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-rw-r--r--builtin/pack-objects.c84
1 files changed, 63 insertions, 21 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index a9c67c18ba..558cd34bcc 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -454,8 +454,8 @@ static int mark_tagged(const char *path, const unsigned char *sha1, int flag,
return 0;
}
-static void add_to_write_order(struct object_entry **wo,
- int *endp,
+static inline void add_to_write_order(struct object_entry **wo,
+ unsigned int *endp,
struct object_entry *e)
{
if (e->filled)
@@ -465,32 +465,62 @@ static void add_to_write_order(struct object_entry **wo,
}
static void add_descendants_to_write_order(struct object_entry **wo,
- int *endp,
+ unsigned int *endp,
struct object_entry *e)
{
- struct object_entry *child;
-
- for (child = e->delta_child; child; child = child->delta_sibling)
- add_to_write_order(wo, endp, child);
- for (child = e->delta_child; child; child = child->delta_sibling)
- add_descendants_to_write_order(wo, endp, child);
+ int add_to_order = 1;
+ while (e) {
+ if (add_to_order) {
+ struct object_entry *s;
+ /* add this node... */
+ add_to_write_order(wo, endp, e);
+ /* all its siblings... */
+ for (s = e->delta_sibling; s; s = s->delta_sibling) {
+ add_to_write_order(wo, endp, s);
+ }
+ }
+ /* drop down a level to add left subtree nodes if possible */
+ if (e->delta_child) {
+ add_to_order = 1;
+ e = e->delta_child;
+ } else {
+ add_to_order = 0;
+ /* our sibling might have some children, it is next */
+ if (e->delta_sibling) {
+ e = e->delta_sibling;
+ continue;
+ }
+ /* go back to our parent node */
+ e = e->delta;
+ while (e && !e->delta_sibling) {
+ /* we're on the right side of a subtree, keep
+ * going up until we can go right again */
+ e = e->delta;
+ }
+ if (!e) {
+ /* done- we hit our original root node */
+ return;
+ }
+ /* pass it off to sibling at this level */
+ e = e->delta_sibling;
+ }
+ };
}
static void add_family_to_write_order(struct object_entry **wo,
- int *endp,
+ unsigned int *endp,
struct object_entry *e)
{
struct object_entry *root;
for (root = e; root->delta; root = root->delta)
; /* nothing */
- add_to_write_order(wo, endp, root);
add_descendants_to_write_order(wo, endp, root);
}
static struct object_entry **compute_write_order(void)
{
- int i, wo_end;
+ unsigned int i, wo_end, last_untagged;
struct object_entry **wo = xmalloc(nr_objects * sizeof(*wo));
@@ -506,8 +536,8 @@ static struct object_entry **compute_write_order(void)
* Make sure delta_sibling is sorted in the original
* recency order.
*/
- for (i = nr_objects - 1; 0 <= i; i--) {
- struct object_entry *e = &objects[i];
+ for (i = nr_objects; i > 0;) {
+ struct object_entry *e = &objects[--i];
if (!e->delta)
continue;
/* Mark me as the first child */
@@ -521,7 +551,7 @@ static struct object_entry **compute_write_order(void)
for_each_tag_ref(mark_tagged, NULL);
/*
- * Give the commits in the original recency order until
+ * Give the objects in the original recency order until
* we see a tagged tip.
*/
for (i = wo_end = 0; i < nr_objects; i++) {
@@ -529,6 +559,7 @@ static struct object_entry **compute_write_order(void)
break;
add_to_write_order(wo, &wo_end, &objects[i]);
}
+ last_untagged = i;
/*
* Then fill all the tagged tips.
@@ -541,7 +572,7 @@ static struct object_entry **compute_write_order(void)
/*
* And then all remaining commits and tags.
*/
- for (i = 0; i < nr_objects; i++) {
+ for (i = last_untagged; i < nr_objects; i++) {
if (objects[i].type != OBJ_COMMIT &&
objects[i].type != OBJ_TAG)
continue;
@@ -551,7 +582,7 @@ static struct object_entry **compute_write_order(void)
/*
* And then all the trees.
*/
- for (i = 0; i < nr_objects; i++) {
+ for (i = last_untagged; i < nr_objects; i++) {
if (objects[i].type != OBJ_TREE)
continue;
add_to_write_order(wo, &wo_end, &objects[i]);
@@ -560,8 +591,13 @@ static struct object_entry **compute_write_order(void)
/*
* Finally all the rest in really tight order
*/
- for (i = 0; i < nr_objects; i++)
- add_family_to_write_order(wo, &wo_end, &objects[i]);
+ for (i = last_untagged; i < nr_objects; i++) {
+ if (!objects[i].filled)
+ add_family_to_write_order(wo, &wo_end, &objects[i]);
+ }
+
+ if (wo_end != nr_objects)
+ die("ordered %u objects, expected %"PRIu32, wo_end, nr_objects);
return wo;
}
@@ -804,6 +840,10 @@ static int add_object_entry(const unsigned char *sha1, enum object_type type,
off_t offset = find_pack_entry_one(sha1, p);
if (offset) {
if (!found_pack) {
+ if (!is_pack_valid(p)) {
+ warning("packfile %s cannot be accessed", p->pack_name);
+ continue;
+ }
found_offset = offset;
found_pack = p;
}
@@ -975,7 +1015,7 @@ static void add_pbase_object(struct tree_desc *tree,
while (tree_entry(tree,&entry)) {
if (S_ISGITLINK(entry.mode))
continue;
- cmp = tree_entry_len(entry.path, entry.sha1) != cmplen ? 1 :
+ cmp = tree_entry_len(&entry) != cmplen ? 1 :
memcmp(name, entry.path, cmplen);
if (cmp > 0)
continue;
@@ -2073,7 +2113,9 @@ static void show_commit(struct commit *commit, void *data)
commit->object.flags |= OBJECT_ADDED;
}
-static void show_object(struct object *obj, const struct name_path *path, const char *last)
+static void show_object(struct object *obj,
+ const struct name_path *path, const char *last,
+ void *data)
{
char *name = path_name(path, last);