[RFC PATCH 1/2] base-files: sysupgrade: add function for conffiles retrieval

Paul Spooren mail at aparcar.org
Sun Dec 27 16:39:52 EST 2020



On Fr, Jul 10, 2020 at 12:47, Adrian Schmutzler 
<freifunk at adrianschmutzler.de> wrote:
> The find command to retrieve files from /etc/sysupgrade.conf and
> /lib/upgrade/keep.d/* is used twice in almost similar way.
> 
> Move it into a function to consolidate, enhance readability and make
> future adjustments easier.
> 
> Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>

Acked-by: Paul Spooren <mail at aparcar.org>

> ---
>  package/base-files/files/sbin/sysupgrade | 18 +++++++++++-------
>  1 file changed, 11 insertions(+), 7 deletions(-)
> 
> diff --git a/package/base-files/files/sbin/sysupgrade 
> b/package/base-files/files/sbin/sysupgrade
> index ca2eb298dc..4ecea5a303 100755
> --- a/package/base-files/files/sbin/sysupgrade
> +++ b/package/base-files/files/sbin/sysupgrade
> @@ -131,12 +131,18 @@ list_changed_conffiles() {
>  	done
>  }
> 
> +list_static_conffiles() {
> +	local filter=$1
> +
> +	find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
> +		/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
> +		\( -type f -o -type l \) $filter 2>/dev/null
> +}
> +
>  add_conffiles() {
>  	local file="$1"
> -	( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
> -		/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
> -		\( -type f -o -type l \) $find_filter 2>/dev/null;
> -	  list_changed_conffiles ) | sort -u > "$file"
> +
> +	( list_static_conffiles "$find_filter"; list_changed_conffiles ) | 
> sort -u > "$file"
>  	return 0
>  }
> 
> @@ -154,9 +160,7 @@ add_overlayfiles() {
> 
>  		# backup files from /etc/sysupgrade.conf and /lib/upgrade/keep.d, 
> but
>  		# ignore those aready controlled by opkg conffiles
> -		find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
> -			/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
> -			\( -type f -o -type l \) 2>/dev/null | sort -u |
> +		list_static_conffiles | sort -u |
>  			grep -h -v -x -F -f $conffiles > "$keepfiles"
> 
>  		# backup conffiles, but only those changed if '-u'
> --
> 2.20.1
> 
> 
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