mirror of
https://github.com/cheat/cheat.git
synced 2024-12-18 18:55:06 +01:00
31 lines
627 B
Go
31 lines
627 B
Go
|
package config
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"os"
|
||
|
|
"os/exec"
|
||
|
|
"runtime"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Editor attempts to locate an editor that's appropriate for the environment.
|
||
|
|
func Editor() (string, error) {
|
||
|
|
|
||
|
|
// default to `notepad.exe` on Windows
|
||
|
|
if runtime.GOOS == "windows" {
|
||
|
|
return "notepad", nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// look for `nano` on the `PATH`
|
||
|
|
nano, _ := exec.LookPath("nano")
|
||
|
|
|
||
|
|
// search for `$VISUAL`, `$EDITOR`, and then `nano`, in that order
|
||
|
|
for _, editor := range []string{os.Getenv("VISUAL"), os.Getenv("EDITOR"), nano} {
|
||
|
|
if editor != "" {
|
||
|
|
return editor, nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// return an error if no path is found
|
||
|
|
return "", fmt.Errorf("no editor set")
|
||
|
|
}
|