From 5e0079d9a49cd1d132548dcbc9bd464406037bc4 Mon Sep 17 00:00:00 2001
From: Frank Terbeck <ft@grml.org>
Date: Thu, 20 Dec 2018 13:52:53 +0100
Subject: [PATCH] zsh: In grml-small hint at drill instead of dig

Closes: https://github.com/grml/grml/issues/56
---
 etc/zsh/zshrc | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 04422c0..8a66912 100644
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -3733,7 +3733,7 @@ if check_com -c hg ; then
 
 fi # end of check whether we have the 'hg'-executable
 
-# grml-small cleanups
+# grml-small cleanups and workarounds
 
 # The following is used to remove zsh-config-items that do not work
 # in grml-small by default.
@@ -3743,6 +3743,8 @@ fi # end of check whether we have the 'hg'-executable
 
 if (( GRMLSMALL_SPECIFIC > 0 )) && isgrmlsmall ; then
 
+    # Clean up
+
     unset "abk[V]"
     unalias    'V'      &> /dev/null
     unfunction vman     &> /dev/null
@@ -3753,6 +3755,36 @@ if (( GRMLSMALL_SPECIFIC > 0 )) && isgrmlsmall ; then
     unfunction manzsh   &> /dev/null
     unfunction man2     &> /dev/null
 
+    # Workarounds
+
+    # See https://github.com/grml/grml/issues/56
+    if ! [[ -x ${commands[dig]} ]]; then
+        function dig_after_all () {
+            unfunction dig
+            unfunction _dig
+            autoload -Uz _dig
+            unfunction dig_after_all
+        }
+        function dig () {
+            if [[ -x ${commands[dig]} ]]; then
+                dig_after_all
+                command dig "$@"
+                return "$!"
+            fi
+            printf 'This installation does not include `dig'\'' for size reasons.\n'
+            printf 'Try `drill'\'' as a light weight alternative.\n'
+            return 0
+        }
+        function _dig () {
+            if [[ -x ${commands[dig]} ]]; then
+                dig_after_all
+                zle -M 'Found `dig'\'' installed. '
+            else
+                zle -M 'Try `drill'\'' instead of `dig'\''.'
+            fi
+        }
+        compdef _dig dig
+    fi
 fi
 
 zrclocal
-- 
2.1.4