print unlink(2) errno in copy_or_link_directory

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-clone.c b/builtin-clone.c
index 880373f279dd073ea7f0ae8564daca1cc687e529..ba286e0160c494244810334e3a0b43a59756e84a 100644 (file)
--- a/builtin-clone.c
+++ b/builtin-clone.c
@@ -228,7 +228,8 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest)
                }
 
                if (unlink(dest->buf) && errno != ENOENT)
-                       die("failed to unlink %s", dest->buf);
+                       die("failed to unlink %s: %s",
+                           dest->buf, strerror(errno));
                if (!option_no_hardlinks) {
                        if (!link(src->buf, dest->buf))
                                continue;