support: set umask 0002 for rtcds and epics service

This should make sure that all files created by these commands (e.g. in
/opt/rtcds/...) are created group writable permission.

closes #90

support/bin/rtcds.in

@@ -38,6 +38,10 @@ USER_VARS=(SITE IFO RCG_LIB_PATH)
 LIST_VARS=(RTS_VERSION ${USER_VARS[@]} RCG_SRC RCG_BUILDD RCG_TARGET)
 EXPORT_VARS=(${USER_VARS[@]} site ifo CDS_SRC CDS_IFO_SRC)
 
+# set the umask to ensure that all files and directories are made
+# group writable
+umask 0002
+
 ##################################################
 
 check_env() {

support/systemd/rts-epics@.service

@@ -4,4 +4,5 @@ PartOf=rts@%i.target
 
 [Service]
 User=advligorts
+Umask=0002
 ExecStart=/usr/bin/rts_epics_exec %i