9 #include "cache-tree.h"
11 #include "list-objects.h"
13 struct connectivity_progress
{
14 struct progress
*progress
;
18 static void update_progress(struct connectivity_progress
*cp
)
21 if ((cp
->count
& 1023) == 0)
22 display_progress(cp
->progress
, cp
->count
);
25 static int add_one_ref(const char *path
, const unsigned char *sha1
, int flag
, void *cb_data
)
27 struct object
*object
= parse_object_or_die(sha1
, path
);
28 struct rev_info
*revs
= (struct rev_info
*)cb_data
;
30 add_pending_object(revs
, object
, "");
35 static void add_one_tree(const unsigned char *sha1
, struct rev_info
*revs
)
37 struct tree
*tree
= lookup_tree(sha1
);
39 add_pending_object(revs
, &tree
->object
, "");
42 static void add_cache_tree(struct cache_tree
*it
, struct rev_info
*revs
)
46 if (it
->entry_count
>= 0)
47 add_one_tree(it
->sha1
, revs
);
48 for (i
= 0; i
< it
->subtree_nr
; i
++)
49 add_cache_tree(it
->down
[i
]->cache_tree
, revs
);
52 static void add_cache_refs(struct rev_info
*revs
)
57 for (i
= 0; i
< active_nr
; i
++) {
61 * The index can contain blobs and GITLINKs, GITLINKs are hashes
62 * that don't actually point to objects in the repository, it's
63 * almost guaranteed that they are NOT blobs, so we don't call
64 * lookup_blob() on them, to avoid populating the hash table
65 * with invalid information
67 if (S_ISGITLINK(active_cache
[i
]->ce_mode
))
70 blob
= lookup_blob(active_cache
[i
]->sha1
);
72 blob
->object
.flags
|= SEEN
;
75 * We could add the blobs to the pending list, but quite
76 * frankly, we don't care. Once we've looked them up, and
77 * added them as objects, we've really done everything
78 * there is to do for a blob
81 if (active_cache_tree
)
82 add_cache_tree(active_cache_tree
, revs
);
86 * The traversal will have already marked us as SEEN, so we
87 * only need to handle any progress reporting here.
89 static void mark_object(struct object
*obj
, const struct name_path
*path
,
90 const char *name
, void *data
)
92 update_progress(data
);
95 static void mark_commit(struct commit
*c
, void *data
)
97 mark_object(&c
->object
, NULL
, NULL
, data
);
100 void mark_reachable_objects(struct rev_info
*revs
, int mark_reflog
,
101 struct progress
*progress
)
103 struct connectivity_progress cp
;
106 * Set up revision parsing, and mark us as being interested
107 * in all object types, not just commits.
109 revs
->tag_objects
= 1;
110 revs
->blob_objects
= 1;
111 revs
->tree_objects
= 1;
113 /* Add all refs from the index file */
114 add_cache_refs(revs
);
116 /* Add all external refs */
117 for_each_ref(add_one_ref
, revs
);
119 /* detached HEAD is not included in the list above */
120 head_ref(add_one_ref
, revs
);
122 /* Add all reflog info */
124 add_reflogs_to_pending(revs
, 0);
126 cp
.progress
= progress
;
130 * Set up the revision walk - this will move all commits
131 * from the pending list to the commit walking list.
133 if (prepare_revision_walk(revs
))
134 die("revision walk setup failed");
135 traverse_commit_list(revs
, mark_commit
, mark_object
, &cp
);
136 display_progress(cp
.progress
, cp
.count
);