Signed-off-by: Andrew Gregory <[email protected]>
---

This patch obviously won't do any good until packages start being built with
their file lists presorted, so we may want to defer it, but in the handful of
packages I tested, it did not cause a significant delay either.

 lib/libalpm/filelist.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/libalpm/filelist.c b/lib/libalpm/filelist.c
index 318b2b7..f6fdf37 100644
--- a/lib/libalpm/filelist.c
+++ b/lib/libalpm/filelist.c
@@ -135,8 +135,15 @@ alpm_file_t SYMEXPORT 
*alpm_filelist_contains(alpm_filelist_t *filelist,
 
 void _alpm_filelist_sort(alpm_filelist_t *filelist)
 {
-       qsort(filelist->files, filelist->count,
-                       sizeof(alpm_file_t), _alpm_files_cmp);
+       size_t i;
+       for(i = 1; i < filelist->count; i++) {
+               if(strcmp(filelist->files[i - 1].name, filelist->files[i].name) 
> 0) {
+                       /* filelist is not pre-sorted */
+                       qsort(filelist->files, filelist->count,
+                                       sizeof(alpm_file_t), _alpm_files_cmp);
+                       return;
+               }
+       }
 }
 
 /* vim: set noet: */
-- 
2.10.2

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