ls-files: fix recurse-submodules with nested submodules

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 9e53a1a7ca4a4ffa0bd810673d432c6f2449f5a5..f54d7b5028a455eae9b133e72ac24333c5035f2e 100644 (file)
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -213,13 +213,14 @@ static int show_abbrev(const unsigned char *sha1, void *cb_data)
 
 static void show_datestring(const char *flag, const char *datestr)
 {
-       static char buffer[100];
+       char *buffer;
 
        /* date handling requires both flags and revs */
        if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS))
                return;
-       snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr));
+       buffer = xstrfmt("%s%lu", flag, approxidate(datestr));
        show(buffer);
+       free(buffer);
 }
 
 static int show_file(const char *arg, int output_prefix)