Merge lp:~smoser/maas/vdenv-fix-mawk into lp:maas/trunk

[Scott Moser]

vdenv: fix usage of awk if awk is 'mawk' rather than 'gawk'

vdenv: fix usage of awk if awk is 'mawk' rather than 'gawk'

The issue is that /usr/bin/awk is an alternative. and if it is provided by mawk rather than gawk (as it was in roaksoaks case), then it fails just like this:
  $ mawk '{gsub("*","");} $1 == key { print $2 }' "key=$1:" /dev/null
  mawk: line 1: regular expression compile failed (missing operand)
  *

new syntax works in gawk or mawk or busybox awk.

[Andres Rodriguez (andreserl)]

Looks good to me!

review: Approve

=== modified file 'vdenv/zimmer-build/ud-build.txt'
--- vdenv/zimmer-build/ud-build.txt	2012-07-19 03:12:57 +0000
+++ vdenv/zimmer-build/ud-build.txt	2012-07-20 20:12:21 +0000
@@ -110,7 +110,7 @@
    
    get() {
      _RET=$(debconf-show ${1%%/*} 2>/dev/null |
-       awk '{gsub("*","");} $1 == key { print $2 }' "key=$1:")
+       awk '{gsub("[*]","");} $1 == key { print $2 }' "key=$1:")
    }
    show() {
      while [ $# -ne 0 ]; do