Do not try futile object pairs when repacking.

[git.git] / builtin-rev-list.c

diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index f11dbd65c14a196f92c98d5c16be0cda74a1edf1..63bad0e96ade657bef21d9ca0e0de2e0ba8af61c 100644 (file)
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -89,99 +89,113 @@ static void show_commit(struct commit *commit)
                printf("%s%c", pretty_header, hdr_termination);
        }
        fflush(stdout);
+       if (commit->parents) {
+               free_commit_list(commit->parents);
+               commit->parents = NULL;
+       }
+       if (commit->buffer) {
+               free(commit->buffer);
+               commit->buffer = NULL;
+       }
 }
 
-static struct object_list **process_blob(struct blob *blob,
-                                        struct object_list **p,
-                                        struct name_path *path,
-                                        const char *name)
+static void process_blob(struct blob *blob,
+                        struct object_array *p,
+                        struct name_path *path,
+                        const char *name)
 {
        struct object *obj = &blob->object;
 
        if (!revs.blob_objects)
-               return p;
+               return;
        if (obj->flags & (UNINTERESTING | SEEN))
-               return p;
+               return;
        obj->flags |= SEEN;
-       return add_object(obj, p, path, name);
+       name = strdup(name);
+       add_object(obj, p, path, name);
 }
 
-static struct object_list **process_tree(struct tree *tree,
-                                        struct object_list **p,
-                                        struct name_path *path,
-                                        const char *name)
+static void process_tree(struct tree *tree,
+                        struct object_array *p,
+                        struct name_path *path,
+                        const char *name)
 {
        struct object *obj = &tree->object;
-       struct tree_entry_list *entry;
+       struct tree_desc desc;
+       struct name_entry entry;
        struct name_path me;
 
        if (!revs.tree_objects)
-               return p;
+               return;
        if (obj->flags & (UNINTERESTING | SEEN))
-               return p;
+               return;
        if (parse_tree(tree) < 0)
                die("bad tree object %s", sha1_to_hex(obj->sha1));
        obj->flags |= SEEN;
-       p = add_object(obj, p, path, name);
+       name = strdup(name);
+       add_object(obj, p, path, name);
        me.up = path;
        me.elem = name;
        me.elem_len = strlen(name);
-       entry = tree->entries;
-       tree->entries = NULL;
-       while (entry) {
-               struct tree_entry_list *next = entry->next;
-               if (entry->directory)
-                       p = process_tree(entry->item.tree, p, &me, entry->name);
+
+       desc.buf = tree->buffer;
+       desc.size = tree->size;
+
+       while (tree_entry(&desc, &entry)) {
+               if (S_ISDIR(entry.mode))
+                       process_tree(lookup_tree(entry.sha1), p, &me, entry.path);
                else
-                       p = process_blob(entry->item.blob, p, &me, entry->name);
-               free(entry);
-               entry = next;
+                       process_blob(lookup_blob(entry.sha1), p, &me, entry.path);
        }
-       return p;
+       free(tree->buffer);
+       tree->buffer = NULL;
 }
 
 static void show_commit_list(struct rev_info *revs)
 {
+       int i;
        struct commit *commit;
-       struct object_list *objects = NULL, **p = &objects, *pending;
+       struct object_array objects = { 0, 0, NULL };
 
        while ((commit = get_revision(revs)) != NULL) {
-               p = process_tree(commit->tree, p, NULL, "");
+               process_tree(commit->tree, &objects, NULL, "");
                show_commit(commit);
        }
-       for (pending = revs->pending_objects; pending; pending = pending->next) {
+       for (i = 0; i < revs->pending.nr; i++) {
+               struct object_array_entry *pending = revs->pending.objects + i;
                struct object *obj = pending->item;
                const char *name = pending->name;
                if (obj->flags & (UNINTERESTING | SEEN))
                        continue;
-               if (obj->type == tag_type) {
+               if (obj->type == TYPE_TAG) {
                        obj->flags |= SEEN;
-                       p = add_object(obj, p, NULL, name);
+                       add_object_array(obj, name, &objects);
                        continue;
                }
-               if (obj->type == tree_type) {
-                       p = process_tree((struct tree *)obj, p, NULL, name);
+               if (obj->type == TYPE_TREE) {
+                       process_tree((struct tree *)obj, &objects, NULL, name);
                        continue;
                }
-               if (obj->type == blob_type) {
-                       p = process_blob((struct blob *)obj, p, NULL, name);
+               if (obj->type == TYPE_BLOB) {
+                       process_blob((struct blob *)obj, &objects, NULL, name);
                        continue;
                }
                die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
        }
-       while (objects) {
+       for (i = 0; i < objects.nr; i++) {
+               struct object_array_entry *p = objects.objects + i;
+
                /* An object with name "foo\n0000000..." can be used to
                 * confuse downstream git-pack-objects very badly.
                 */
-               const char *ep = strchr(objects->name, '\n');
+               const char *ep = strchr(p->name, '\n');
                if (ep) {
-                       printf("%s %.*s\n", sha1_to_hex(objects->item->sha1),
-                              (int) (ep - objects->name),
-                              objects->name);
+                       printf("%s %.*s\n", sha1_to_hex(p->item->sha1),
+                              (int) (ep - p->name),
+                              p->name);
                }
                else
-                       printf("%s %s\n", sha1_to_hex(objects->item->sha1), objects->name);
-               objects = objects->next;
+                       printf("%s %s\n", sha1_to_hex(p->item->sha1), p->name);
        }
 }
 
@@ -336,7 +350,7 @@ int cmd_rev_list(int argc, const char **argv, char **envp)
 
        if ((!list &&
             (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) &&
-             !revs.pending_objects)) ||
+             !revs.pending.nr)) ||
            revs.diff)
                usage(rev_list_usage);