#!/bin/bash

# breaks at diff
#set -e

day=`date +%Y-%m-%d`

# need to evaluate previous folder name/date BEFORE we create the new one
lastpath=`find /root/lab/confdiff/ -type d -maxdepth 1 | \
	grep -E '[[:digit:]]+-[[:digit:]]+-[[:digit:]]+' | \
	grep -v $day | sort | tail -1`
last=${lastpath##*/}
echo last is $last

workdir=/data/www/lab.nethence.com/confdiff/$day/
echo workdir is $workdir
mkdir -p $workdir/patch/
cd $workdir/

mirror=`grep -vE '^#|^$' /etc/slackpkg/mirrors`
echo mirror is $mirror

wget -q $mirror/kernels/VERSIONS.TXT
wget -q $mirror/kernels/huge.s/config
sort config > config.sort

pkg=`wget -q -O - $mirror/patches/FILE_LIST | grep -E 'kernel-huge-.*.txz$' | awk '{print $NF}'`
echo pkg is $pkg

wget -q -O - $mirror/patches/$pkg | tar xJf - -C patch/
rm -f patch/boot/vmlinuz-*

cd ../
sort $day/patch/boot/config-huge-* > $day/patch/boot/config-huge.sort
diff $day/config.sort $day/patch/boot/config-huge.sort > $day-since-release.txt
ln -sf $day/patch/boot/config-huge-* config

diff $last/patch/boot/config-huge.sort $day/patch/boot/config-huge.sort > $day-since-$last.txt

cat <<EOF

result is available

	https://lab.nethence.com/confdiff/$day-since-release.txt
	https://lab.nethence.com/confdiff/$day-since-$last.txt

also latest release patch config is available

	https://lab.nethence.com/confdiff/config

EOF