9
4
#include "revision.h"
10
5
#include "builtin.h"
11
#include "cache-tree.h"
13
8
static const char prune_usage[] = "git-prune [-n]";
14
9
static int show_only;
15
static struct rev_info revs;
17
11
static int prune_object(char *path, const char *filename, const unsigned char *sha1)
20
printf("would prune %s/%s\n", path, filename);
23
unlink(mkpath("%s/%s", path, filename));
14
enum object_type type = sha1_object_info(sha1, NULL);
15
printf("%s %s\n", sha1_to_hex(sha1),
16
(type > 0) ? typename(type) : "unknown");
18
unlink(mkpath("%s/%s", path, filename));
81
static void process_blob(struct blob *blob,
82
struct object_array *p,
83
struct name_path *path,
86
struct object *obj = &blob->object;
88
if (obj->flags & SEEN)
91
/* Nothing to do, really .. The blob lookup was the important part */
94
static void process_tree(struct tree *tree,
95
struct object_array *p,
96
struct name_path *path,
99
struct object *obj = &tree->object;
100
struct tree_desc desc;
101
struct name_entry entry;
104
if (obj->flags & SEEN)
107
if (parse_tree(tree) < 0)
108
die("bad tree object %s", sha1_to_hex(obj->sha1));
109
name = xstrdup(name);
110
add_object(obj, p, path, name);
113
me.elem_len = strlen(name);
115
desc.buf = tree->buffer;
116
desc.size = tree->size;
118
while (tree_entry(&desc, &entry)) {
119
if (S_ISDIR(entry.mode))
120
process_tree(lookup_tree(entry.sha1), p, &me, entry.path);
122
process_blob(lookup_blob(entry.sha1), p, &me, entry.path);
128
static void process_tag(struct tag *tag, struct object_array *p, const char *name)
130
struct object *obj = &tag->object;
133
if (obj->flags & SEEN)
141
if (parse_tag(tag) < 0)
142
die("bad tag object %s", sha1_to_hex(obj->sha1));
143
add_object(tag->tagged, p, NULL, name);
146
static void walk_commit_list(struct rev_info *revs)
149
struct commit *commit;
150
struct object_array objects = { 0, 0, NULL };
152
/* Walk all commits, process their trees */
153
while ((commit = get_revision(revs)) != NULL)
154
process_tree(commit->tree, &objects, NULL, "");
156
/* Then walk all the pending objects, recursively processing them too */
157
for (i = 0; i < revs->pending.nr; i++) {
158
struct object_array_entry *pending = revs->pending.objects + i;
159
struct object *obj = pending->item;
160
const char *name = pending->name;
161
if (obj->type == OBJ_TAG) {
162
process_tag((struct tag *) obj, &objects, name);
165
if (obj->type == OBJ_TREE) {
166
process_tree((struct tree *)obj, &objects, NULL, name);
169
if (obj->type == OBJ_BLOB) {
170
process_blob((struct blob *)obj, &objects, NULL, name);
173
die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
177
static int add_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
179
struct object *object = parse_object(sha1);
181
die("bad object ref: %s:%s", path, sha1_to_hex(sha1));
182
add_pending_object(&revs, object, "");
186
static void add_one_tree(const unsigned char *sha1)
188
struct tree *tree = lookup_tree(sha1);
189
add_pending_object(&revs, &tree->object, "");
192
static void add_cache_tree(struct cache_tree *it)
196
if (it->entry_count >= 0)
197
add_one_tree(it->sha1);
198
for (i = 0; i < it->subtree_nr; i++)
199
add_cache_tree(it->down[i]->cache_tree);
202
static void add_cache_refs(void)
207
for (i = 0; i < active_nr; i++) {
208
lookup_blob(active_cache[i]->sha1);
210
* We could add the blobs to the pending list, but quite
211
* frankly, we don't care. Once we've looked them up, and
212
* added them as objects, we've really done everything
213
* there is to do for a blob
216
if (active_cache_tree)
217
add_cache_tree(active_cache_tree);
220
77
int cmd_prune(int argc, const char **argv, const char *prefix)
224
82
for (i = 1; i < argc; i++) {
225
83
const char *arg = argv[i];
230
88
usage(prune_usage);
234
* Set up revision parsing, and mark us as being interested
235
* in all object types, not just commits.
91
save_commit_buffer = 0;
237
92
init_revisions(&revs, prefix);
238
revs.tag_objects = 1;
239
revs.blob_objects = 1;
240
revs.tree_objects = 1;
242
/* Add all external refs */
243
for_each_ref(add_one_ref, NULL);
245
/* Add all refs from the index file */
249
* Set up the revision walk - this will move all commits
250
* from the pending list to the commit walking list.
252
prepare_revision_walk(&revs);
254
walk_commit_list(&revs);
93
mark_reachable_objects(&revs, 1);
256
95
prune_object_dir(get_object_directory());