Yi-Yo Chiang pointed out install -D was broken when the target file exists.

Add a test, with comment that "make install_test" doesn't currently exist...

1 files changed, 5 insertions, 3 deletions

diff --git a/lib/lib.c b/lib/lib.c
index de67efa2..06e39169 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -177,9 +177,11 @@ int mkpathat(int atfd, char *dir, mode_t lastmode, int flags)
   // not-a-directory along the way, but the last one we must explicitly
   // test for. Might as well do it up front.
 
-  if (!fstatat(atfd, dir, &buf, 0) && !S_ISDIR(buf.st_mode)) {
-    errno = EEXIST;
-    return 1;
+  if (!fstatat(atfd, dir, &buf, 0)) {
+    if ((flags&MKPATHAT_MKLAST) && !S_ISDIR(buf.st_mode)) {
+      errno = EEXIST;
+      return 1;
+    } else return 0;
   }
 
   for (s = dir; ;s++) {