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mingw: cope with the Isilon network file system

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On certain network filesystems (currently encountered with Isilon, but
in theory more network storage solutions could be causing the same
issue), when the directory in question is missing,
`raceproof_create_file()` fails with an `ERROR_INVALID_PARAMETER`
instead of an `ERROR_PATH_NOT_FOUND`.

Since it is highly unlikely that we produce such an error by mistake
(the parameters we pass are fairly benign), we can be relatively certain
that the directory is missing in this instance. So let's just translate
that error automagically.

This fixes https://github.com/git-for-windows/git/issues/1345.

Signed-off-by: Nathan Sanders <spekbukkem@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nathan Sanders 2020-04-10 11:28:56 +00:00 committed by Junio C Hamano
parent 9fadedd637
commit 23eafd924a
1 changed files with 15 additions and 2 deletions
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17
compat/mingw.c
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@ -460,8 +460,21 @@ static int mingw_open_append(wchar_t const *wfilename, int oflags, ...)
handle = CreateFileW(wfilename, FILE_APPEND_DATA,
FILE_SHARE_WRITE | FILE_SHARE_READ,
NULL, create, FILE_ATTRIBUTE_NORMAL, NULL);
if (handle == INVALID_HANDLE_VALUE)
return errno = err_win_to_posix(GetLastError()), -1;
if (handle == INVALID_HANDLE_VALUE) {
DWORD err = GetLastError();
/*
* Some network storage solutions (e.g. Isilon) might return
* ERROR_INVALID_PARAMETER instead of expected error
* ERROR_PATH_NOT_FOUND, which results in an unknown error. If
* so, let's turn the error to ERROR_PATH_NOT_FOUND instead.
*/
if (err == ERROR_INVALID_PARAMETER)
err = ERROR_PATH_NOT_FOUND;
errno = err_win_to_posix(err);
return -1;
}
/*
* No O_APPEND here, because the CRT uses it only to reset the