add --state parameter to __directory type which allows removal of directories

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>

conf/type/__directory/gencode-remote

@@ -25,7 +25,10 @@
 #
 
 destination="/$__object_id"
+state_should="$(cat "$__object/parameter/state")"
 
+case "$state_should" in
+   present)
       # Include parent directories?
       if [ -f "$__object/parameter/parents" ]; then
          parents="$(cat "$__object/parameter/parents")"
@@ -61,3 +64,16 @@ fi
       if [ -f "$__object/parameter/owner" ]; then
          echo chown $recursive \"$(cat "$__object/parameter/owner")\" \"$destination\"
       fi
+   ;;
+   absent)
+      # Only delete if it exists
+      if [ yes = "$(cat "$__object/explorer/exists")" ]; then
+         echo rm -r \"$destination\"
+      fi
+
+   ;; 
+   *) 
+      echo "Unknown state" >&2
+      exit 1
+   ;;
+esac

conf/type/__directory/man.text

@@ -5,12 +5,12 @@ Nico Schottelius <nico-cdist--@--schottelius.org>
 
 NAME
 ----
-cdist-type__directory - Create a directory
+cdist-type__directory - Manage a directory
 
 
 DESCRIPTION
 -----------
-This cdist type allows you to create directories on the target.
+This cdist type allows you to create or remove directories on the target.
 
 
 REQUIRED PARAMETERS
@@ -20,6 +20,9 @@ None.
 
 OPTIONAL PARAMETERS
 -------------------
+state::
+   'present' or 'absent', defaults to 'present'
+
 group::
    Group to chgrp to.
 
@@ -45,6 +48,9 @@ EXAMPLES
 # A silly example
 __directory /tmp/foobar
 
+# Remove a directory
+__directory /tmp/foobar --ensure absent
+
 # Ensure /etc exists correctly
 __directory /etc --owner root --group root --mode 0755
 

conf/type/__directory/manifest

@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
+#
+# This file is part of cdist.
+#
+# cdist is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# cdist is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with cdist. If not, see <http://www.gnu.org/licenses/>.
+#
+
+if [ -f "$__object/parameter/state" ]; then
+   state="$(cat "$__object/parameter/state")"
+else
+   echo "present" > "$__object/parameter/state"
+fi

conf/type/__directory/parameter/optional

@@ -1,3 +1,4 @@
+state
 group
 mode
 owner