func (c *ctx) Env(key string) (string, error) {
v, ok := c.env[key]
if !ok {
return "", trace.Errorf("environment variable '%v' is not set", key)
}
values := cstrings.SplitComma(v)
out := make([]string, len(values))
for i, p := range values {
out[i] = quoteYAML(p)
}
return strings.Join(out, ","), nil
}
// Set accepts string with arguments in the form "key:val,key2:val2"
func (kv *KeyVal) Set(v string) error {
if len(*kv) == 0 {
*kv = make(map[string]string)
}
for _, i := range cstrings.SplitComma(v) {
vals := strings.SplitN(i, ":", 2)
if len(vals) != 2 {
return trace.Errorf("extra options should be defined like KEY:VAL")
}
(*kv)[vals[0]] = vals[1]
}
return nil
}