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42 lines
799 B
Go
42 lines
799 B
Go
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` and `vim` on the `PATH`
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def, _ := exec.LookPath("editor") // default `editor` wrapper
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nano, _ := exec.LookPath("nano")
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vim, _ := exec.LookPath("vim")
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// set editor priority
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editors := []string{
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os.Getenv("VISUAL"),
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os.Getenv("EDITOR"),
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def,
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nano,
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vim,
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}
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// return the first editor that was found per the priority above
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for _, editor := range editors {
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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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