[PATCH v2 1/3] dir: fix outdated comment on add_patterns()

[Matheus Tavares <matheus.bernardino@usp.br>]

In 4b33e60 ("dir: convert struct sha1_stat to use object_id",
2018-01-28), the struct sha1_stat was converted to oid_stat. In this
process, add_patterns() also learned to use the new struct definition.
However, the comments in this function still refers to "ss" (i.e. the
old sha1_stat). Update that.

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
---
 dir.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/dir.c b/dir.c
index 0ffb1b3302..ab2e5b8717 100644
--- a/dir.c
+++ b/dir.c
@@ -1015,9 +1015,10 @@ static int add_patterns_from_buffer(char *buf, size_t size,
  * an index if 'istate' is non-null), parse it and store the
  * exclude rules in "pl".
  *
- * If "ss" is not NULL, compute SHA-1 of the exclude file and fill
+ * If oid_stat is not NULL, compute OID of the exclude file and fill
  * stat data from disk (only valid if add_patterns returns zero). If
- * ss_valid is non-zero, "ss" must contain good value as input.
+ * oid_stat->valid is non-zero, oid_stat must contain good value as
+ * input.
  */
 static int add_patterns(const char *fname, const char *base, int baselen,
 			struct pattern_list *pl, struct index_state *istate,
@@ -1065,7 +1066,7 @@ static int add_patterns(const char *fname, const char *base, int baselen,
 			int pos;
 			if (oid_stat->valid &&
 			    !match_stat_data_racy(istate, &oid_stat->stat, &st))
-				; /* no content change, ss->sha1 still good */
+				; /* no content change, oid_stat->oid still good */
 			else if (istate &&
 				 (pos = index_name_pos(istate, fname, strlen(fname))) >= 0 &&
 				 !ce_stage(istate->cache[pos]) &&
-- 
2.25.1