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-rw-r--r--read-cache.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/read-cache.c b/read-cache.c
index a363f312c..e060392d1 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -380,7 +380,7 @@ static int index_name_pos_also_unmerged(struct index_state *istate,
int add_file_to_index(struct index_state *istate, const char *path, int verbose)
{
- int size, namelen;
+ int size, namelen, pos;
struct stat st;
struct cache_entry *ce;
@@ -414,6 +414,15 @@ int add_file_to_index(struct index_state *istate, const char *path, int verbose)
ce->ce_mode = ce_mode_from_stat(ent, st.st_mode);
}
+ pos = index_name_pos(istate, ce->name, namelen);
+ if (0 <= pos &&
+ !ce_stage(istate->cache[pos]) &&
+ !ie_modified(istate, istate->cache[pos], &st, 1)) {
+ /* Nothing changed, really */
+ free(ce);
+ return 0;
+ }
+
if (index_path(ce->sha1, path, &st, 1))
die("unable to index file %s", path);
if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE))