t0050: Fix merge test on case sensitive file systems

diff --git a/builtin-fetch.c b/builtin-fetch.c
index 5bce20f94f300e6ce1c96bf5971a4cfd4408f0ff..e56617e32e5f878e1ae9f0d94ceced28ba18a94e 100644 (file)
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -40,6 +40,8 @@ static struct option builtin_fetch_options[] = {
                    "force overwrite of local branch"),
        OPT_SET_INT('t', "tags", &tags,
                    "fetch all tags and associated objects", TAGS_SET),
+       OPT_SET_INT('n', NULL, &tags,
+                   "do not fetch all tags (--no-tags)", TAGS_UNSET),
        OPT_BOOLEAN('k', "keep", &keep, "keep downloaded pack"),
        OPT_BOOLEAN('u', "update-head-ok", &update_head_ok,
                    "allow updating of HEAD ref"),
@@ -101,6 +103,10 @@ static void add_merge_config(struct ref **head,
        }
 }
 
+static void find_non_local_tags(struct transport *transport,
+                       struct ref **head,
+                       struct ref ***tail);
+
 static struct ref *get_ref_map(struct transport *transport,
                               struct refspec *refs, int ref_count, int tags,
                               int *autotags)
@@ -160,6 +166,8 @@ static struct ref *get_ref_map(struct transport *transport,
                        tail = &ref_map->next;
                }
        }
+       if (tags == TAGS_DEFAULT && *autotags)
+               find_non_local_tags(transport, &ref_map, &tail);
        ref_remove_duplicates(ref_map);
 
        return ref_map;
@@ -207,13 +215,6 @@ static int update_local_ref(struct ref *ref,
        if (type < 0)
                die("object %s not found", sha1_to_hex(ref->new_sha1));
 
-       if (!*ref->name) {
-               /* Not storing */
-               if (verbose)
-                       sprintf(display, "* branch %s -> FETCH_HEAD", remote);
-               return 0;
-       }
-
        if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
                if (verbose)
                        sprintf(display, "= %-*s %-*s -> %s", SUMMARY_WIDTH,
@@ -357,16 +358,19 @@ static int store_updated_refs(const char *url, struct ref *ref_map)
                        rm->merge ? "" : "not-for-merge",
                        note);
 
-               if (ref) {
+               if (ref)
                        update_local_ref(ref, what, verbose, note);
-                       if (*note) {
-                               if (!shown_url) {
-                                       fprintf(stderr, "From %.*s\n",
-                                                       url_len, url);
-                                       shown_url = 1;
-                               }
-                               fprintf(stderr, " %s\n", note);
+               else
+                       sprintf(note, "* %-*s %-*s -> FETCH_HEAD",
+                               SUMMARY_WIDTH, *kind ? kind : "branch",
+                                REFCOL_WIDTH, *what ? what : "HEAD");
+               if (*note) {
+                       if (!shown_url) {
+                               fprintf(stderr, "From %.*s\n",
+                                               url_len, url);
+                               shown_url = 1;
                        }
+                       fprintf(stderr, " %s\n", note);
                }
        }
        fclose(fp);
@@ -453,17 +457,28 @@ static int add_existing(const char *refname, const unsigned char *sha1,
        return 0;
 }
 
-static struct ref *find_non_local_tags(struct transport *transport)
+static int will_fetch(struct ref **head, const unsigned char *sha1)
+{
+       struct ref *rm = *head;
+       while (rm) {
+               if (!hashcmp(rm->old_sha1, sha1))
+                       return 1;
+               rm = rm->next;
+       }
+       return 0;
+}
+
+static void find_non_local_tags(struct transport *transport,
+                       struct ref **head,
+                       struct ref ***tail)
 {
-       static struct path_list existing_refs = { NULL, 0, 0, 0 };
+       struct path_list existing_refs = { NULL, 0, 0, 0 };
        struct path_list new_refs = { NULL, 0, 0, 1 };
        char *ref_name;
        int ref_name_len;
        const unsigned char *ref_sha1;
        const struct ref *tag_ref;
        struct ref *rm = NULL;
-       struct ref *ref_map = NULL;
-       struct ref **tail = &ref_map;
        const struct ref *ref;
 
        for_each_ref(add_existing, &existing_refs);
@@ -489,7 +504,8 @@ static struct ref *find_non_local_tags(struct transport *transport)
 
                if (!path_list_has_path(&existing_refs, ref_name) &&
                    !path_list_has_path(&new_refs, ref_name) &&
-                   has_sha1_file(ref->old_sha1)) {
+                   (has_sha1_file(ref->old_sha1) ||
+                    will_fetch(head, ref->old_sha1))) {
                        path_list_insert(ref_name, &new_refs);
 
                        rm = alloc_ref(strlen(ref_name) + 1);
@@ -498,13 +514,13 @@ static struct ref *find_non_local_tags(struct transport *transport)
                        strcpy(rm->peer_ref->name, ref_name);
                        hashcpy(rm->old_sha1, ref_sha1);
 
-                       *tail = rm;
-                       tail = &rm->next;
+                       **tail = rm;
+                       *tail = &rm->next;
                }
                free(ref_name);
        }
-
-       return ref_map;
+       path_list_clear(&existing_refs, 0);
+       path_list_clear(&new_refs, 0);
 }
 
 static int do_fetch(struct transport *transport,
@@ -537,6 +553,8 @@ static int do_fetch(struct transport *transport,
                        read_ref(rm->peer_ref->name, rm->peer_ref->old_sha1);
        }
 
+       if (tags == TAGS_DEFAULT && autotags)
+               transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
        if (fetch_refs(transport, ref_map)) {
                free_refs(ref_map);
                return 1;
@@ -546,16 +564,17 @@ static int do_fetch(struct transport *transport,
        /* if neither --no-tags nor --tags was specified, do automated tag
         * following ... */
        if (tags == TAGS_DEFAULT && autotags) {
-               ref_map = find_non_local_tags(transport);
+               struct ref **tail = &ref_map;
+               ref_map = NULL;
+               find_non_local_tags(transport, &ref_map, &tail);
                if (ref_map) {
+                       transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
                        transport_set_option(transport, TRANS_OPT_DEPTH, "0");
                        fetch_refs(transport, ref_map);
                }
                free_refs(ref_map);
        }
 
-       transport_disconnect(transport);
-
        return 0;
 }
 
@@ -576,6 +595,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
        int i;
        static const char **refs = NULL;
        int ref_nr = 0;
+       int exit_code;
 
        /* Record the command line for the reflog */
        strbuf_addstr(&default_rla, "fetch");
@@ -612,6 +632,8 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
                        if (!strcmp(argv[i], "tag")) {
                                char *ref;
                                i++;
+                               if (i >= argc)
+                                       die("You need to specify a tag name.");
                                ref = xmalloc(strlen(argv[i]) * 2 + 22);
                                strcpy(ref, "refs/tags/");
                                strcat(ref, argv[i]);
@@ -627,5 +649,9 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
 
        signal(SIGINT, unlock_pack_on_signal);
        atexit(unlock_pack);
-       return do_fetch(transport, parse_ref_spec(ref_nr, refs), ref_nr);
+       exit_code = do_fetch(transport,
+                       parse_fetch_refspec(ref_nr, refs), ref_nr);
+       transport_disconnect(transport);
+       transport = NULL;
+       return exit_code;
 }