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reachable: per-object progress 

The current progress code really just counts commits.
This patch makes it count all objects, giving us a "total"
count close to what a repack would show. This is nice when
using "git gc", which will usually have just repacked the
whole repo.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2011-11-08 00:37:00 -05:00 committed by Junio C Hamano
parent bf0a59b387
commit 0b26abc0f5
1 changed files with 37 additions and 14 deletions
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51
reachable.c
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@ -9,10 +9,23 @@
#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;
@ -21,6 +34,7 @@ static void process_blob(struct blob *blob,
if (obj->flags & SEEN)
return;
obj->flags |= SEEN;
update_progress(cp);
/* Nothing to do, really .. The blob lookup was the important part */
}
@ -35,7 +49,8 @@ static void process_gitlink(const unsigned char *sha1,
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;
@ -47,6 +62,7 @@ static void process_tree(struct tree *tree,
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));
add_object(obj, p, path, name);
@ -58,23 +74,25 @@ 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;
}
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;
if (obj->flags & SEEN)
return;
obj->flags |= SEEN;
update_progress(cp);
if (parse_tag(tag) < 0)
die("bad tag object %s", sha1_to_hex(obj->sha1));
@ -82,17 +100,17 @@ static void process_tag(struct tag *tag, struct object_array *p, const char *nam
add_object(tag->tagged, p, NULL, name);
}
static void walk_commit_list(struct rev_info *revs, struct progress *progress)
static void walk_commit_list(struct rev_info *revs,
struct connectivity_progress *cp)
{
int i;
struct commit *commit;
struct object_array objects = OBJECT_ARRAY_INIT;
uint32_t count = 0;
/* Walk all commits, process their trees */
while ((commit = get_revision(revs)) != NULL) {
process_tree(commit->tree, &objects, NULL, "");
display_progress(progress, ++count);
process_tree(commit->tree, &objects, NULL, "", cp);
update_progress(cp);
}
/* Then walk all the pending objects, recursively processing them too */
@ -100,17 +118,16 @@ static void walk_commit_list(struct rev_info *revs, struct progress *progress)
struct object_array_entry *pending = revs->pending.objects + i;
struct object *obj = pending->item;
const char *name = pending->name;
display_progress(progress, ++count);
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);
@ -199,6 +216,8 @@ static void add_cache_refs(struct rev_info *revs)
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.
@ -217,11 +236,15 @@ void mark_reachable_objects(struct rev_info *revs, int mark_reflog,
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.
*/
if (prepare_revision_walk(revs))
die("revision walk setup failed");
walk_commit_list(revs, progress);
walk_commit_list(revs, &cp);
display_progress(cp.progress, cp.count);
}