Re: [PATCH] mingw_rename: do support directory renames

[Junio C Hamano <gitster@pobox.com>]

"Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
writes:

>     This is not quite a critical bug fix for Git because (unlike Git for
>     Windows) it attempts _wrename() first. If that succeeds, we'll not
>     bother with the POSIX semantics.
>     
>     However, Git for Windows knows how to deal with symbolic links, and
>     _wrename() does not work for them. Therefore, that _wrename() call was
>     patched out there and we rely on the native Win32 API call to
>     SetFileInformationByHandle() to rename files and directories.
>     
>     It is that latter part that is at heart of this here bug fix: To be able
>     to call SetFileInformationByHandle(), we need a handle, and
>     CreateFileW() is what we use, for files, and crucially, also for
>     directories.
>     
>     So while it is not critical for Git to take this patch, it still is
>     important because that _wrename() call can fail, even when renaming
>     directories, and then we want the fallback to fail not because we tried
>     to obtain a handle using incorrect flags, but only because the actual
>     rename operation failed.
>     
>     This patch is based on ps/mingw-rename.

Thanks.

As this will be part of GfW 2.48 anyway (I presume), let me take it
and include it in my tree to keep the divergence between our trees
small.