[OE-core] [PATCH V3 3/3] bash: add pkg_postrm to remove the entry in /etc/shells

[Phil Blundell]

On Fri, 2013-10-18 at 19:11 +0800, Ming Liu wrote:
>  pkg_postinst_${PN} () {
> -	touch $D${sysconfdir}/shells
> -	grep -q "bin/bash" $D${sysconfdir}/shells || echo /bin/bash >> $D${sysconfdir}/shells
> -	grep -q "bin/sh" $D${sysconfdir}/shells || echo /bin/sh >> $D${sysconfdir}/shells
> +	if [ ! -f $D${sysconfdir}/shells ]; then
> +		touch $D${sysconfdir}/shells
> +	fi
> +
> +	grep -q "^${base_bindir}/bash$" $D${sysconfdir}/shells || echo ${base_bindir}/bash >> $D${sysconfdir}/shells
> +}

This patch contains significant changes to the postinst script which
aren't described in the commit message.

p.

> +
> +pkg_postrm_${PN} () {
> +	if [ -f $D${sysconfdir}/shells ]; then
> +		printf "$(grep -v "^${base_bindir}/bash$" $D${sysconfdir}/shells)\n" > $D${sysconfdir}/shells
> +
> +		if [ ! -s $D${sysconfdir}/shells ]; then
> +			rm $D${sysconfdir}/shells
> +		fi
> +	fi
>  }