Fix Linux bunyan exec

Author: oshliaer

edit

@@ -12,5 +12,10 @@ export NODE_ENV=production
 export TUTORIAL_EDIT=1
 export NODE_PRESERVE_SYMLINKS=1
 
+# Use a local bunyan if no other is found in the current environment
+if ! [ -x "$(command -v bunyan)" ]; then
+  export PATH="$PATH:./node_modules/bunyan/bin"
+fi
+
 npm --silent run -- gulp edit | bunyan -o short -l debug