Add header generation to the puppetfile

ce.pp

@@ -276,8 +276,31 @@
   ensure => latest,
   provider => hg,
   source => 'https://hg.mozilla.org/mozilla-central/',
+} ->
+
+# We do it with a -tmp directory we replace in case the headers
+
+file { '/mozilla-libs/':
+  ensure => 'directory',
+} ->
+
+file { '/mozilla-libs-tmp/':
+  ensure => 'directory',
+} ->
+
+exec { 'headers-1':
+  command => '/civet-docker/get_mozbuild_exports.py -i /mozilla-central/ -o /mozilla-libs-tmp/',
+} ->
+
+exec { 'headers-2':
+  command => '/civet-docker/get_other_exports.py -i /mozilla-central/ -o /mozilla-libs-tmp/',
+} ->
+
+exec { 'headers-3':
+  command => '/usr/bin/rm -r /mozilla-libs/ && mv /mozilla-libs-tmp/ /mozilla-libs/'
 }
 
+
 # ==================================================
 
 vcsrepo { '/civet-docker':