Inserting items into a list in sorted order is O(N^2) whereas
appending them unsorted and then sorting the list all at once is
O(N lg N).
string_list_insert() also removes duplicates, and this change loses
that functionality. But the strings in this list, which ultimately
come from a for_each_ref() iteration, cannot contain duplicates.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
Reviewed-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
builtin/remote.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/builtin/remote.c b/builtin/remote.c
index d5a5a16..7d5c8d2 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -1341,8 +1341,9 @@ static int prune_remote(const char *remote, int dry_run)
const char *refname = states.stale.items[i].util;
delete_refs[i] = refname;
- string_list_insert(&delete_refs_list, refname);
+ string_list_append(&delete_refs_list, refname);
}
+ sort_string_list(&delete_refs_list);
if (!dry_run) {
struct strbuf err = STRBUF_INIT;
--
2.1.3
--
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