rclone/lib/env/env.go

26 lines
661 B
Go

// Package env contains functions for dealing with environment variables
package env
import (
"os"
homedir "github.com/mitchellh/go-homedir"
)
// ShellExpandHelp describes what ShellExpand does for inclusion into help
const ShellExpandHelp = "\n\nLeading `~` will be expanded in the file name as will environment variables such as `${RCLONE_CONFIG_DIR}`.\n"
// ShellExpand replaces a leading "~" with the home directory" and
// expands all environment variables afterwards.
func ShellExpand(s string) string {
if s != "" {
if s[0] == '~' {
newS, err := homedir.Expand(s)
if err == nil {
s = newS
}
}
s = os.ExpandEnv(s)
}
return s
}