[OE-core] [PATCHv2 1/1] base-files: profile: Avoid using "command" to determine if programs exist

Peter Kjellerstedt peter.kjellerstedt at axis.com
Fri Sep 15 14:06:17 UTC 2017


*ping*

//Peter

> -----Original Message-----
> From: Peter Kjellerstedt
> Sent: den 19 juni 2017 16:53
> To: Peter Kjellerstedt <peter.kjellerstedt at axis.com>; openembedded-
> core at lists.openembedded.org
> Subject: RE: [OE-core] [PATCHv2 1/1] base-files: profile: Avoid using
> "command" to determine if programs exist
> 
> *ping*
> 
> //Peter
> 
> > -----Original Message-----
> > From: openembedded-core-bounces at lists.openembedded.org
> > [mailto:openembedded-core-bounces at lists.openembedded.org] On Behalf Of
> > Peter Kjellerstedt
> > Sent: den 13 april 2017 14:30
> > To: openembedded-core at lists.openembedded.org
> > Subject: [OE-core] [PATCHv2 1/1] base-files: profile: Avoid using
> > "command" to determine if programs exist
> >
> > Since the existence of "command" in itself is not guaranteed, using it
> > to determine if other executables exist is moot. Instead just run the
> > executables and let the shell determine if they exist. By piping stderr
> > to /dev/null we avoid unnecessary warnings in case they do not exist.
> >
> > Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt at axis.com>
> > ---
> >  meta/recipes-core/base-files/base-files/profile | 14 ++++++--------
> >  1 file changed, 6 insertions(+), 8 deletions(-)
> >
> > diff --git a/meta/recipes-core/base-files/base-files/profile b/meta/recipes-core/base-files/base-files/profile
> > index ceaf15f799..e05c8840db 100644
> > --- a/meta/recipes-core/base-files/base-files/profile
> > +++ b/meta/recipes-core/base-files/base-files/profile
> > @@ -22,14 +22,12 @@ if [ -d /etc/profile.d ]; then
> >  	unset i
> >  fi
> >
> > -if command -v resize >/dev/null && command -v tty >/dev/null; then
> > -	# Make sure we are on a serial console (i.e. the device used starts with
> > -	# /dev/tty[A-z]), otherwise we confuse e.g. the eclipse launcher which
> > -	# tries do use ssh
> > -	case $(tty) in
> > -		/dev/tty[A-z]*) resize >/dev/null;;
> > -	esac
> > -fi
> > +# Make sure we are on a serial console (i.e. the device used starts with
> > +# /dev/tty[A-z]), otherwise we confuse e.g. the eclipse launcher which tries do
> > +# use ssh
> > +case $(tty 2>/dev/null) in
> > +	/dev/tty[A-z]*) resize >/dev/null 2>&1;;
> > +esac
> >
> >  export PATH PS1 OPIEDIR QPEDIR QTDIR EDITOR TERM
> >
> > --
> > 2.12.0
> >
> > --
> > _______________________________________________
> > Openembedded-core mailing list
> > Openembedded-core at lists.openembedded.org
> > http://lists.openembedded.org/mailman/listinfo/openembedded-core



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