From 29b29a629aa7f64d4aadd8eb2b9a4a3ca272523a Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Sat, 6 Sep 2014 00:43:13 -0400
Subject: add generating the postfix map

---
 Makefile                     | 10 +++++++++-
 bin/postfix-show-virtual-map | 21 +++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100755 bin/postfix-show-virtual-map

diff --git a/Makefile b/Makefile
index 3253c91..c407c71 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ FAIL = exit 1
 dep_dir = $1 $(shell find $1)
 users = $(call dep_dir,users)
 
-all: PHONY pacman-keyring
+all: PHONY pacman-keyring postfix-virtual-map
 
 clean: PHONY
 	rm -rf output/cache
@@ -20,6 +20,14 @@ distclean: PHONY
 
 ####
 
+postfix-virtual-map: PHONY output/postfix-virtual-map/virtual-parabola.nu
+
+output/postfix-virtual-map/virtual-parabola.nu: ${users}
+	${MKDIRS} ${@D}
+	bin/postfix-show-virtual-map > $@
+
+####
+
 pacman-keyring: PHONY \
 	output/pacman-keyring/${KEYRING_NAME}.gpg \
 	output/pacman-keyring/${KEYRING_NAME}-trusted \
diff --git a/bin/postfix-show-virtual-map b/bin/postfix-show-virtual-map
new file mode 100755
index 0000000..1203c63
--- /dev/null
+++ b/bin/postfix-show-virtual-map
@@ -0,0 +1,21 @@
+#!/usr/bin/env ruby
+# Usage: postfix-show-virtual-map > ${file} && postmap hash:${file}
+cfg_groups = [ "hackers", "fellows" ]
+
+######################################################################
+require 'yaml'
+
+users = Dir.glob("users/*.yml").map{|f|YAML::load(open(f))}
+	.find_all{|u|u["groups"] and not (u["groups"] & cfg_groups).empty?}
+
+users.each do |user|
+	if user["email"] and user["email"].length > 0
+		if user["email"][0] =~ /.*@parabola.nu$/
+			if user["email"].length > 1
+				puts "#{user["username"]}@parabola.nu  #{user["email"][1]}"
+			end
+		else
+			puts "#{user["username"]}@parabola.nu  #{user["email"][0]}"
+		end
+	end
+end
-- 
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