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>

cmd.c

@@ -68,7 +68,8 @@ static void log_fn(struct cgit_context *ctx)
 {
 	cgit_print_log(ctx->qry.sha1, ctx->qry.ofs, ctx->cfg.max_commit_count,
 		       ctx->qry.grep, ctx->qry.search, ctx->qry.path, 1,
-		       ctx->repo->enable_commit_graph);
+		       ctx->repo->enable_commit_graph,
+		       ctx->repo->commit_sort);
 }
 
 static void ls_cache_fn(struct cgit_context *ctx)