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#!/bin/bash
# Syncs pools against themselves using database contents as filter to cleanup
# them up
# License: GPLv3
# Principles
# * Get repos dbs contents
# * Make them a include list
# * Rsync pools against themselves removing excluded files
# * Instant cleanup!
trap_exit() {
echo
error "$@"
exit 1
}
source "$(dirname "$(readlink -e "$0")")/etc/dbscripts.cfg"
source "$(dirname "$(readlink -e "$0")")/share/db-libremessages"
# From makepkg
set -E
trap 'trap_exit "$(gettext "TERM signal caught. Exiting...")"' TERM HUP QUIT
trap 'trap_exit "$(gettext "Aborted by user! Exiting...")"' INT
trap 'trap_exit "$(gettext "An unknown error has occurred. Exiting...")"' ERR
EXTRAFLAGS=()
"${cleanup_dryrun}" && EXTRAFLAGS+=(--dry-run)
filter=$(mktemp -t "${0##*/}.XXXXXXXXXX")
trap "rm -f -- $(printf %q "$filter")" EXIT
for _repo in "${repositories[@]}"; do
for _arch in "${native_architectures[@]}"; do
msg "Getting %s-%s database" "${_repo}" "${_arch}"
dbfile="${root_dir}/${_repo}/os/${_arch}/${_repo}${database_extension_suffixfile}"
if [ ! -r "${dbfile}" ]; then
warning "Not found"
continue
fi
# Echo the contents into a filter file
bsdtar tf "${dbfile}" | \
cut -d'/' -f1 | \
sort -u | \
sed "s|$|*|" >> "$filter"
done
done
msg "Removing old files:"
for POOL in "${packages_pools[@]}" "${sources_pools[@]}"; do
msg2 '%s' "${POOL}"
rsync "${EXTRAFLAGS[@]}" -va --delete-excluded \
--include-from="$filter" \
--exclude="*" \
"${root_dir}/${POOL}/" \
"${root_dir}/${POOL}/"
done
msg "Removing dead symlinks:"
actions=(-print)
"${cleanup_dryrun}" || actions+=(-delete)
find -L "${root_dir}/" -type l "${actions[@]}"
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