#!/bin/sh
+set -e
# garbage collect a package database
# flags to skip phases
# -a all phases
# default is failed packages, orphaned elf, vacuum
#
+# only affect files with the status in the list
+status=
# phases
# -cC remove command history by date
+remove_command_history=
# -dD remove dry run
+remove_dry_run=1
# -eE remove orphaned elf
+remove_orphaned_elf=1
# -fF remove failed
+remove_failed=1
# -hH fix file content hash
+remove_incomplete_packages=0
+fix_hash=0
# -hH remove install history by date
+remove_history=
# -lL remove old logs, given by date
+remove_logs=
# -nN remove acked notes
-# -oO remove outdated packages, unless preserved
-# -pP remove history for removed packages
-# -rR remove orphaned rows in files table packagefiles, notes, scripts, ...
+remove_acked_notes=0
+# -pP remove history for missing packages
+clean_missing_package_history=0
+
# -hH remove all file content that is not scripts or configs
+remove_packagefile_content=1
+remove_script_content=1
+remove_config_content=1
# -rR remove removed packages, unless preserved
+remove_removed_packages=0
+
# -vV compactify the database file
+vacuum=0
+
+# remove orphaned rows in files table packagefiles, notes, scripts, ...
+unreferenced_file_content=1
+
+# remove outdated packages, unless preserved
+remove_old_packages=1
-db=${1:-${ZPMDB:-/var/lib/zpm/local.db}}
+db=${ZPMDB:-/var/lib/zpm/local.db}
+
+retain_old=${ZPM_KEEP_PACKAGES:-2}
+
+while getopts 'f:PcCk:' opt; do
+ case $opt in
+ f) db="$OPTARG" ;;
+ P) remove_old_packages=0 ;;
+ c) vacuum=1 ;;
+ C) unreferenced_file_content=0 ;;
+ k) retain_old="$OPTARG" ;;
+ esac
+done
+
+retain_old=$((retain_old + 0))
+if [ $retain_old -le 0 ]; then
+ retain_old=0
+fi
if [ -z "$db" ]; then
echo must specify database file
# remove failed packages
for pkg in $(zpm list -s failed); do
- zpm log -i -a 'gc removing' -t "$pkg"
- zpm rmpackage "$pkg"
+ zpm rmpackage -m 'gc removed failed' "$pkg"
+ echo removed $pkg
done
for pkg in $(zpm list -s dryrun); do
- zpm log -i -a 'gc removing' -t "$pkg"
- zpm rmpackage "$pkg"
+ zpm rmpackage -m 'gc removed dryrun' "$pkg"
+ echo removed $pkg
done
# remove incomplete packages
+# TODO use temporary gc delete log trigger?
+if [ $remove_incomplete_packages -ne 0 ]; then
+ for pkg in $(zpm list -F 'hash is null'); do
+ zpm rmpackage -m 'gc removed incomplete' $pkg
+ echo removed $pkg
+ done
+fi
-# remove outdated packages, unless preserved
-# TODO need 'rstatus' flag
-
+# remove old version packages, unless preserved
# remove removed packages, unless preserved
+if [ $remove_old_packages -ne 0 ]; then
+ zpm shell $ZPMDB "select printf('%s-%s-%s',package,version,release) from package_age where age > $retain_old" | while read pkg; do
+ zpm rmpackage -m 'gc removed old package' $pkg
+ echo removed $pkg
+done
+fi
# remove orphaned rows in files table
# references in packagefiles, notes, scripts, possibly others
-zpm shell $ZPMDB 'delete from files where hash in (select hash from filerefs where refcount = 0);'
+if [ $remove_orphaned_files -ne 0 ]; then
+ count=$(zpm shell $ZPMDB 'delete from files where hash in (select hash from filerefs where refcount = 0);select changes()')
+ if [ $count -gt 0 ]; then
+ zpm log -v -i -a 'gc' -t $ZPMDB "removed $count unreferenced content"
+ fi
+fi
# remove old logs, given by date
# remove acked notes
+if [ $remove_acked_notes -ne 0 ]; then
+ zpm shell $ZPMDB 'delete from notes where ack != 0'
+fi
# remove install history by date
-# remove history for removed packages
+# remove history for missing packages
+if [ $clean_missing_package_history -ne 0 ]; then
+ # delete from zpmlog where ?
+ true
+fi
# remove command history by date
# compactify the database file
-osize=$(zpm stat -f '%s' $ZPMDB)
-zpm log -v -i -a 'gc compacting' -t $ZPMDB
-zpm shell $ZPMDB vacuum
-nsize=$(zpm stat -f '%s' $ZPMDB)
-
-printf 'original size %s\n' $osize
-printf 'new size %s\n' $nsize
+if [ $vacuum -ne 0 ]; then
+ osize=$(zpm stat -f '%s' $ZPMDB)
+ zpm shell $ZPMDB vacuum
+ nsize=$(zpm stat -f '%s' $ZPMDB)
+ zpm log -v -i -a 'gc compacted' -t $ZPMDB "$osize -> $nsize"
+
+ printf 'original size %s\n' $osize
+ printf 'new size %s\n' $nsize
+fi