From f2f54bb7f19a00b8220ad130ff7f2383bae17299 Mon Sep 17 00:00:00 2001
From: Nathan Wagner <nw@hydaspes.if.org>
Date: Sat, 1 Dec 2018 01:27:16 +0000
Subject: [PATCH] add more logic to garbage collector

---
 zpm-gc | 59 +++++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 48 insertions(+), 11 deletions(-)

diff --git a/zpm-gc b/zpm-gc
index bc84e34..06807ef 100755
--- a/zpm-gc
+++ b/zpm-gc
@@ -8,21 +8,39 @@
 # -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
+fix_hash=0
 # -hH remove install history by date
+remove_history=
 # -lL remove old logs, given by date
+remove_logs=
 # -nN remove acked notes
+remove_acked_notes=0
 # -oO remove outdated packages, unless preserved
-# -pP remove history for removed packages
+remove_old_packages=0
+# -pP remove history for missing packages
+clean_missing_package_history=0
 # -rR remove orphaned rows in files table packagefiles, notes, scripts, ...
+remove_orphaned_files=1
 # -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=1
 
 db=${1:-${ZPMDB:-/var/lib/zpm/local.db}}
 
@@ -50,32 +68,51 @@ for pkg in $(zpm list -s dryrun); do
 done
 
 # remove incomplete packages
+# TODO use temporary gc delete log trigger?
+if [ $remove_incomplete_packages -ne 0 ]; then
+	zpm shell $ZPMDB "delete from packages where hash is null"
+fi
 
-# remove outdated packages, unless preserved
+# remove old version packages, unless preserved
 # TODO need 'rstatus' flag
+if [ $remove_old_packages -ne 0 ]; then
+	# TODO check for preserved
+	# TODO add ability to keep a certain number of back packages
+	zpm shell $ZPMDB "delete from packages where status = 'updated'"
+fi
 
 # remove removed packages, unless preserved
 
 # 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
+	zpm shell $ZPMDB 'delete from files where hash in (select hash from filerefs where refcount = 0);'
+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
+
+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)
+if [ $vacuum -ne 0 ]; then
+	# compactify the database file
+	osize=$(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
+	printf 'original size %s\n' $osize
+	printf 'new size %s\n' $nsize
+fi
-- 
2.40.0