Documentation/scripts/pkgfoster

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2022-05-28 12:49:20 -04:00
#!/bin/bash
#
# pkgfoster 2005-11-27
# Jukka Heino <jukka@karsikkopuu.net>
#
# pkgfoster is a simple script you can use to clean up orphaned packages (i.e.
# packages which no other package depends on). It uses prt-cache by default, so
# remember to build the cache with "prt-get cache". You can also use normal
# prt-get by modifying the PRT_GET variable. An array of packages to keep
# is stored in the FOSTERED variable. Packages from core are never considered
# for deletion.
#
PRT_GET=prt-cache
if [ $UID = 0 ]; then
PKGRM=pkgrm
else
if command -v doas; then
PKGRM="doas pkgrm"
elif command -v sudo; then
PKGRM="sudo pkgrm"
else
PKGRM="su -c pkgrm"
fi
fi
BASE=$(awk '/^[[:space:]]*prtdir.*\/core/ {print $2}' /etc/prt-get.conf)
CONF=${XDG_CONFIG_HOME:="$HOME/.config"}/pkgfoster.conf
[ -f $CONF ] && . $CONF || mkdir -p ${XDG_CONFIG_HOME}
echo "Checking packages for orphans..."
while true ; do
RECHECK=0
orphans=$(comm -13 <(cat <(find "$BASE" -maxdepth 1 -type d -printf "%f\n") \
<(for (( k=0; k<${#FOSTERED[@]}; k++ )); do echo "${FOSTERED[$k]}"; done) \
| sort -u) <($PRT_GET listorphans | sort) | tr '\n' ' ')
for PACKAGE in ${orphans[@]}; do
echo
$PRT_GET info $PACKAGE
echo
echo -n "Uninstall $PACKAGE? (y/N) "
read ANSWER
if [ "$ANSWER" = "y" ] ; then
$PKGRM $PACKAGE
RECHECK=1
else
FOSTERED=( $PACKAGE ${FOSTERED[@]} )
fi
done
if [ "$RECHECK" = "0" ] ; then
echo -n "FOSTERED=(" > $CONF
for (( k=0; k<${#FOSTERED[@]}; k++ )); do
echo -n "${FOSTERED[$k]} " >> $CONF
done
echo ")" >> $CONF
exit 0
fi
echo
echo "Re-checking packages for new orphans..."
done