ui-snapshot: add option to disable prefixHEADmaster

Hi everyone, it is me, ui snapshot prefix remover 3000 here today coming
at you with another git patch

1 files changed, 7 insertions, 1 deletions

diff --git a/ui-snapshot.c b/ui-snapshot.c
index 3e38cd5..acae68c 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -308,11 +308,17 @@ void cgit_print_snapshot(const char *head, const char *hex,
 	if (!prefix)
 		prefix = xstrdup(cgit_snapshot_prefix(ctx.repo));
 
+	if (!ctx.cfg.enable_snapshot_prefix && !ctx.repo->snapshot_prefix) {
+		free(prefix);
+		prefix = NULL;
+	}
+
 	if (sig_filename)
 		write_sig(f, hex, filename, sig_filename);
 	else
 		make_snapshot(f, hex, prefix, filename);
 
-	free(prefix);
+	if (prefix)
+		free(prefix);
 	free(adj_filename);
 }