Make ls-remote http://... list HEAD, like for git://...
This makes a struct ref able to represent a symref, and makes http.c
able to recognize one, and makes transport.c look for "HEAD" as a ref
in the list, and makes it dereference symrefs for the resulting ref,
if any.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/cache.h b/cache.h
index 3fcc283..cfc1237 100644
--- a/cache.h
+++ b/cache.h
@@ -634,6 +634,7 @@
struct ref *next;
unsigned char old_sha1[20];
unsigned char new_sha1[20];
+ char *symref;
unsigned int force:1,
merge:1,
nonfastforward:1,
diff --git a/http.c b/http.c
index c8df13b..acf746a 100644
--- a/http.c
+++ b/http.c
@@ -626,7 +626,10 @@
strbuf_rtrim(&buffer);
if (buffer.len == 40)
ret = get_sha1_hex(buffer.buf, ref->old_sha1);
- else
+ else if (!prefixcmp(buffer.buf, "ref: ")) {
+ ref->symref = xstrdup(buffer.buf + 5);
+ ret = 0;
+ } else
ret = 1;
} else {
ret = error("Couldn't get %s for %s\n%s",
diff --git a/remote.c b/remote.c
index 2d9af40..1504cd0 100644
--- a/remote.c
+++ b/remote.c
@@ -706,13 +706,22 @@
return ret;
}
+void free_ref(struct ref *ref)
+{
+ if (!ref)
+ return;
+ free(ref->remote_status);
+ free(ref->symref);
+ free(ref);
+}
+
void free_refs(struct ref *ref)
{
struct ref *next;
while (ref) {
next = ref->next;
free(ref->peer_ref);
- free(ref);
+ free_ref(ref);
ref = next;
}
}
@@ -1172,3 +1181,15 @@
return 0;
}
+
+int resolve_remote_symref(struct ref *ref, struct ref *list)
+{
+ if (!ref->symref)
+ return 0;
+ for (; list; list = list->next)
+ if (!strcmp(ref->symref, list->name)) {
+ hashcpy(ref->old_sha1, list->old_sha1);
+ return 0;
+ }
+ return 1;
+}
diff --git a/remote.h b/remote.h
index a38774b..ab82308 100644
--- a/remote.h
+++ b/remote.h
@@ -62,6 +62,8 @@
*/
void free_refs(struct ref *ref);
+int resolve_remote_symref(struct ref *ref, struct ref *list);
+
/*
* Removes and frees any duplicate refs in the map.
*/
diff --git a/transport.c b/transport.c
index 393e0e8..b012a28 100644
--- a/transport.c
+++ b/transport.c
@@ -441,10 +441,14 @@
struct ref *ref = NULL;
struct ref *last_ref = NULL;
+ struct walker *walker;
+
if (!transport->data)
transport->data = get_http_walker(transport->url,
transport->remote);
+ walker = transport->data;
+
refs_url = xmalloc(strlen(transport->url) + 11);
sprintf(refs_url, "%s/info/refs", transport->url);
@@ -500,6 +504,16 @@
strbuf_release(&buffer);
+ ref = alloc_ref(strlen("HEAD") + 1);
+ strcpy(ref->name, "HEAD");
+ if (!walker->fetch_ref(walker, ref) &&
+ !resolve_remote_symref(ref, refs)) {
+ ref->next = refs;
+ refs = ref;
+ } else {
+ free(ref);
+ }
+
return refs;
}
