new defaults from jenkins 1.580-1

etc/default/jenkins

@@ -13,8 +13,9 @@ JAVA_ARGS="-Xmx2048m -XX:MaxPermSize=256m"
 
 PIDFILE=/var/run/jenkins/jenkins.pid
 
-# user id to be invoked as (otherwise will run as root; not wise!)
+# user and group to be invoked as (default to jenkins)
 JENKINS_USER=jenkins
+JENKINS_GROUP=jenkins
 
 # location of the jenkins war file
 JENKINS_WAR=/usr/share/jenkins/jenkins.war
@@ -38,6 +39,11 @@ JENKINS_LOG=/var/log/jenkins/$NAME.log
 #   descriptors are forced to 1024 regardless of /etc/security/limits.conf
 MAXOPENFILES=8192
 
+# set the umask to control permission bits of files that Jenkins creates.
+#   027 makes files read-only for group and inaccessible for others. comment this out to inherit setting
+#   (as of Ubuntu 12.04, by default umask comes from pam_umask(8) and /etc/login.defs
+UMASK=027
+
 # port for HTTP connector (default 8080; disable with -1)
 HTTP_PORT=8080