On Mon, Jan 28, 2013 at 4:13 PM, Amit Bakshi <ambak...@gmail.com> wrote:
> git clone hangs on windows (msysgit/cygwin), and
> file.write would return errno 22 inside of mercurial's
> windows.winstdout wrapper class. This patch sets
> stdout's mode to binary, fixing both issues.
> ---
>  contrib/remote-helpers/git-remote-hg | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
>
> diff --git a/contrib/remote-helpers/git-remote-hg
> b/contrib/remote-helpers/git-remote-hg
> index 328c2dc..95f4c1f 100755
> --- a/contrib/remote-helpers/git-remote-hg
> +++ b/contrib/remote-helpers/git-remote-hg
> @@ -62,6 +62,24 @@ def get_config(config):
>      output, _ = process.communicate()
>      return output
>
> +#
> +# On Windows (msysgit/cygwin) have to set stdout to binary
> +# mode (_O_BINARY is 32768). Otherwise clone hangs, and pushing
> +# to remote fails when doing a write to mercurial's wrapper
> +# windows.winstdout wrapper class.
> +#
> +def set_binmode(fd):
> +    try:
> +        if sys.platform == "win32":
> +            import msvcrt
> +            msvcrt.setmode(fd, os.O_BINARY)
> +        elif sys.platform  == 'cygwin':
> +            import ctypes
> +            msvcrt = ctypes.CDLL('msvcrt.dll')
> +            msvcrt._setmode(fd, 32768) # On Cygwin os.O_BINARY is different
> +    except OSError:
> +        pass

I tried many things, and it seems it's true that we need to set the
binary mode in Windows, but it seemed to work fine cygwin. I saw in
many places the workaround for 'win32', but I didn't find the one for
'cygwin'. Where did you find it? Did you test in cygwin? Is it needed
there?

Cheers.

-- 
Felipe Contreras
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