On Mon, Jun 17, 2019 at 08:04:42PM +0200, Alexander Dahl wrote:
> Hello Roland,
> 
> On Mon, Jun 17, 2019 at 04:06:46PM +0200, Roland Hieber wrote:
> > busybox's find doesn't understand '-empty', so when running these
> > postinst scripts on a system without GNU coreutils, they will display a
> > nice help text instead.
> 
> In deed.
> 
> > diff --git a/rules/busybox.postinst b/rules/busybox.postinst
> > index 6f564791d0c8..aa56d329fd72 100644
> > --- a/rules/busybox.postinst
> > +++ b/rules/busybox.postinst
> > @@ -1,8 +1,7 @@
> >  #!/bin/sh
> >  
> >  # generate inetd.conf
> > -if [ -d $DESTDIR/etc/inetd.conf.d ] &&
> > -   [ -z "`find $DESTDIR/etc/inetd.conf.d -type d -empty`" ]; then
> > +if [ "`echo $DESTDIR/etc/inetd.conf.d/*`" != "$DESTDIR/etc/inetd.conf.d/*" 
> > ]; then
> >     cat $DESTDIR/etc/inetd.conf.d/* > $DESTDIR/etc/inetd.conf
> >  fi
> 
> The use of backticks is discouraged by shellcheck:
> 
> https://github.com/koalaman/shellcheck/wiki/SC2006

Huh. Somehow I thought that $() was a bash feature, but it seems that
POSIX sh [0] has it too. \o/

[0]: 
http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_06_03

> 
> Grüße
> Alex
> 
> -- 
> /"\ ASCII RIBBON | »With the first link, the chain is forged. The first
> \ / CAMPAIGN     | speech censured, the first thought forbidden, the
>  X  AGAINST      | first freedom denied, chains us all irrevocably.«
> / \ HTML MAIL    | (Jean-Luc Picard, quoting Judge Aaron Satie)



-- 
Roland Hieber                     | r.hie...@pengutronix.de     |
Pengutronix e.K.                  | https://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim | Phone: +49-5121-206917-5086 |
Amtsgericht Hildesheim, HRA 2686  | Fax:   +49-5121-206917-5555 |

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