diff options
Diffstat (limited to 'builtin/pack-objects.c')
| -rw-r--r-- | builtin/pack-objects.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 0fd52bd..5c42a1d 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1541,6 +1541,8 @@ static int pack_offset_sort(const void *_a, const void *_b) * 2. Updating our size/type to the non-delta representation. These were * either not recorded initially (size) or overwritten with the delta type * (type) when check_object() decided to reuse the delta. + * + * 3. Resetting our delta depth, as we are now a base object. */ static void drop_reused_delta(struct object_entry *entry) { @@ -1554,6 +1556,7 @@ static void drop_reused_delta(struct object_entry *entry) p = &(*p)->delta_sibling; } entry->delta = NULL; + entry->depth = 0; oi.sizep = &entry->size; oi.typep = &entry->type; @@ -1572,6 +1575,9 @@ static void drop_reused_delta(struct object_entry *entry) * Follow the chain of deltas from this entry onward, throwing away any links * that cause us to hit a cycle (as determined by the DFS state flags in * the entries). + * + * We also detect too-long reused chains that would violate our --depth + * limit. */ static void break_delta_chains(struct object_entry *entry) { @@ -1589,6 +1595,18 @@ static void break_delta_chains(struct object_entry *entry) */ entry->dfs_state = DFS_ACTIVE; break_delta_chains(entry->delta); + + /* + * Once we've recursed, our base (if we still have one) knows + * its depth, so we can compute ours (and check it against + * the limit). + */ + if (entry->delta) { + entry->depth = entry->delta->depth + 1; + if (entry->depth > depth) + drop_reused_delta(entry); + } + entry->dfs_state = DFS_DONE; break; |