data value inte multiline

data.yaml

#@data/values
---
user: 'johndoe'

init.yaml

#@ load("@ytt:yaml", "yaml")
#@ load("@ytt:data", "data")

#@ def user():
#@yaml/text-templated-strings
---
"/opt/user.sh --user (@= data.values.user @)"
---
#@ end

---  
startup:
  user.sh: #@ yaml.encode(user())