void inject(Map<String, Object> environmentVars) {
if (!environmentVars.isEmpty()) {
Map<String, Object> replacementEnv = new HashMap<String, Object>(System.getenv());
for (Map.Entry<String, Object> envVar : environmentVars.entrySet()) {
String key = envVar.getKey();
Object val = envVar.getValue();
if (val == null || "".equals(val)) {
replacementEnv.remove(envVar.getKey());
if ("GEM_PATH".equals(key) && !environmentVars.containsKey("GEM_HOME")) {
replacementEnv.remove("GEM_HOME");
}
} else {
replacementEnv.put(key, val);
if ("GEM_PATH".equals(key) && !environmentVars.containsKey("GEM_HOME")) {
String gemHome = val.toString().split(File.pathSeparator)[0];
replacementEnv.put("GEM_HOME", gemHome);
}
}
}
config.setEnvironment(replacementEnv);
}
}
