1 files changed, 49 insertions, 0 deletions
diff --git a/geant4.install b/geant4.install
new file mode 100644
index 000000000000..970c6c17090f
--- /dev/null
+++ b/geant4.install
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+_init() {
+  variables=("G4LEDATA" \
+    "G4LEVELGAMMADATA" \
+    "G4NEUTRONHPDATA" \
+    "G4NEUTRONXSDATA" \
+    "G4PIIDATA" \
+    "G4RADIOACTIVEDATA" \
+    "G4REALSURFACEDATA" \
+    "G4SAIDXSDATA" \
+    "G4ABLADATA" )
+
+shell=("sh" "csh")
+
+existing="existing"
+path="/etc/profile.d"
+}
+_clean(){
+    for _ext in ${shell[*]}
+    do
+        rm -f $existing.${_ext}
+    done
+}
+_read() {
+    _init
+    for _varname in ${variables[*]}
+    do
+        for _ext in ${shell[*]}
+        do
+            sed -n /${_varname}/p ${path}/geant4.${_ext} >> $existing.${_ext}
+	done
+    done
+}
+_keep() {
+    _init
+    for _ext in ${shell[*]}
+    do
+        cat $existing.${_ext} >> ${path}/geant4.${_ext}
+    done
+    _clean
+}
+
+pre_upgrade() {
+    _read
+}
+post_upgrade() {
+    _keep
+}