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Re: Bug diff 2.8.7: Separate dir
On Fri, 4 Mar 2005, Igor Pechtchanski wrote:
> On Fri, 4 Mar 2005, Brian Dessent wrote:
>
> > I cannot reproduce this, either from a bash prompt or from cmd using
> > your .bat file:
>
> I can reproduce this (even under bash). All you need is a textmode mount
> and files with CRLF line endings.
Upon re-reading this, the above seems to imply that this is a bug. I just
want to clarify that, as explained below, this is NOT a bug, but intended
behavior. The "workaround" mentioned below is for a faulty setup
(textmode mounts and '\'s in paths), not for any perceived bug.
Igor
> > It's probably a textmode/binmode issue, though I don't know why
> > switching between '\' and '/' as the path seperator changes it --
> > although the Cygwin path handling code is complex and I can't pretend to
> > understand it.
>
> Having a '\' in a filename bypasses Cygwin's mounts and uses regular
> Windows mechanisms for opening the file. Reading a file on a textmode
> mount will translate CRLF line endings to normal LFs. No wonder 'diff'
> is confused.
>
> > There was no attached cygcheck so I don't know how your mounts are setup
> > but from what I've read, using textmode mounts with tools like cvs and
> > diff is a recipe for disaster.
>
> Yep. One possible workaround is to use the '--strip-trailing-cr' option
> to diff, which will make it insensitive to textmode/binmode line endings.
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