Allow specifying the remote helper in the url

diff --git a/transport.c b/transport.c
index 4cb807700a445fd985bbcc77259a9b5b484d1932..5d814b50e4c1b52df4b1ab2c5fbebaeedc16e634 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -204,7 +204,7 @@ static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
 }
 
 static int fetch_objs_via_rsync(struct transport *transport,
-                               int nr_objs, const struct ref **to_fetch)
+                               int nr_objs, struct ref **to_fetch)
 {
        struct strbuf buf = STRBUF_INIT;
        struct child_process rsync;
@@ -408,7 +408,7 @@ static struct ref *get_refs_from_bundle(struct transport *transport, int for_pus
 }
 
 static int fetch_refs_from_bundle(struct transport *transport,
-                              int nr_heads, const struct ref **to_fetch)
+                              int nr_heads, struct ref **to_fetch)
 {
        struct bundle_transport_data *data = transport->data;
        return unbundle(&data->header, data->fd);
@@ -486,7 +486,7 @@ static struct ref *get_refs_via_connect(struct transport *transport, int for_pus
 }
 
 static int fetch_refs_via_pack(struct transport *transport,
-                              int nr_heads, const struct ref **to_fetch)
+                              int nr_heads, struct ref **to_fetch)
 {
        struct git_transport_data *data = transport->data;
        char **heads = xmalloc(nr_heads * sizeof(*heads));
@@ -813,8 +813,26 @@ struct transport *transport_get(struct remote *remote, const char *url)
        struct transport *ret = xcalloc(1, sizeof(*ret));
 
        ret->remote = remote;
+
+       if (!url && remote && remote->url)
+               url = remote->url[0];
        ret->url = url;
 
+       /* maybe it is a foreign URL? */
+       if (url) {
+               const char *p = url;
+
+               while (isalnum(*p))
+                       p++;
+               if (!prefixcmp(p, "::"))
+                       remote->foreign_vcs = xstrndup(url, p - url);
+       }
+
+       if (remote && remote->foreign_vcs) {
+               transport_helper_init(ret, remote->foreign_vcs);
+               return ret;
+       }
+
        if (!prefixcmp(url, "rsync:")) {
                ret->get_refs_list = get_refs_via_rsync;
                ret->fetch = fetch_objs_via_rsync;
@@ -869,8 +887,9 @@ int transport_set_option(struct transport *transport,
 
 int transport_push(struct transport *transport,
                   int refspec_nr, const char **refspec, int flags,
-                  int * nonfastforward)
+                  int *nonfastforward)
 {
+       *nonfastforward = 0;
        verify_remote_names(refspec_nr, refspec);
 
        if (transport->push)
@@ -922,16 +941,17 @@ const struct ref *transport_get_remote_refs(struct transport *transport)
        return transport->remote_refs;
 }
 
-int transport_fetch_refs(struct transport *transport, const struct ref *refs)
+int transport_fetch_refs(struct transport *transport, struct ref *refs)
 {
        int rc;
        int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
-       const struct ref **heads = NULL;
-       const struct ref *rm;
+       struct ref **heads = NULL;
+       struct ref *rm;
 
        for (rm = refs; rm; rm = rm->next) {
                nr_refs++;
                if (rm->peer_ref &&
+                   !is_null_sha1(rm->old_sha1) &&
                    !hashcmp(rm->peer_ref->old_sha1, rm->old_sha1))
                        continue;
                ALLOC_GROW(heads, nr_heads + 1, nr_alloc);