Check for devcontainer environment, skip singularity

Author: Derek Hower

.devcontainer/devcontainer.json

@@ -6,6 +6,9 @@
   "remoteEnv": {
     "DISPLAY": ":0"
   },
+  "containerEnv": {
+    "DEVCONTAINER_ENV": "true"
+  },
   // vscode extensions
   "customizations": {
     "vscode": {

do

@@ -1,7 +1,11 @@
 #!/bin/bash
 
 ROOT=$(dirname $(realpath $BASH_SOURCE[0]))
-source $ROOT/bin/setup
+if [ -v DEVCONTAINER_ENV ]; then
+  BUNDLE=bundle
+else
+  source $ROOT/bin/setup
+fi
 
 # really long way of invoking rake, but renamed to 'do'
 $BUNDLE exec --gemfile $ROOT/Gemfile ruby -r rake -e "Rake.application.init('do');Rake.application.load_rakefile;Rake.application.top_level" -- $@