From bf18785bcac4d627377a43f8ce3fe42f1db1704e Mon Sep 17 00:00:00 2001
From: Sorin Ionescu <sorin.ionescu@gmail.com>
Date: Tue, 3 Jul 2012 13:42:37 -0400
Subject: [PATCH] Quote variables, improve readability

---
 modules/dpkg/functions/deb-history | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/modules/dpkg/functions/deb-history b/modules/dpkg/functions/deb-history
index 5ae1446a..a5a1ee86 100644
--- a/modules/dpkg/functions/deb-history
+++ b/modules/dpkg/functions/deb-history
@@ -12,13 +12,13 @@ case "$1" in
     zgrep --no-filename 'install ' $(ls -rt /var/log/dpkg*)
   ;;
   (upgrade|remove)
-    zgrep --no-filename $1 $(ls -rt /var/log/dpkg*)
+    zgrep --no-filename "$1" $(ls -rt /var/log/dpkg*)
   ;;
   (rollback)
-    zgrep --no-filename upgrade $(ls -rt /var/log/dpkg*) | \
-      grep "$2" -A10000000 | \
-      grep "$3" -B10000000 | \
-      awk '{print $4"="$5}'
+    zgrep --no-filename upgrade $(ls -rt /var/log/dpkg*) \
+      | grep "$2" -A10000000 \
+      | grep "$3" -B10000000 \
+      | awk '{print $4"="$5}'
   ;;
   (list)
     zcat $(ls -rt /var/log/dpkg*)