Merge branch 'ar/unlink-err'

* ar/unlink-err:
  print unlink(2) errno in copy_or_link_directory
  replace direct calls to unlink(2) with unlink_or_warn
  Introduce an unlink(2) wrapper which gives warning if unlink failed

1 files changed, 2 insertions, 1 deletions

diff --git a/builtin-clone.c b/builtin-clone.c
index d068b7e0d8..c935833c6c 100644
--- a/builtin-clone.c
+++ b/builtin-clone.c
@@ -252,7 +252,8 @@ 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;