pidlock.rb in puppet-0.25.0

- old
+ new
@@ -1,68 +1,68 @@
 require 'fileutils'
 
 class Puppet::Util::Pidlock
-	attr_reader :lockfile
-	
-	def initialize(lockfile)
-		@lockfile = lockfile
-	end
-	
-	def locked?
-		clear_if_stale
-		File.exists? @lockfile
-	end
-	
-	def mine?
-		Process.pid == lock_pid
-	end
+    attr_reader :lockfile
 
-	def anonymous?
-		return false unless File.exists?(@lockfile)
-		File.read(@lockfile) == ""
-	end
-	
-	def lock(opts = {})
-		opts = {:anonymous => false}.merge(opts)
+    def initialize(lockfile)
+        @lockfile = lockfile
+    end
 
-		if locked?
-			mine?
-		else
-			if opts[:anonymous]
-				File.open(@lockfile, 'w') { |fd| true }
-			else
-				File.open(@lockfile, "w") { |fd| fd.write(Process.pid) }
-			end
-			true
-		end
-	end
-	
-	def unlock(opts = {})
-		opts = {:anonymous => false}.merge(opts)
+    def locked?
+        clear_if_stale
+        File.exists? @lockfile
+    end
 
-		if mine? or (opts[:anonymous] and anonymous?)
-			File.unlink(@lockfile)
-			true
-		else
-			false
-		end
-	end
+    def mine?
+        Process.pid == lock_pid
+    end
 
-	private
-	def lock_pid
-		if File.exists? @lockfile
-			File.read(@lockfile).to_i
-		else
-			nil
-		end
-	end
+    def anonymous?
+        return false unless File.exists?(@lockfile)
+        File.read(@lockfile) == ""
+    end
 
-	def clear_if_stale
-		return if lock_pid.nil?
-		
-		begin
-			Process.kill(0, lock_pid)
-		rescue Errno::ESRCH
-			File.unlink(@lockfile)
-		end
-	end
+    def lock(opts = {})
+        opts = {:anonymous => false}.merge(opts)
+
+        if locked?
+            mine?
+        else
+            if opts[:anonymous]
+                File.open(@lockfile, 'w') { |fd| true }
+            else
+                File.open(@lockfile, "w") { |fd| fd.write(Process.pid) }
+            end
+            true
+        end
+    end
+
+    def unlock(opts = {})
+        opts = {:anonymous => false}.merge(opts)
+
+        if mine? or (opts[:anonymous] and anonymous?)
+            File.unlink(@lockfile)
+            true
+        else
+            false
+        end
+    end
+
+    private
+    def lock_pid
+        if File.exists? @lockfile
+            File.read(@lockfile).to_i
+        else
+            nil
+        end
+    end
+
+    def clear_if_stale
+        return if lock_pid.nil?
+
+        begin
+            Process.kill(0, lock_pid)
+        rescue Errno::ESRCH
+            File.unlink(@lockfile)
+        end
+    end
 end