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