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-rw-r--r--read-cache.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/read-cache.c b/read-cache.c
index 977921d..d05eb72 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -2538,6 +2538,12 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock,
int new_shared_index, ret;
struct split_index *si = istate->split_index;
+ if ((flags & SKIP_IF_UNCHANGED) && !istate->cache_changed) {
+ if (flags & COMMIT_LOCK)
+ rollback_lock_file(lock);
+ return 0;
+ }
+
if (istate->fsmonitor_last_update)
fill_fsmonitor_bitmap(istate);