git-branch -D: make it work even when on a yet-to-be-born branch

diff --git a/builtin-prune.c b/builtin-prune.c
index ebdecee9280ab81831b08b59b832f4fb61cdc197..8591d28b8e91c94636e9bf8b7e8ff5abcc0705e9 100644 (file)
--- a/builtin-prune.c
+++ b/builtin-prune.c
@@ -10,14 +10,21 @@
 #include "builtin.h"
 #include "cache-tree.h"
 
-static const char prune_usage[] = "git prune [-n]";
-static int show_only = 0;
+static const char prune_usage[] = "git-prune [-n]";
+static int show_only;
 static struct rev_info revs;
 
 static int prune_object(char *path, const char *filename, const unsigned char *sha1)
 {
+       char buf[20];
+       const char *type;
+
        if (show_only) {
-               printf("would prune %s/%s\n", path, filename);
+               if (sha1_object_info(sha1, buf, NULL))
+                       type = "unknown";
+               else
+                       type = buf;
+               printf("%s %s\n", sha1_to_hex(sha1), type);
                return 0;
        }
        unlink(mkpath("%s/%s", path, filename));
@@ -106,7 +113,7 @@ static void process_tree(struct tree *tree,
        obj->flags |= SEEN;
        if (parse_tree(tree) < 0)
                die("bad tree object %s", sha1_to_hex(obj->sha1));
-       name = strdup(name);
+       name = xstrdup(name);
        add_object(obj, p, path, name);
        me.up = path;
        me.elem = name;
@@ -158,15 +165,15 @@ static void walk_commit_list(struct rev_info *revs)
                struct object_array_entry *pending = revs->pending.objects + i;
                struct object *obj = pending->item;
                const char *name = pending->name;
-               if (obj->type == TYPE_TAG) {
+               if (obj->type == OBJ_TAG) {
                        process_tag((struct tag *) obj, &objects, name);
                        continue;
                }
-               if (obj->type == TYPE_TREE) {
+               if (obj->type == OBJ_TREE) {
                        process_tree((struct tree *)obj, &objects, NULL, name);
                        continue;
                }
-               if (obj->type == TYPE_BLOB) {
+               if (obj->type == OBJ_BLOB) {
                        process_blob((struct blob *)obj, &objects, NULL, name);
                        continue;
                }
@@ -174,7 +181,7 @@ static void walk_commit_list(struct rev_info *revs)
        }
 }
 
-static int add_one_ref(const char *path, const unsigned char *sha1)
+static int add_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
 {
        struct object *object = parse_object(sha1);
        if (!object)
@@ -217,7 +224,7 @@ static void add_cache_refs(void)
                add_cache_tree(active_cache_tree);
 }
 
-int cmd_prune(int argc, const char **argv, char **envp)
+int cmd_prune(int argc, const char **argv, const char *prefix)
 {
        int i;
 
@@ -234,13 +241,13 @@ int cmd_prune(int argc, const char **argv, char **envp)
         * Set up revision parsing, and mark us as being interested
         * in all object types, not just commits.
         */
-       init_revisions(&revs);
+       init_revisions(&revs, prefix);
        revs.tag_objects = 1;
        revs.blob_objects = 1;
        revs.tree_objects = 1;
 
        /* Add all external refs */
-       for_each_ref(add_one_ref);
+       for_each_ref(add_one_ref, NULL);
 
        /* Add all refs from the index file */
        add_cache_refs();
@@ -255,5 +262,7 @@ int cmd_prune(int argc, const char **argv, char **envp)
 
        prune_object_dir(get_object_directory());
 
+       sync();
+       prune_packed_objects(show_only);
        return 0;
 }