mirror of
https://github.com/cheat/cheat.git
synced 2024-11-14 08:01:09 +01:00
41 lines
799 B
Go
41 lines
799 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` and `vim` on the `PATH`
|
|
def, _ := exec.LookPath("editor") // default `editor` wrapper
|
|
nano, _ := exec.LookPath("nano")
|
|
vim, _ := exec.LookPath("vim")
|
|
|
|
// set editor priority
|
|
editors := []string{
|
|
os.Getenv("VISUAL"),
|
|
os.Getenv("EDITOR"),
|
|
def,
|
|
nano,
|
|
vim,
|
|
}
|
|
|
|
// return the first editor that was found per the priority above
|
|
for _, editor := range editors {
|
|
if editor != "" {
|
|
return editor, nil
|
|
}
|
|
}
|
|
|
|
// return an error if no path is found
|
|
return "", fmt.Errorf("no editor set")
|
|
}
|