Use LC_ALL=C

manifests/force.pp

@@ -41,18 +41,15 @@
       $install_check = "/usr/bin/dpkg -s ${name} | grep -q 'Status: install'"
     } else {
       # If the installed version and candidate version differ, this check
-      # returns 1 (false). When the package exists, the first three lines of
-      # the apt-cache policy command have package name, installed version and
-      # candidate version in that order. We cannot simply grep for the words
-      # Installed and Candidate because non-English locales will have
-      # different equivalents.
-      $install_check = "/usr/bin/test \$(/usr/bin/apt-cache policy -t ${release} ${name} | /bin/sed -n 2,3p | /usr/bin/awk '{ print \$2 }' | /usr/bin/uniq | /usr/bin/wc -l) -eq 1"
+      # returns 1 (false). We must set LC_ALL to C because non-English locales
+      # will have different equivalents for the words Installed and Candidate.
+      $install_check = "LC_ALL=C /usr/bin/test \$(/usr/bin/apt-cache policy -t ${release} ${name} | /bin/grep -E 'Installed|Candidate' | /usr/bin/uniq -s 14 | /usr/bin/wc -l) -eq 1"
     }
   } else {
     if $release == false {
       $install_check = "/usr/bin/dpkg -s ${name} | grep -q 'Version: ${version}'"
     } else {
-      $install_check = "/usr/bin/apt-cache policy -t ${release} ${name} | /bin/sed '2!d' | /usr/bin/awk '{ print \$2 }' | /bin/grep -q '${version}'"
+      $install_check = "LC_ALL=C /usr/bin/apt-cache policy -t ${release} ${name} | /bin/grep -q 'Installed: ${version}'"
     }
   }
 

spec/defines/force_spec.rb

@@ -31,7 +31,7 @@
       default_params.merge(:release => 'testing')
     end
     it { should contain_exec("/usr/bin/apt-get -y   -t #{params[:release]} install #{title}").with(
-      :unless => "/usr/bin/test \$(/usr/bin/apt-cache policy -t #{params[:release]} #{title} | /bin/sed -n 2,3p | /usr/bin/awk '{ print \$2 }' | /usr/bin/uniq | /usr/bin/wc -l) -eq 1"
+      :unless => "LC_ALL=C /usr/bin/test \$(/usr/bin/apt-cache policy -t #{params[:release]} #{title} | /bin/grep -E 'Installed|Candidate' | /usr/bin/uniq -s 14 | /usr/bin/wc -l) -eq 1"
     ) }
   end
 
@@ -82,7 +82,7 @@
       )
     end
     it { should contain_exec("/usr/bin/apt-get -y   -t #{params[:release]} install #{title}=1").with(
-      :unless => "/usr/bin/apt-cache policy -t #{params[:release]} #{title} | /bin/sed '2!d' | /usr/bin/awk '{ print \$2 }' | /bin/grep -q '#{params[:version]}'"
+      :unless => "LC_ALL=C /usr/bin/apt-cache policy -t #{params[:release]} #{title} | /bin/grep -q 'Installed: #{params[:version]}'"
     ) }
   end
 
@@ -96,7 +96,7 @@
      )
    end
    it { should contain_exec('/usr/bin/apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confmiss" -t testing install my_package=1').with(
-     :unless => "/usr/bin/apt-cache policy -t #{params[:release]} #{title} | /bin/sed '2!d' | /usr/bin/awk '{ print \$2 }' | /bin/grep -q '#{params[:version]}'"
+     :unless => "LC_ALL=C /usr/bin/apt-cache policy -t #{params[:release]} #{title} | /bin/grep -q 'Installed: #{params[:version]}'"
    ) }
   end
 end