2>&1 &&
+ echo "two/HEAD set to master" >expect &&
test_i18ncmp expect output
)
'
test_cmp file clone/file
'
-test_expect_failure 'remote detects correct HEAD' '
+test_expect_success 'remote detects correct HEAD' '
git push public master:other &&
(cd clone &&
git remote set-head -d origin &&
git clone "./foo:bar" foobar
'
+test_expect_success 'clone from a repository with two identical branches' '
+
+ (
+ cd src &&
+ git checkout -b another master
+ ) &&
+ git clone src target-11 &&
+ test "z$( cd target-11 && git symbolic-ref HEAD )" = zrefs/heads/another
+
+'
+
test_done
return 0;
}
+static void format_symref_info(struct strbuf *buf, struct string_list *symref)
+{
+ struct string_list_item *item;
+
+ if (!symref->nr)
+ return;
+ for_each_string_list_item(item, symref)
+ strbuf_addf(buf, " symref=%s:%s", item->string, (char *)item->util);
+}
+
static int send_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
static const char *capabilities = "multi_ack thin-pack side-band"
const char *refname_nons = strip_namespace(refname);
unsigned char peeled[20];
- if (mark_our_ref(refname, sha1, flag, cb_data))
+ if (mark_our_ref(refname, sha1, flag, NULL))
return 0;
- if (capabilities)
- packet_write(1, "%s %s%c%s%s%s agent=%s\n",
+ if (capabilities) {
+ struct strbuf symref_info = STRBUF_INIT;
+
+ format_symref_info(&symref_info, cb_data);
+ packet_write(1, "%s %s%c%s%s%s%s agent=%s\n",
sha1_to_hex(sha1), refname_nons,
0, capabilities,
allow_tip_sha1_in_want ? " allow-tip-sha1-in-want" : "",
stateless_rpc ? " no-done" : "",
+ symref_info.buf,
git_user_agent_sanitized());
- else
+ strbuf_release(&symref_info);
+ } else {
packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname_nons);
+ }
capabilities = NULL;
if (!peel_ref(refname, peeled))
packet_write(1, "%s %s^{}\n", sha1_to_hex(peeled), refname_nons);
return 0;
}
+static int find_symref(const char *refname, const unsigned char *sha1, int flag,
+ void *cb_data)
+{
+ const char *symref_target;
+ struct string_list_item *item;
+ unsigned char unused[20];
+
+ if ((flag & REF_ISSYMREF) == 0)
+ return 0;
+ symref_target = resolve_ref_unsafe(refname, unused, 0, &flag);
+ if (!symref_target || (flag & REF_ISSYMREF) == 0)
+ die("'%s' is a symref but it is not?", refname);
+ item = string_list_append(cb_data, refname);
+ item->util = xstrdup(symref_target);
+ return 0;
+}
+
static void upload_pack(void)
{
+ struct string_list symref = STRING_LIST_INIT_DUP;
+
+ head_ref_namespaced(find_symref, &symref);
+ for_each_namespaced_ref(find_symref, &symref);
+
if (advertise_refs || !stateless_rpc) {
reset_timeout();
- head_ref_namespaced(send_ref, NULL);
- for_each_namespaced_ref(send_ref, NULL);
+ head_ref_namespaced(send_ref, &symref);
+ for_each_namespaced_ref(send_ref, &symref);
packet_flush(1);
} else {
head_ref_namespaced(mark_our_ref, NULL);
for_each_namespaced_ref(mark_our_ref, NULL);
}
+ string_list_clear(&symref, 1);
if (advertise_refs)
return;