blob: 78f73977a189fd7582690862c78dfabc37641212 (
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package main
import (
"log"
"os"
"os/exec"
"strings"
"unicode"
)
func main() {
gitArgs := []string{"switch"}
if requiresDetachFlag(os.Args) {
gitArgs = append(gitArgs, "--detach")
}
firstPositionalArg := true
for i, argv := range os.Args {
if i == 0 {
continue // argv[0] is a program name.
}
if firstPositionalArg && !strings.HasPrefix(argv, "-") {
if isInt(argv) {
argv = "feature/" + argv
}
firstPositionalArg = false
}
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/")
}
func isInt(s string) bool {
for _, c := range s {
if !unicode.IsDigit(c) {
return false
}
}
return true
}
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