Mail Archives: cygwin/2007/02/21/14:52:04
On Wed, 21 Feb 2007, Pedro Alves wrote:
> (Here is the original message I tried to send earlier, sorry for the mess.)
>
> Hi guys,
>
> While looking at why 'quilt annotate' is broken in Cygwin, I found
> something fishy on 'patch' in ed mode. Looks like reading the patch
> from stdin is broken. Reading the patch from a file with -i works
> ok. Here is how to reproduce:
>
> $ touch a.txt
>
> $ cat << EOF > b.txt
>
> > > a new line
> > > EOF
> >
>
> $ diff -e a.txt b.txt > ab.diff
>
> $ cat ab.diff
> 0a
> a new line
> .
>
> $ patch -e a.txt < ab.diff
>
> $ /cygdrive/c/DOCUME~1/pt104167/LOCALS~1/Temp/poL0ERTu: No such file
> or directory
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Looks like your $TMP is set to something Cygwin doesn't like... Try
setting it to, say, /tmp, and see if that makes patch -e happier...
> [snip]
> That 'No such file' error message comes from ed, or so it seems.
> It looks like something is going wrong with the pipe to ed
> (patch/pch.c:do_ed_script), but I can't see what. The filename passed
> to it is correct, but somehow, when the pipe is fflushed ed barks.
> If I put a _cexit before the pipe is flushed, ed doesn't complain.
> I also tested it on kubuntu 6.06, and on Solaris 10 with gnu patch,
> gnu diff and Sun ed, and it worked correctly, so it does look
> like a Cygwin specific problem.
You could also try playing with the "binmode" setting in the Cygwin
environment variable, which controls line endings in pipes.
> (end original message)
>
> As Corinna found out, not specifying the file to patch, but doing
> it interactively works ok. That should make it easier to debug.
>
> $ patch -e < ab.diff
> can't find file to patch at input line 1
> Perhaps you used the wrong -p or --strip option?
> File to patch: a.txt
> $ cat a.txt
> a new line
> $
>
> $ patch -e a.txt < ab.diff
> /cygdrive/c/DOCUME~1/ADMINI~1/DEFINI~1/Temp/poh0o0Rq: No such file or
> directory
Hmm, you also forgot to mention the directory where a.txt resides...
Try first doing this on a binary mount in some directory under Cygwin root
(e.g., /tmp). If that works, look into directories and environment
variable settings.
HTH,
Igor
--
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