blob: f4cab21f85bc9a42e5dbecb2e565526783a7a8b4 (
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|
package main
import (
"log"
"os"
"os/exec"
"strings"
)
func main() {
gitArgs := []string{"switch"}
if requiresDetachFlag(os.Args) {
gitArgs = append(gitArgs, "--detach")
}
for i, argv := range os.Args {
if i == 0 {
continue // argv[0] is a program name.
}
gitArgs = append(gitArgs, argv)
}
cmd := exec.Command("git", gitArgs...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err := cmd.Run()
if err != nil {
switch err.(type) {
case *exec.ExitError:
// Do nothing here because Git has already reported the error.
default:
log.Fatal(err)
}
}
os.Exit(cmd.ProcessState.ExitCode())
}
func requiresDetachFlag(argv []string) bool {
argc := len(argv)
if argc == 1 {
return false
}
firstArg := argv[1]
return strings.HasPrefix(firstArg, "origin/") || strings.HasPrefix(firstArg, "upstream/")
}
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