[PATCHv2] mingw_rmdir: do not prompt for retry when non-empty

[Erik Faye-Lund <kusmabite@gmail.com>]

in ab1a11be ("mingw_rmdir: set errno=ENOTEMPTY when appropriate"),
a check was added to prevent us from retrying to delete a directory
that is both in use and non-empty.

However, this logic was slightly flawed; since we didn't return
immediately, we end up falling out of the retry-loop, but right into
the prompting-loop.

Fix this by setting errno, and guarding the prompting-loop with an
errno-check.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
---

Here's the second version of this patch, sorry for the slight delay.

 compat/mingw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compat/mingw.c b/compat/mingw.c
index 1eb974f..440224c 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -260,6 +260,8 @@ int mingw_rmdir(const char *pathname)
 
 	while ((ret = _wrmdir(wpathname)) == -1 && tries < ARRAY_SIZE(delay)) {
 		if (!is_file_in_use_error(GetLastError()))
+			errno = err_win_to_posix(GetLastError());
+		if (errno != EACCES)
 			break;
 		if (!is_dir_empty(wpathname)) {
 			errno = ENOTEMPTY;
@@ -275,7 +277,7 @@ int mingw_rmdir(const char *pathname)
 		Sleep(delay[tries]);
 		tries++;
 	}
-	while (ret == -1 && is_file_in_use_error(GetLastError()) &&
+	while (ret == -1 && errno == EACCES && is_file_in_use_error(GetLastError()) &&
 	       ask_yes_no_if_possible("Deletion of directory '%s' failed. "
 			"Should I try again?", pathname))
 	       ret = _wrmdir(wpathname);
-- 
1.8.0.msysgit.0.3.gafa53b0.dirty

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