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-rw-r--r--reachable.c106
1 files changed, 78 insertions, 28 deletions
diff --git a/reachable.c b/reachable.c
index ff3dd34962..6f6835bf27 100644
--- a/reachable.c
+++ b/reachable.c
@@ -7,36 +7,64 @@
#include "revision.h"
#include "reachable.h"
#include "cache-tree.h"
+#include "progress.h"
+
+struct connectivity_progress {
+ struct progress *progress;
+ unsigned long count;
+};
+
+static void update_progress(struct connectivity_progress *cp)
+{
+ cp->count++;
+ if ((cp->count & 1023) == 0)
+ display_progress(cp->progress, cp->count);
+}
static void process_blob(struct blob *blob,
struct object_array *p,
struct name_path *path,
- const char *name)
+ const char *name,
+ struct connectivity_progress *cp)
{
struct object *obj = &blob->object;
+ if (!blob)
+ die("bad blob object");
if (obj->flags & SEEN)
return;
obj->flags |= SEEN;
+ update_progress(cp);
/* Nothing to do, really .. The blob lookup was the important part */
}
+static void process_gitlink(const unsigned char *sha1,
+ struct object_array *p,
+ struct name_path *path,
+ const char *name)
+{
+ /* I don't think we want to recurse into this, really. */
+}
+
static void process_tree(struct tree *tree,
struct object_array *p,
struct name_path *path,
- const char *name)
+ const char *name,
+ struct connectivity_progress *cp)
{
struct object *obj = &tree->object;
struct tree_desc desc;
struct name_entry entry;
struct name_path me;
+ if (!tree)
+ die("bad tree object");
if (obj->flags & SEEN)
return;
obj->flags |= SEEN;
+ update_progress(cp);
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;
@@ -46,41 +74,43 @@ static void process_tree(struct tree *tree,
while (tree_entry(&desc, &entry)) {
if (S_ISDIR(entry.mode))
- process_tree(lookup_tree(entry.sha1), p, &me, entry.path);
+ process_tree(lookup_tree(entry.sha1), p, &me, entry.path, cp);
+ else if (S_ISGITLINK(entry.mode))
+ process_gitlink(entry.sha1, p, &me, entry.path);
else
- process_blob(lookup_blob(entry.sha1), p, &me, entry.path);
+ process_blob(lookup_blob(entry.sha1), p, &me, entry.path, cp);
}
- free(tree->buffer);
- tree->buffer = NULL;
+ free_tree_buffer(tree);
}
-static void process_tag(struct tag *tag, struct object_array *p, const char *name)
+static void process_tag(struct tag *tag, struct object_array *p,
+ const char *name, struct connectivity_progress *cp)
{
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;
+ update_progress(cp);
if (parse_tag(tag) < 0)
die("bad tag object %s", sha1_to_hex(obj->sha1));
- add_object(tag->tagged, p, NULL, name);
+ if (tag->tagged)
+ add_object(tag->tagged, p, NULL, name);
}
-static void walk_commit_list(struct rev_info *revs)
+static void walk_commit_list(struct rev_info *revs,
+ struct connectivity_progress *cp)
{
int i;
struct commit *commit;
- struct object_array objects = { 0, 0, NULL };
+ struct object_array objects = OBJECT_ARRAY_INIT;
/* Walk all commits, process their trees */
- while ((commit = get_revision(revs)) != NULL)
- process_tree(commit->tree, &objects, NULL, "");
+ while ((commit = get_revision(revs)) != NULL) {
+ process_tree(commit->tree, &objects, NULL, "", cp);
+ update_progress(cp);
+ }
/* Then walk all the pending objects, recursively processing them too */
for (i = 0; i < revs->pending.nr; i++) {
@@ -88,15 +118,15 @@ static void walk_commit_list(struct rev_info *revs)
struct object *obj = pending->item;
const char *name = pending->name;
if (obj->type == OBJ_TAG) {
- process_tag((struct tag *) obj, &objects, name);
+ process_tag((struct tag *) obj, &objects, name, cp);
continue;
}
if (obj->type == OBJ_TREE) {
- process_tree((struct tree *)obj, &objects, NULL, name);
+ process_tree((struct tree *)obj, &objects, NULL, name, cp);
continue;
}
if (obj->type == OBJ_BLOB) {
- process_blob((struct blob *)obj, &objects, NULL, name);
+ process_blob((struct blob *)obj, &objects, NULL, name, cp);
continue;
}
die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
@@ -121,11 +151,9 @@ static int add_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
static int add_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
- struct object *object = parse_object(sha1);
+ struct object *object = parse_object_or_die(sha1, path);
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;
@@ -140,7 +168,8 @@ static int add_one_reflog(const char *path, const unsigned char *sha1, int flag,
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, "");
+ if (tree)
+ add_pending_object(revs, &tree->object, "");
}
static void add_cache_tree(struct cache_tree *it, struct rev_info *revs)
@@ -159,6 +188,16 @@ static void add_cache_refs(struct rev_info *revs)
read_cache();
for (i = 0; i < active_nr; i++) {
+ /*
+ * The index can contain blobs and GITLINKs, GITLINKs are hashes
+ * that don't actually point to objects in the repository, it's
+ * almost guaranteed that they are NOT blobs, so we don't call
+ * lookup_blob() on them, to avoid populating the hash table
+ * with invalid information
+ */
+ if (S_ISGITLINK(active_cache[i]->ce_mode))
+ continue;
+
lookup_blob(active_cache[i]->sha1);
/*
* We could add the blobs to the pending list, but quite
@@ -171,8 +210,11 @@ static void add_cache_refs(struct rev_info *revs)
add_cache_tree(active_cache_tree, revs);
}
-void mark_reachable_objects(struct rev_info *revs, int mark_reflog)
+void mark_reachable_objects(struct rev_info *revs, int mark_reflog,
+ struct progress *progress)
{
+ struct connectivity_progress cp;
+
/*
* Set up revision parsing, and mark us as being interested
* in all object types, not just commits.
@@ -187,14 +229,22 @@ void mark_reachable_objects(struct rev_info *revs, int mark_reflog)
/* Add all external refs */
for_each_ref(add_one_ref, revs);
+ /* detached HEAD is not included in the list above */
+ head_ref(add_one_ref, revs);
+
/* Add all reflog info */
if (mark_reflog)
for_each_reflog(add_one_reflog, revs);
+ cp.progress = progress;
+ cp.count = 0;
+
/*
* 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);
+ if (prepare_revision_walk(revs))
+ die("revision walk setup failed");
+ walk_commit_list(revs, &cp);
+ display_progress(cp.progress, cp.count);
}