amfora/sysopen/open_browser_unix.go

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// +build linux freebsd netbsd openbsd
//nolint:goerr113
package sysopen
import (
"fmt"
"os"
"os/exec"
)
// Open opens `path` in default system viewer. It tries to do so using
// xdg-open. It only works if there is a display server working.
func Open(path string) (string, error) {
var (
xorgDisplay = os.Getenv("DISPLAY")
waylandDisplay = os.Getenv("WAYLAND_DISPLAY")
xdgOpenPath, xdgOpenNotFoundErr = exec.LookPath("xdg-open")
)
switch {
case xorgDisplay == "" && waylandDisplay == "":
return "", fmt.Errorf("no display server was found. " +
"You may set a default [[mediatype-handlers]] command in the config")
case xdgOpenNotFoundErr == nil:
// Use start rather than run or output in order
// to make application run in background.
if err := exec.Command(xdgOpenPath, path).Start(); err != nil {
return "", err
}
return "Opened in default system viewer", nil
default:
return "", fmt.Errorf("could not determine default system viewer. " +
"Set a catch-all [[mediatype-handlers]] command in the config")
}
}