52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
/*
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
https://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package util
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
// UserHomeDir is a utility function that wraps os.UserHomeDir and returns no
|
|
// errors. If the user has no home directory, the returned value will be the
|
|
// empty string
|
|
func UserHomeDir() string {
|
|
homeDir, err := os.UserHomeDir()
|
|
if err != nil {
|
|
homeDir = ""
|
|
}
|
|
return homeDir
|
|
}
|
|
|
|
// ExpandTilde expands the path to include the home directory if the path
|
|
// is prefixed with `~`. If it isn't prefixed with `~`, the path is
|
|
// returned as-is.
|
|
// Original source code: https://github.com/mitchellh/go-homedir/blob/master/homedir.go#L55-L77
|
|
func ExpandTilde(path string) (string, error) {
|
|
if len(path) == 0 {
|
|
return path, nil
|
|
}
|
|
|
|
if path[0] != '~' {
|
|
return path, nil
|
|
}
|
|
|
|
if len(path) > 1 && path[1] != '/' {
|
|
return "", &ErrCantExpandTildePath{}
|
|
}
|
|
|
|
return filepath.Join(UserHomeDir(), path[1:]), nil
|
|
}
|