On Mon, Nov 14, 2022 at 10:33:44AM -0700, Theo de Raadt wrote:
> Stuart Henderson <s...@spacehopper.org> wrote:
>
> > > Index: app/xenodm//config/Xsession.in
> > > ===================================================================
> > > RCS file: /cvs/xenocara/app/xenodm/config/Xsession.in,v
> > > retrieving revision 1.2
> > > diff -u -p -r1.2 Xsession.in
> > > --- app/xenodm//config/Xsession.in 1 Jul 2022 20:42:06 -0000
> > > 1.2
> > > +++ app/xenodm//config/Xsession.in 14 Nov 2022 16:47:03 -0000
> > > @@ -7,6 +7,7 @@ exec_prefix="@exec_prefix@"
> > > # redirect errors to a file in user's home directory if we can
> > >
> > > errfile="$HOME/.xsession-errors"
> > > +cp -f "$errfile" "$errfile.old" 2> /dev/null
> >
> > Those files can get pretty big. mv is probably a better idea than cp.
>
> And consider the target being a symbolic link, both file and directory
`mv -f 2>/dev/null' should be good enough for all of this, no?
It's a silent one-shot: if it works, great. If not, no .old backup and
the file gets truncated as usual.
Index: app/xenodm/config/Xsession.in
===================================================================
RCS file: /cvs/xenocara/app/xenodm/config/Xsession.in,v
retrieving revision 1.2
diff -u -p -r1.2 Xsession.in
--- app/xenodm/config/Xsession.in 1 Jul 2022 20:42:06 -0000 1.2
+++ app/xenodm/config/Xsession.in 14 Nov 2022 19:39:57 -0000
@@ -7,6 +7,7 @@ exec_prefix="@exec_prefix@"
# redirect errors to a file in user's home directory if we can
errfile="$HOME/.xsession-errors"
+mv -f "$errfile" "$errfile.old"
if ( umask 077 && cp /dev/null "$errfile" 2> /dev/null )
then
exec > "$errfile" 2>&1
