Added newPrefix.sh and made a few minor changes so the IOC can use a different...

Added newPrefix.sh and made a few minor changes so the IOC can use a different prefix without running changePrefix

.gitignore

@@ -18,3 +18,5 @@ built_*.req
 dbl-all.txt
 *.sav*
 scan1Menu.sav
+override.*
+my-xxx.*

iocBoot/iocxxx/st.cmd.Linux

@@ -12,6 +12,7 @@ dbLoadDatabase("../../dbd/iocxxxLinux.dbd")
 iocxxxLinux_registerRecordDeviceDriver(pdbbase)
 
 < settings.iocsh
+< override.iocsh
 < common.iocsh
 
 #- devIocStats

newPrefix.sh

+#!/bin/bash
+#
+# Customize the IOC's prefix without renaming any files in xxx
+#
+
+# Generate a random IOC name
+RANDOM_IOC_NAME=`cat /dev/urandom | tr -dc '[:lower:]' | fold -w 3 | head -n 1`
+
+# Use a random IOC name if the user doesn't specify one and use yyy if a random name can't be generated
+NEW_IOC_NAME=${1:-${RANDOM_IOC_NAME:-yyy}}
+NEW_IOC_PREFIX="${NEW_IOC_NAME}:"
+
+# Tell the user the new name
+echo "New IOC name   = ${NEW_IOC_NAME}"
+echo "New IOC prefix = ${NEW_IOC_PREFIX}"
+
+# Rename existing custom screens if they exist
+if [ -f "xxxApp/op/ui/my-xxx.ui" ]
+then
+  #!echo "Renaming existing custom caQtDM screen"
+  mv -f xxxApp/op/ui/my-xxx.ui xxxApp/op/ui/my-xxx.ui.last
+fi
+
+if [ -f "xxxApp/op/adl/my-xxx.adl" ]
+then
+  #!echo "Renaming existing custom MEDM screen"
+  mv -f xxxApp/op/adl/my-xxx.adl xxxApp/op/adl/my-xxx.adl.last
+fi
+
+# Create new custom screens
+echo "Creating a custom caQtDM screen for ${NEW_IOC_NAME}"
+sed -e "s/xxx/${NEW_IOC_NAME}/g" xxxApp/op/ui/xxx.ui > xxxApp/op/ui/my-xxx.ui
+
+echo "Creating a custom MEDM screen for ${NEW_IOC_NAME}"
+sed -e "s/xxx/${NEW_IOC_NAME}/g" xxxApp/op/adl/xxx.adl > xxxApp/op/adl/my-xxx.adl
+
+# Renaming existing overrides file if it exists
+if [ -f "iocBoot/iocxxx/override.iocsh" ]
+then
+  #!echo "Renaming existing override.iocsh file"
+  mv -f iocBoot/iocxxx/override.iocsh iocBoot/iocxxx/override.iocsh.last
+fi
+
+# Create an overrides file to override environment variables that would usually be customized in place
+echo "Creating override.iocsh to override the IOC prefix"
+echo "epicsEnvSet(\"PREFIX\", \"${NEW_IOC_PREFIX}\")" > iocBoot/iocxxx/override.iocsh
+echo "epicsEnvSet(\"IOCSH_PS1\", \"${NEW_IOC_NAME}> \")" >> iocBoot/iocxxx/override.iocsh
+echo "epicsEnvSet(\"LOCATION\", \"Virtual\")" >> iocBoot/iocxxx/override.iocsh
+echo "epicsEnvSet(\"GROUP\", \"Training\")" >> iocBoot/iocxxx/override.iocsh

start_MEDM_xxx

@@ -2,7 +2,7 @@
 
 export EPICS_APP=`dirname ${BASH_SOURCE:-$0}`
 export EPICS_APP_ADL_DIR=${EPICS_APP}/xxxApp/op/adl
-export DEFAULT_UI_FILE=${1:-${DEFAULT_UI_FILE:-xxx.ui}}
+export DEFAULT_UI_FILE=${1:-${DEFAULT_UI_FILE:-my-xxx.adl}}
 export UI_FILE_MACROS=${2:-"P=xxx:"}
 
 source ${EPICS_APP}/setup_epics_common medm

start_caQtDM_xxx

@@ -2,7 +2,7 @@
 
 export EPICS_APP=`dirname ${BASH_SOURCE:-$0}`
 export EPICS_APP_UI_DIR=${EPICS_APP}/xxxApp/op/ui
-export DEFAULT_UI_FILE=${1:-${DEFAULT_UI_FILE:-xxx.ui}}
+export DEFAULT_UI_FILE=${1:-${DEFAULT_UI_FILE:-my-xxx.ui}}
 export UI_FILE_MACROS=${2:-"P=xxx:"}
 
 source ${EPICS_APP}/setup_epics_common caqtdm