From ea654087dfc1f2cbe9b3e44edcbf71743d834dd0 Mon Sep 17 00:00:00 2001
From: James Barnett <jbarnet4@tulane.edu>
Date: Sun, 8 May 2016 21:04:44 -0500
Subject: [PATCH] avoid defaults carrying over

---
 snap-pac | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/snap-pac b/snap-pac
index 232ab65..3300051 100755
--- a/snap-pac
+++ b/snap-pac
@@ -53,18 +53,20 @@ for CONFIG in $SNAPPER_CONFIGS; do
     if [[ $CONFIG == "root" ]]; then
         PACMAN_PRE_POST="yes"
     fi
-
+    PACMAN_PRE_DESCRIPTION="$pacman_cmd"
+    PACMAN_POST_DESCRIPTION="$pacman_cmd"
+    PACMAN_CLEANUP_ALGORITHM="number"
     source /etc/snapper/configs/$CONFIG
 
     [[ $PACMAN_PRE_POST != "yes" ]] && continue
 
     prefile="/tmp/snap-pac-pre_$CONFIG"
-    snapper_cmd="snapper --config $CONFIG create --type $pre_or_post --cleanup-algorithm ${PACMAN_CLEANUP_ALGORITHM:-"number"}"
+    snapper_cmd="snapper --config $CONFIG create --type $pre_or_post --cleanup-algorithm $PACMAN_CLEANUP_ALGORITHM"
 
     if [[ "$pre_or_post" == "pre" ]]; then
-        $snapper_cmd --description "${PACMAN_PRE_DESCRIPTION:-$pacman_cmd}" --print-number > $prefile
+        $snapper_cmd --description "$PACMAN_PRE_DESCRIPTION" --print-number > $prefile
     elif [[ -f $prefile ]]; then
-        $snapper_cmd --description "${PACMAN_POST_DESCRIPTION:-$pacman_cmd}" --pre-number $(< $prefile) 
+        $snapper_cmd --description "$PACMAN_POST_DESCRIPTION" --pre-number $(< $prefile) 
         rm $prefile
     else
         echo "WARNING: $prefile does not exist, so no post snapshot will be taken. If you are initially installing snap-pac, this is normal."