Make the $apt_pref variable evaluatet at alias expansion by using single-quotes instad of double quotes

plugins/debian/debian.plugin.zsh

@@ -40,20 +40,20 @@ alias ap='apt-cache policy'
 # superuser operations ######################################################
 if [[ $use_sudo -eq 1 ]]; then
 # commands using sudo #######
-    alias aac="sudo $apt_pref autoclean"
-    alias abd="sudo $apt_pref build-dep"
-    alias ac="sudo $apt_pref clean"
-    alias ad="sudo $apt_pref update"
-    alias adg="sudo $apt_pref update && sudo $apt_pref upgrade"
-    alias adu="sudo $apt_pref update && sudo $apt_pref dist-upgrade"
+    alias aac='sudo $apt_pref autoclean'
+    alias abd='sudo $apt_pref build-dep'
+    alias ac='sudo $apt_pref clean'
+    alias ad='sudo $apt_pref update'
+    alias adg='sudo $apt_pref update && sudo $apt_pref upgrade'
+    alias adu='sudo $apt_pref update && sudo $apt_pref dist-upgrade'
     alias afu='sudo apt-file update'
-    alias ag="sudo $apt_pref upgrade"
-    alias ai="sudo $apt_pref install"
-    alias ap="sudo $apt_pref purge"
-    alias ar="sudo $apt_pref remove"
+    alias ag='sudo $apt_pref upgrade'
+    alias ai='sudo $apt_pref install'
+    alias ap='sudo $apt_pref purge'
+    alias ar='sudo $apt_pref remove'
 
     # apt-get only
-    alias ads="sudo $apt_pref dselect-upgrade"
+    alias ads='sudo $apt_pref dselect-upgrade'
 
     # Install all .deb files in the current directory.
     # Warning: you will need to put the glob in single quotes if you use:
@@ -67,18 +67,18 @@ if [[ $use_sudo -eq 1 ]]; then
 
 # commands using su #########
 else
-    alias aac='su -ls "'"$apt_pref"' autoclean" root'
+    alias aac='su -ls \'$apt_pref autoclean\' root'
     abd() {
         cmd="su -lc '$apt_pref build-dep $@' root"
         print "$cmd"
         eval "$cmd"
     }
-    alias ac='su -ls "'"$apt_pref"' clean" root'
-    alias ad='su -lc "'"$apt_pref"' update" root'
-    alias adg='su -lc "'"$apt_pref"' update && aptitude safe-upgrade" root'
-    alias adu='su -lc "'"$apt_pref"' update && aptitude dist-upgrade" root'
+    alias ac='su -ls \'$apt_pref clean\' root'
+    alias ad='su -lc \'$apt_pref update\' root'
+    alias adg='su -lc \'$apt_pref update && aptitude safe-upgrade\' root'
+    alias adu='su -lc \'$apt_pref update && aptitude dist-upgrade\' root'
     alias afu='su -lc "apt-file update"'
-    alias ag='su -lc "'"$apt_pref"' safe-upgrade" root'
+    alias ag='su -lc \'$apt_pref safe-upgrade\' root'
     ai() {
         cmd="su -lc 'aptitude -P install $@' root"
         print "$cmd"
@@ -118,7 +118,7 @@ alias mydeb='time dpkg-buildpackage -rfakeroot -us -uc'
 apt-copy() {
     print '#!/bin/sh'"\n" > apt-copy.sh
 
-    cmd="$apt_pref install "
+    cmd='$apt_pref install'
 
     for p in ${(f)"$(aptitude search -F "%p" --disable-columns \~i)"}; {
         cmd="${cmd} ${p}"