Updated grc aliases

aliases.sh

@@ -72,27 +72,45 @@ alias ssh1="ssh -o ControlMaster=no"
 
 
 # Some colorizing options for grc
-GRC=$(which grc)
-if [ "$TERM" != dumb ] && [ -n "$GRC" ]; then
-    #alias colourify="$GRC -es --colour=auto"
-    alias colourify="$GRC --colour=auto"
-    alias configure='colourify ./configure'
-    alias diff='colourify diff'
-    alias make='colourify make'
-    alias gcc='colourify gcc'
-    alias g++='colourify g++'
-    alias as='colourify as'
-    alias gas='colourify gas'
-    alias ld='colourify ld'
-    alias netstat='colourify netstat'
-    alias ping='colourify ping'
-    alias traceroute='colourify /usr/sbin/traceroute'
-    alias head='colourify head'
-    alias tail='colourify tail'
-    alias dig='colourify dig'
-    alias mount='colourify mount'
-    alias ps='colourify ps'
-    alias mtr='colourify mtr'
+if [[ "$TERM" != dumb ]] && (( $+commands[grc] )) ; then
+  # Prevent grc aliases from overriding zsh completions.
+  setopt COMPLETE_ALIASES
+
+  # Supported commands
+  cmds=(
+    cc \
+    configure \
+    cvs \
+    df \
+    diff \
+    dig \
+    gcc \
+    gmake \
+    ifconfig \
+    last \
+    ldap \
+    ls \
+    make \
+    mount \
+    mtr \
+    netstat \
+    ping \
+    ping6 \
+    ps \
+    traceroute \
+    traceroute6 \
+    wdiff \
+  );
+
+  # Set alias for available commands.
+  for cmd in $cmds ; do
+    if (( $+commands[$cmd] )) ; then
+      alias $cmd="grc --colour=auto $cmd"
+    fi
+  done
+
+  # Clean up variables
+  unset cmds cmd
 fi
 
 if [[ -f ~/.dotfiles_aliases ]];