Add a Rakefile to make packing lockrun as a deb easier

Rakefile

@@ -0,0 +1,42 @@
+#
+# Make it easy to package lockrun
+require 'fileutils'
+
+SEMVER='1.2'
+iteration=`git rev-list HEAD --count`.chomp
+
+task :default => [:usage]
+task :help => [:usage]
+
+task :usage do
+  puts "rake deb:      Create an deb for lockrun"
+  puts "rake lockrun:  Compile lockrun"
+  puts
+  puts "You must gem install fpm to build deb files"
+end
+
+task :deb => [:fakeroot, :lockrun] do
+  sh %{ fpm -s dir -t deb -n lockrun \
+    -v #{SEMVER} --iteration #{iteration} \
+    --url https://github.com/pushcx/lockrun \
+    --description "Lockrun allows you to use a lock to prevent multiple simultaneous executions of an executable." \
+    -C .fakeroot -d libc6 --license "Public Domain" usr }
+end
+
+task :fakeroot => [:lockrun] do
+  puts "iteration: #{iteration}"
+  sh %{ rm -fr .fakeroot }
+  FileUtils::mkdir_p '.fakeroot/usr/local/bin'
+  sh %{ cp lockrun .fakeroot/usr/local/bin}
+  sh %{ chown -R root.root .fakeroot }
+end
+
+task :lockrun do
+  sh %{ gcc lockrun.c -o lockrun }
+end
+
+desc "Cleanup after build"
+task :cleanup do
+  sh %{ find . -name '*.un~' '*.o' -exec rm '{}' ';' }
+  sh %{ rm -fr .fakeroot }
+end