Version 0.02, supports also the /etc/portage/package.unmask file

autounmask-destiller (text/plain), 2.98 KB, created by Mattes on 2010-01-05 10:45:55 UTC

#!/bin/bash
# -----------------------------------------------------------------------------
#
# autounmask-destiller
#
# date        : 2010-01-04
# author      : Matthias Vogt <[e-mail]>
# version     : 0.02
# license     : GPL-2
# description : compresses all files generated by autounmask to one file. Keeps only installed packages.
#
# -----------------------------------------------------------------------------
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# -----------------------------------------------------------------------------
# Changelog: 0.01: first version
#	     0.02: added support for /etc/portage/package.unmask
#
# TODO:
# determine for unmask and keyword if files or directorys are used, and handle these


if [ $1 ];then
	dir=$1
else
	dir=/etc/portage/package.keywords/
fi

tmpdir=/var/tmp/autounmask-destiller
unmaskfile=/etc/portage/package.unmask

if [ -d $tmpdir ];then
	if ! rm -r $tmpdir;then
		echo "could not delete temp dir."
		exit 0
	fi
fi
if ! mkdir -p $tmpdir ;then
	echo "could not create temp dir."
	exit 0
fi

i=0
declare -a files	
destillfile="$tmpdir/autounmasked.packages"

echo "autounamsk-destilling "$dir " to "$destillfile 

if [ -e $destillfile ];then
	rm $destillfile;
fi;
touch $destillfile;
if [ -e $destillfile.tmp ];then
	rm $destillfile.tmp;
fi;
touch $destillfile.tmp;

if [ ! -e $destillfile ];then
	echo "could not create temp file."
	exit 0
fi;
if [ ! -e $destillfile.tmp ];then
	echo "could not create temp file."
	exit 0
fi;

for file in $(find $dir -type f -name '*' | sort)
do
	if [[ ${file##*/} =~ ^autounmask ]] ; then
		awk '/^=/ {print $1}' $file >> $destillfile
	fi
done

cat $destillfile | sort | uniq > $destillfile.tmp
cat $destillfile.tmp | sed -e 's/=//g' > $destillfile
cp  $destillfile  $destillfile.tmp
rm $destillfile
touch $destillfile

for pkg in `cat $destillfile.tmp`
do
	#echo "/var/db/pkg/$pkg"
	if [ -d "/var/db/pkg/$pkg" ];then
		echo "=$pkg" >> $destillfile
	fi
done

cp $destillfile /tmp/autounmaskdestill.keywords
if ! mv $destillfile $dir;then
	echo "could not move $destillfile to $dir."
	exit 0
fi

#now the unmask file:
awk '/^=/ {print $1}' $unmaskfile > $destillfile
cat $destillfile | sort | uniq > $destillfile.tmp
cat $destillfile.tmp | sed -e 's/=//g' > $destillfile
cp  $destillfile  $destillfile.tmp
rm $destillfile
touch $destillfile

for pkg in `cat $destillfile.tmp`
do
	if [ -d "/var/db/pkg/$pkg" ];then
		echo "=$pkg" >> $destillfile
	fi
done

cp $destillfile /tmp/autounmaskdestill.unmask
if ! mv $destillfile /etc/portage/package.unmask;then
	echo "could not move $destillfile to $dir."
	exit 0
fi




KEY="n" 
echo
read -n 1 -p "remove original autounmask-* files [y|n] ?" KEY
echo

if [[ $KEY == "y" ]];then
	rm $dir/autounmask-*	
fi


if ! rm -r $tmpdir;then
	echo "warning: could not remove tempdir $tempdir."
fi

exit 1