alidist-override-tags

#!/usr/bin/env python

import yaml
from os import environ
f = "%s/defaults-%s.sh" % (environ.get("ALIDIST", "alidist"),environ["DEFAULTS"].lower())
d = yaml.safe_load(open(f).read().split("---")[0])
open(f+".old", "w").write(yaml.dump(d)+"\n---\n")
d["overrides"] = d.get("overrides", {})
for t in environ.get("OVERRIDE_TAGS", "").split():
  p,t = t.split("=", 1)
  d["overrides"][p] = d["overrides"].get(p, {})
  d["overrides"][p]["tag"] = t
for v in environ.get("OVERRIDE_VERSIONS", "").split():
  p,v = v.split("=", 1)
  d["overrides"][p] = d["overrides"].get(p, {})
  d["overrides"][p]["version"] = v
open(f, "w").write(yaml.dump(d)+"\n---\n")