improve setup.sh when adding repos etc.

setup.sh

@@ -20,7 +20,6 @@ echo "Setting environment variable SPACK_STACK_DIR to ${SPACK_STACK_DIR}"
 source ${SPACK_STACK_DIR:?}/spack/share/spack/setup-env.sh
 echo "Sourcing spack environment ${SPACK_STACK_DIR}/spack/share/spack/setup-env.sh"
 
-# Register spack-stack Spack extensions
 libpath=${SPACK_STACK_DIR}/lib/jcsda-emc/spack-stack
 if [ -d ${libpath}/stack/cmd ]; then
   spack config --scope defaults add "config:extensions:$libpath"
@@ -30,14 +29,18 @@ else
 fi
 
 # Register the jcsda-emc repos
-msg="Error: Repository is already registered with Spack"
+msg1="Added repo with namespace"
+msg2="Repository is already registered with Spack"
 for repo in jcsda-emc jcsda-emc-bundles; do
-  othererrors=$(spack repo add ${SPACK_STACK_DIR}/repos/$repo --scope defaults |& grep -v "$msg" | wc -l)
-  if [ $othererrors -ne 0 ]; then
+  othererrors=$(spack repo add ${SPACK_STACK_DIR}/repos/$repo --scope defaults |& grep -v -e "$msg1" -e "$msg2")
+  if [ $(echo "$othererrors" | grep -c .) -ne 0 ]; then
+    echo "$othererrors"
     return 2
   fi
   if [ ! -d ${SPACK_STACK_DIR}/repos/$repo ]; then
-    echo "WARNING: Repo directory ${SPACK_STACK_DIR}/repos/$repo does not exist!"
+    echo "FATAL ERROR: Repo directory ${SPACK_STACK_DIR}/repos/$repo does not exist!"
     return 3
   fi
 done
+
+echo "spack-stack extensions and repos are registered"