upload-pack: optionally allow fetching from the tips of hidden refs

diff --git a/transport.c b/transport.c
index 9932f402dfee2605dbb498b120813aebaa3961f8..64ce6510f11ece91f4015b8db75c30d9c4b8dbec 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -518,11 +518,9 @@ static int fetch_refs_via_pack(struct transport *transport,
                               int nr_heads, struct ref **to_fetch)
 {
        struct git_transport_data *data = transport->data;
-       struct string_list sought = STRING_LIST_INIT_DUP;
        const struct ref *refs;
        char *dest = xstrdup(transport->url);
        struct fetch_pack_args args;
-       int i;
        struct ref *refs_tmp = NULL;
 
        memset(&args, 0, sizeof(args));
@@ -536,9 +534,6 @@ static int fetch_refs_via_pack(struct transport *transport,
        args.no_progress = !transport->progress;
        args.depth = data->options.depth;
 
-       for (i = 0; i < nr_heads; i++)
-               string_list_append(&sought, to_fetch[i]->name);
-
        if (!data->got_remote_heads) {
                connect_setup(transport, 0, 0);
                get_remote_heads(data->fd[0], &refs_tmp, 0, NULL);
@@ -547,7 +542,8 @@ static int fetch_refs_via_pack(struct transport *transport,
 
        refs = fetch_pack(&args, data->fd, data->conn,
                          refs_tmp ? refs_tmp : transport->remote_refs,
-                         dest, &sought, &transport->pack_lockfile);
+                         dest, to_fetch, nr_heads,
+                         &transport->pack_lockfile);
        close(data->fd[0]);
        close(data->fd[1]);
        if (finish_connect(data->conn))
@@ -557,7 +553,6 @@ static int fetch_refs_via_pack(struct transport *transport,
 
        free_refs(refs_tmp);
 
-       string_list_clear(&sought, 0);
        free(dest);
        return (refs ? 0 : -1);
 }
@@ -659,7 +654,7 @@ static void print_ok_ref_status(struct ref *ref, int porcelain)
                const char *msg;
 
                strcpy(quickref, status_abbrev(ref->old_sha1));
-               if (ref->nonfastforward) {
+               if (ref->requires_force) {
                        strcat(quickref, "...");
                        type = '+';
                        msg = "forced update";
@@ -695,6 +690,10 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count, i
                print_ref_status('!', "[rejected]", ref, ref->peer_ref,
                                                 "non-fast-forward", porcelain);
                break;
+       case REF_STATUS_REJECT_ALREADY_EXISTS:
+               print_ref_status('!', "[rejected]", ref, ref->peer_ref,
+                                                "already exists", porcelain);
+               break;
        case REF_STATUS_REMOTE_REJECT:
                print_ref_status('!', "[remote rejected]", ref,
                                                 ref->deletion ? NULL : ref->peer_ref,
@@ -714,7 +713,7 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count, i
 }
 
 void transport_print_push_status(const char *dest, struct ref *refs,
-                                 int verbose, int porcelain, int *nonfastforward)
+                                 int verbose, int porcelain, unsigned int *reject_reasons)
 {
        struct ref *ref;
        int n = 0;
@@ -733,18 +732,19 @@ void transport_print_push_status(const char *dest, struct ref *refs,
                if (ref->status == REF_STATUS_OK)
                        n += print_one_push_status(ref, dest, n, porcelain);
 
-       *nonfastforward = 0;
+       *reject_reasons = 0;
        for (ref = refs; ref; ref = ref->next) {
                if (ref->status != REF_STATUS_NONE &&
                    ref->status != REF_STATUS_UPTODATE &&
                    ref->status != REF_STATUS_OK)
                        n += print_one_push_status(ref, dest, n, porcelain);
-               if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD &&
-                   *nonfastforward != NON_FF_HEAD) {
+               if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
                        if (!strcmp(head, ref->name))
-                               *nonfastforward = NON_FF_HEAD;
+                               *reject_reasons |= REJECT_NON_FF_HEAD;
                        else
-                               *nonfastforward = NON_FF_OTHER;
+                               *reject_reasons |= REJECT_NON_FF_OTHER;
+               } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) {
+                       *reject_reasons |= REJECT_ALREADY_EXISTS;
                }
        }
 }
@@ -1031,9 +1031,9 @@ static void die_with_unpushed_submodules(struct string_list *needs_pushing)
 
 int transport_push(struct transport *transport,
                   int refspec_nr, const char **refspec, int flags,
-                  int *nonfastforward)
+                  unsigned int *reject_reasons)
 {
-       *nonfastforward = 0;
+       *reject_reasons = 0;
        transport_verify_remote_names(refspec_nr, refspec);
 
        if (transport->push) {
@@ -1099,7 +1099,7 @@ int transport_push(struct transport *transport,
                if (!quiet || err)
                        transport_print_push_status(transport->url, remote_refs,
                                        verbose | porcelain, porcelain,
-                                       nonfastforward);
+                                       reject_reasons);
 
                if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
                        set_upstreams(transport, remote_refs, pretend);