Merge branch 'jc/push-cas'

diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index b1b9b5e52aa57b62d5edb5c55f818411e64d9c90..78250eab08abf692344277e01cb94fc5f5c2f807 100644 (file)
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -30,6 +30,7 @@ static int fake_missing_tagger;
 static int use_done_feature;
 static int no_data;
 static int full_tree;
+static struct string_list extra_refs = STRING_LIST_INIT_NODUP;
 
 static int parse_opt_signed_tag_mode(const struct option *opt,
                                     const char *arg, int unset)
@@ -484,10 +485,32 @@ static void handle_tag(const char *name, struct tag *tag)
               (int)message_size, (int)message_size, message ? message : "");
 }
 
-static void get_tags_and_duplicates(struct rev_cmdline_info *info,
-                                   struct string_list *extra_refs)
+static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name)
+{
+       switch (e->item->type) {
+       case OBJ_COMMIT:
+               return (struct commit *)e->item;
+       case OBJ_TAG: {
+               struct tag *tag = (struct tag *)e->item;
+
+               /* handle nested tags */
+               while (tag && tag->object.type == OBJ_TAG) {
+                       parse_object(tag->object.sha1);
+                       string_list_append(&extra_refs, full_name)->util = tag;
+                       tag = (struct tag *)tag->tagged;
+               }
+               if (!tag)
+                       die("Tag %s points nowhere?", e->name);
+               return (struct commit *)tag;
+               break;
+       }
+       default:
+               return NULL;
+       }
+}
+
+static void get_tags_and_duplicates(struct rev_cmdline_info *info)
 {
-       struct tag *tag;
        int i;
 
        for (i = 0; i < info->nr; i++) {
@@ -502,60 +525,45 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info,
                if (dwim_ref(e->name, strlen(e->name), sha1, &full_name) != 1)
                        continue;
 
-               switch (e->item->type) {
-               case OBJ_COMMIT:
-                       commit = (struct commit *)e->item;
-                       break;
-               case OBJ_TAG:
-                       tag = (struct tag *)e->item;
-
-                       /* handle nested tags */
-                       while (tag && tag->object.type == OBJ_TAG) {
-                               parse_object(tag->object.sha1);
-                               string_list_append(extra_refs, full_name)->util = tag;
-                               tag = (struct tag *)tag->tagged;
-                       }
-                       if (!tag)
-                               die ("Tag %s points nowhere?", e->name);
-                       switch(tag->object.type) {
-                       case OBJ_COMMIT:
-                               commit = (struct commit *)tag;
-                               break;
-                       case OBJ_BLOB:
-                               export_blob(tag->object.sha1);
-                               continue;
-                       default: /* OBJ_TAG (nested tags) is already handled */
-                               warning("Tag points to object of unexpected type %s, skipping.",
-                                       typename(tag->object.type));
-                               continue;
-                       }
-                       break;
-               default:
+               commit = get_commit(e, full_name);
+               if (!commit) {
                        warning("%s: Unexpected object of type %s, skipping.",
                                e->name,
                                typename(e->item->type));
                        continue;
                }
 
+               switch(commit->object.type) {
+               case OBJ_COMMIT:
+                       break;
+               case OBJ_BLOB:
+                       export_blob(commit->object.sha1);
+                       continue;
+               default: /* OBJ_TAG (nested tags) is already handled */
+                       warning("Tag points to object of unexpected type %s, skipping.",
+                               typename(commit->object.type));
+                       continue;
+               }
+
                /*
                 * This ref will not be updated through a commit, lets make
                 * sure it gets properly updated eventually.
                 */
                if (commit->util || commit->object.flags & SHOWN)
-                       string_list_append(extra_refs, full_name)->util = commit;
+                       string_list_append(&extra_refs, full_name)->util = commit;
                if (!commit->util)
                        commit->util = full_name;
        }
 }
 
-static void handle_tags_and_duplicates(struct string_list *extra_refs)
+static void handle_tags_and_duplicates(void)
 {
        struct commit *commit;
        int i;
 
-       for (i = extra_refs->nr - 1; i >= 0; i--) {
-               const char *name = extra_refs->items[i].string;
-               struct object *object = extra_refs->items[i].util;
+       for (i = extra_refs.nr - 1; i >= 0; i--) {
+               const char *name = extra_refs.items[i].string;
+               struct object *object = extra_refs.items[i].util;
                switch (object->type) {
                case OBJ_TAG:
                        handle_tag(name, (struct tag *)object);
@@ -657,7 +665,6 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
 {
        struct rev_info revs;
        struct object_array commits = OBJECT_ARRAY_INIT;
-       struct string_list extra_refs = STRING_LIST_INIT_NODUP;
        struct commit *commit;
        char *export_filename = NULL, *import_filename = NULL;
        uint32_t lastimportid;
@@ -709,7 +716,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
        if (import_filename && revs.prune_data.nr)
                full_tree = 1;
 
-       get_tags_and_duplicates(&revs.cmdline, &extra_refs);
+       get_tags_and_duplicates(&revs.cmdline);
 
        if (prepare_revision_walk(&revs))
                die("revision walk setup failed");
@@ -725,7 +732,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
                }
        }
 
-       handle_tags_and_duplicates(&extra_refs);
+       handle_tags_and_duplicates();
 
        if (export_filename && lastimportid != last_idnum)
                export_marks(export_filename);