diff options
Diffstat (limited to 'builtin-prune.c')
| -rw-r--r-- | builtin-prune.c | 195 |
1 files changed, 2 insertions, 193 deletions
diff --git a/builtin-prune.c b/builtin-prune.c index cd079b419c..6f0ba0d04d 100644 --- a/builtin-prune.c +++ b/builtin-prune.c @@ -1,14 +1,9 @@ #include "cache.h" -#include "refs.h" -#include "tag.h" #include "commit.h" -#include "tree.h" -#include "blob.h" -#include "tree-walk.h" #include "diff.h" #include "revision.h" #include "builtin.h" -#include "cache-tree.h" +#include "reachable.h" static const char prune_usage[] = "git-prune [-n]"; static int show_only; @@ -84,168 +79,6 @@ static void prune_object_dir(const char *path) } } -static void process_blob(struct blob *blob, - struct object_array *p, - struct name_path *path, - const char *name) -{ - struct object *obj = &blob->object; - - if (obj->flags & SEEN) - return; - obj->flags |= SEEN; - /* Nothing to do, really .. The blob lookup was the important part */ -} - -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_desc desc; - struct name_entry entry; - struct name_path me; - - if (obj->flags & SEEN) - return; - obj->flags |= SEEN; - if (parse_tree(tree) < 0) - die("bad tree object %s", sha1_to_hex(obj->sha1)); - name = xstrdup(name); - add_object(obj, p, path, name); - me.up = path; - me.elem = name; - me.elem_len = strlen(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 - process_blob(lookup_blob(entry.sha1), p, &me, entry.path); - } - free(tree->buffer); - tree->buffer = NULL; -} - -static void process_tag(struct tag *tag, struct object_array *p, const char *name) -{ - struct object *obj = &tag->object; - struct name_path me; - - if (obj->flags & SEEN) - return; - obj->flags |= SEEN; - - me.up = NULL; - me.elem = "tag:/"; - me.elem_len = 5; - - if (parse_tag(tag) < 0) - die("bad tag object %s", sha1_to_hex(obj->sha1)); - add_object(tag->tagged, p, NULL, name); -} - -static void walk_commit_list(struct rev_info *revs) -{ - int i; - struct commit *commit; - struct object_array objects = { 0, 0, NULL }; - - /* Walk all commits, process their trees */ - while ((commit = get_revision(revs)) != NULL) - process_tree(commit->tree, &objects, NULL, ""); - - /* Then walk all the pending objects, recursively processing them too */ - 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->type == OBJ_TAG) { - process_tag((struct tag *) obj, &objects, name); - continue; - } - if (obj->type == OBJ_TREE) { - process_tree((struct tree *)obj, &objects, NULL, name); - continue; - } - if (obj->type == OBJ_BLOB) { - process_blob((struct blob *)obj, &objects, NULL, name); - continue; - } - die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); - } -} - -static int add_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1, char *datail, void *cb_data) -{ - struct object *object; - struct rev_info *revs = (struct rev_info *)cb_data; - - object = parse_object(osha1); - if (object) - add_pending_object(revs, object, ""); - object = parse_object(nsha1); - if (object) - add_pending_object(revs, object, ""); - return 0; -} - -static int add_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) -{ - struct object *object = parse_object(sha1); - struct rev_info *revs = (struct rev_info *)cb_data; - - if (!object) - die("bad object ref: %s:%s", path, sha1_to_hex(sha1)); - add_pending_object(revs, object, ""); - - return 0; -} - -static int add_one_reflog(const char *path, const unsigned char *sha1, int flag, void *cb_data) -{ - for_each_reflog_ent(path, add_one_reflog_ent, cb_data); - return 0; -} - -static void add_one_tree(const unsigned char *sha1, struct rev_info *revs) -{ - struct tree *tree = lookup_tree(sha1); - add_pending_object(revs, &tree->object, ""); -} - -static void add_cache_tree(struct cache_tree *it, struct rev_info *revs) -{ - int i; - - if (it->entry_count >= 0) - add_one_tree(it->sha1, revs); - for (i = 0; i < it->subtree_nr; i++) - add_cache_tree(it->down[i]->cache_tree, revs); -} - -static void add_cache_refs(struct rev_info *revs) -{ - int i; - - read_cache(); - for (i = 0; i < active_nr; i++) { - lookup_blob(active_cache[i]->sha1); - /* - * We could add the blobs to the pending list, but quite - * frankly, we don't care. Once we've looked them up, and - * added them as objects, we've really done everything - * there is to do for a blob - */ - } - if (active_cache_tree) - add_cache_tree(active_cache_tree, revs); -} - int cmd_prune(int argc, const char **argv, const char *prefix) { int i; @@ -261,32 +94,8 @@ int cmd_prune(int argc, const char **argv, const char *prefix) } save_commit_buffer = 0; - - /* - * Set up revision parsing, and mark us as being interested - * in all object types, not just commits. - */ 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, &revs); - - /* Add all refs from the index file */ - add_cache_refs(&revs); - - /* Add all reflog info from refs */ - for_each_ref(add_one_reflog, &revs); - - /* - * Set up the revision walk - this will move all commits - * from the pending list to the commit walking list. - */ - prepare_revision_walk(&revs); - - walk_commit_list(&revs); + mark_reachable_objects(&revs, 1); prune_object_dir(get_object_directory()); |