51 lines
907 B
Go
51 lines
907 B
Go
package env
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
// Env is tmpl environment variables
|
|
type Env map[string]string
|
|
|
|
// Set sets all environment variables from an Env
|
|
func (e Env) Set() error {
|
|
for key, val := range e {
|
|
if err := os.Setenv(key, val); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Load loads an env from <path>/env.json
|
|
func Load(path string) (Env, error) {
|
|
p := filepath.Join(path, "env.json")
|
|
fi, err := os.Open(p)
|
|
if err != nil {
|
|
if errors.Is(err, os.ErrNotExist) {
|
|
return Env{}, nil
|
|
}
|
|
return nil, err
|
|
}
|
|
defer fi.Close()
|
|
|
|
var e Env
|
|
if err := json.NewDecoder(fi).Decode(&e); err != nil {
|
|
return nil, err
|
|
}
|
|
return e, nil
|
|
}
|
|
|
|
// Save saves an Env to <path>/env.json
|
|
func Save(path string, e Env) error {
|
|
p := filepath.Join(path, "env.json")
|
|
fi, err := os.Create(p)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return json.NewEncoder(fi).Encode(e)
|
|
}
|