cat-file: refactor --batch option parsing

diff --git a/revision.c b/revision.c
index d739211f9be0375deb3dbab81d9c0391916dfd65..a67b615bfc7001ac28e339db1d91ea46a1b125b5 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -1276,7 +1276,8 @@ static void read_revisions_from_stdin(struct rev_info *revs,
                        }
                        die("options not supported in --stdin mode");
                }
-               if (handle_revision_arg(sb.buf, revs, 0, REVARG_CANNOT_BE_FILENAME))
+               if (handle_revision_arg(xstrdup(sb.buf), revs, 0,
+                                       REVARG_CANNOT_BE_FILENAME))
                        die("bad revision '%s'", sb.buf);
        }
        if (seen_dashdash)