files/clean-headers.sh

clean-headers.sh (text/plain), 1.44 KB, created by TGL on 2003-10-23 03:42:17 UTC

#!/bin/bash
# small script to remove wrongly slotted linux-headers packages


# Set debug to "-p" for debugging mode
debug="-p"

# Imports and checks
source /sbin/functions.sh
if [ ! `whoami` = "root" ]; then
	eerror "You should be root to run this script."
	exit 1
fi

# First, we "emerge clean" in case some linux-headers packages were 
# installed with "ebuild ... qmerge" instead of "emerge". 
einfo "Cleaning up your linux-headers packages"
emerge $debug clean sys-kernel/linux-headers

# Then, we look for slot!=0 versions.
cd /var/db/pkg
good=""
bad=""
for p in sys-kernel/linux-headers* ; do
	if grep -q "^0" $p/SLOT ; then
		good="${p}"
	else
		bad="${bad} =${p}"
	fi
done
[ -n "$debug" ] && echo Well slotted packages: $good
[ -n "$debug" ] && echo Wrongly slotted packages: $bad

# If no slot=0 version was found, then it means that no >=2.4.21 
# version is installed.
if [ -z "$good" ]; then
	ewarn "No installed linux-headers version was found in slot 0."
	ewarn "It means that you should update linux-headers: \"emerge linux-headers\"."
	exit 0
fi

# Now that we know there is a slot=0 version installed, it is safe
# to unmerge slot!=0 versions, if any:
if [ -n "$bad" ] ; then
	einfo "Unmerging old linux-headers installed versions."
	einfo "Only \"$good\" will remain."
	emerge $debug unmerge $bad
fi

# All done.
einfo "Now your sytem is clean. Note that there won't be any need for you"
einfo "to re-run this script on future linux-headers updates."