Merge branch 'jk/ref-filter-discard-commit-buffer'

* jk/ref-filter-discard-commit-buffer:
  ref-filter: disable save_commit_buffer while traversing

Author: gitster

ref-filter.c

@@ -2405,13 +2405,17 @@ static void reach_filter(struct ref_array *array,
 int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type)
 {
 	struct ref_filter_cbdata ref_cbdata;
+	int save_commit_buffer_orig;
 	int ret = 0;
 
 	ref_cbdata.array = array;
 	ref_cbdata.filter = filter;
 
 	filter->kind = type & FILTER_REFS_KIND_MASK;
 
+	save_commit_buffer_orig = save_commit_buffer;
+	save_commit_buffer = 0;
+
 	init_contains_cache(&ref_cbdata.contains_cache);
 	init_contains_cache(&ref_cbdata.no_contains_cache);
 
@@ -2444,6 +2448,7 @@ int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int
 	reach_filter(array, filter->reachable_from, INCLUDE_REACHED);
 	reach_filter(array, filter->unreachable_from, EXCLUDE_REACHED);
 
+	save_commit_buffer = save_commit_buffer_orig;
 	return ret;
 }