74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package browser
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import (
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"os"
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"os/exec"
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"runtime"
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"strings"
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"github.com/google/shlex"
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)
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// BrowserEnv simply returns the $BROWSER environment variable
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func FromEnv() string {
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return os.Getenv("BROWSER")
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}
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// Command produces an exec.Cmd respecting runtime.GOOS and $BROWSER environment variable
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func Command(url string) (*exec.Cmd, error) {
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launcher := FromEnv()
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if launcher != "" {
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return FromLauncher(launcher, url)
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}
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return ForOS(runtime.GOOS, url), nil
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}
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// ForOS produces an exec.Cmd to open the web browser for different OS
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func ForOS(goos, url string) *exec.Cmd {
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exe := "open"
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var args []string
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switch goos {
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case "darwin":
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args = append(args, url)
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case "windows":
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exe = "cmd"
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r := strings.NewReplacer("&", "^&")
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args = append(args, "/c", "start", r.Replace(url))
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default:
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exe = linuxExe()
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args = append(args, url)
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}
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cmd := exec.Command(exe, args...)
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cmd.Stderr = os.Stderr
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return cmd
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}
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// FromLauncher parses the launcher string based on shell splitting rules
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func FromLauncher(launcher, url string) (*exec.Cmd, error) {
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args, err := shlex.Split(launcher)
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if err != nil {
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return nil, err
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}
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args = append(args, url)
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cmd := exec.Command(args[0], args[1:]...)
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cmd.Stderr = os.Stderr
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return cmd, nil
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}
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func linuxExe() string {
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exe := "xdg-open"
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_, err := lookPath(exe)
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if err != nil {
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_, err := lookPath("wslview")
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if err == nil {
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exe = "wslview"
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}
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}
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return exe
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}
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var lookPath = exec.LookPath
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