1 files changed, 34 insertions, 7 deletions
diff --git a/lib/puppet/provider/file_line/ruby.rb b/lib/puppet/provider/file_line/ruby.rb
index 3cb9f6e..ae1a8b3 100644
--- a/lib/puppet/provider/file_line/ruby.rb
+++ b/lib/puppet/provider/file_line/ruby.rb
@@ -1,5 +1,4 @@
 Puppet::Type.type(:file_line).provide(:ruby) do
-
   def exists?
     lines.find do |line|
       line.chomp == resource[:line].chomp
@@ -8,9 +7,11 @@ Puppet::Type.type(:file_line).provide(:ruby) do
 
   def create
     if resource[:match]
-      handle_create_with_match()
+      handle_create_with_match
+    elsif resource[:after]
+      handle_create_with_after
     else
-      handle_create_without_match()
+      append_line
     end
   end
 
@@ -33,7 +34,7 @@ Puppet::Type.type(:file_line).provide(:ruby) do
 
   def handle_create_with_match()
     regex = resource[:match] ? Regexp.new(resource[:match]) : nil
-    match_count = lines.select { |l| regex.match(l) }.size
+    match_count = count_matches(regex)
     if match_count > 1 && resource[:multiple].to_s != 'true'
      raise Puppet::Error, "More than one line in file '#{resource[:path]}' matches pattern '#{resource[:match]}'"
     end
@@ -48,11 +49,37 @@ Puppet::Type.type(:file_line).provide(:ruby) do
     end
   end
 
-  def handle_create_without_match
-    File.open(resource[:path], 'a') do |fh|
-      fh.puts resource[:line]
+  def handle_create_with_after
+    regex = Regexp.new(resource[:after])
+    count = count_matches(regex)
+    case count
+    when 1 # find the line to put our line after
+      File.open(resource[:path], 'w') do |fh|
+        lines.each do |l|
+          fh.puts(l)
+          if regex.match(l) then
+            fh.puts(resource[:line])
+          end
+        end
+      end
+    when 0 # append the line to the end of the file
+      append_line
+    else
+      raise Puppet::Error, "#{count} lines match pattern '#{resource[:after]}' in file '#{resource[:path]}'.  One or no line must match the pattern."
     end
   end
 
+  def count_matches(regex)
+    lines.select{|l| l.match(regex)}.size
+  end
 
+  ##
+  # append the line to the file.
+  #
+  # @api private
+  def append_line
+    File.open(resource[:path], 'a') do |fh|
+      fh.puts resource[:line]
+    end
+  end
 end