ui-log: Add "commit-sort" option for controlling commit ordering

This makes it possible to use strict commit date ordering or strict
topological ordering by passing the corresponding flags to "git log".

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 file changed, 9 insertions, 1 deletion

diff --git a/ui-log.c b/ui-log.c
index 6b12ca2..2f41602 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -278,7 +278,7 @@ static char *next_token(char **src)
 }
 
 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
-		    char *path, int pager, int commit_graph)
+		    char *path, int pager, int commit_graph, int commit_sort)
 {
 	struct rev_info rev;
 	struct commit *commit;
@@ -327,6 +327,14 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 					COLUMN_COLORS_HTML_MAX);
 	}
 
+	if (commit_sort == 1) {
+		static const char *date_order_arg = "--date-order";
+		vector_push(&vec, &date_order_arg, 0);
+	} else if (commit_sort == 2) {
+		static const char *topo_order_arg = "--topo-order";
+		vector_push(&vec, &topo_order_arg, 0);
+	}
+
 	if (path) {
 		arg = "--";
 		vector_push(&vec, &arg, 0);