From 35e62cc8b2911984be0dddfb97abc7606a163a1e Mon Sep 17 00:00:00 2001
From: James Barnett <jbarnet4@tulane.edu>
Date: Mon, 25 Apr 2016 13:08:07 -0500
Subject: [PATCH] add warning if configuration file is missing

---
 snapper-post | 8 ++++++--
 snapper-pre  | 6 +++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/snapper-post b/snapper-post
index 3feda8f..e94bc15 100755
--- a/snapper-post
+++ b/snapper-post
@@ -20,7 +20,11 @@
 
 # Takes a snapper post snapshot after a pacman transaction
 
-source /etc/snap-pac.conf
+if [ -f /etc/snap-pac.conf ]; then
+    source /etc/snap-pac.conf
+else
+    echo "WARNING: /etc/snap-pac.conf is missing. Using default settings."
+fi
 
 cleanupalgo=${CLEANUP_ALGORITHM:-"number"}
 description=${POST_DESCRIPTION:-"$(echo $(ps -C pacman -o args=) | sed 'sX/usr/bin/pacmanXpacmanXg')"}
@@ -32,6 +36,6 @@ for x in $configurations; do
         snapper --config $x create --cleanup-algorithm $cleanupalgo --type post --pre-number $SNAPPERPACPRE --description "$description"
         rm $PREFILE_PREFIX"_"$x
     else
-        echo "WARNING: $PREFILE_PREFIX"_"$x does not exist, so not performing post snapshot. If you are initially installing snap-pac, this is normal."
+        echo "WARNING: $PREFILE_PREFIX"_"$x does not exist, so no post snapshot will be taken. If you are initially installing snap-pac, this is normal."
     fi
 done
diff --git a/snapper-pre b/snapper-pre
index 126bb28..6240f2d 100755
--- a/snapper-pre
+++ b/snapper-pre
@@ -20,7 +20,11 @@
 
 # Takes a snapper pre snapshot before a pacman transaction
 
-source /etc/snap-pac.conf
+if [ -f /etc/snap-pac.conf ]; then
+    source /etc/snap-pac.conf
+else
+    echo "WARNING: /etc/snap-pac.conf is missing. Using default settings."
+fi
 
 cleanupalgo=${CLEANUP_ALGORITHM:-"number"}
 description=${POST_DESCRIPTION:-"$(echo $(ps -C pacman -o args=) | sed 'sX/usr/bin/pacmanXpacmanXg')"}