Function cmdsForExistingRemote

pkg/cmd/pr/checkout/checkout.go:203–249

(remote *cliContext.Remote, pr *api.PullRequest, opts *CheckoutOptions, reuseWorktree bool)

}

func cmdsForExistingRemote(remote *cliContext.Remote, pr *api.PullRequest, opts *CheckoutOptions, reuseWorktree bool) [][]string {
	var cmds [][]string
	remoteBranch := fmt.Sprintf("%s/%s", remote.Name, pr.HeadRefName)

	refSpec := fmt.Sprintf("+refs/heads/%s", pr.HeadRefName)
	if !opts.Detach {
		refSpec += fmt.Sprintf(":refs/remotes/%s", remoteBranch)
	}

	localBranch := pr.HeadRefName
	if opts.BranchName != "" {
		localBranch = opts.BranchName
	}

	remoteBranchRef := fmt.Sprintf("refs/remotes/%s", remoteBranch)
	fetchCmd := []string{"fetch", remote.Name, refSpec, "--no-tags"}

	if opts.Detach {
		return append(cmds, detachCmds(fetchCmd, opts.Worktree, reuseWorktree)...)
	}

	cmds = append(cmds, fetchCmd)

	switch {
	case opts.Worktree != "":
		if reuseWorktree {
			if localBranchExists(opts.GitClient, localBranch) {
				cmds = append(cmds, worktreeCheckoutCmds(opts.Worktree, localBranch, remoteBranchRef, opts.Force)...)
			} else {
				// New --branch name while reusing a worktree: create it tracking the remote.
				cmds = append(cmds, []string{"-C", opts.Worktree, "checkout", "-b", localBranch, "--track", remoteBranch})
			}
		} else if localBranchExists(opts.GitClient, localBranch) {
			cmds = append(cmds, []string{"worktree", "add", "--", opts.Worktree, localBranch})
			cmds = append(cmds, syncBranchCmds(opts.Worktree, remoteBranchRef, opts.Force)...)
		} else {
			cmds = append(cmds, []string{"worktree", "add", "--track", "-b", localBranch, "--", opts.Worktree, remoteBranch})
		}
	case localBranchExists(opts.GitClient, localBranch):
		cmds = append(cmds, []string{"checkout", localBranch})
		cmds = append(cmds, syncBranchCmds("", remoteBranchRef, opts.Force)...)
	default:
		cmds = append(cmds, []string{"checkout", "-b", localBranch, "--track", remoteBranch})
	}

	return cmds
}

func cmdsForMissingRemote(pr *api.PullRequest, baseURLOrName, repoHost, defaultBranch, protocol string, opts *CheckoutOptions, reuseWorktree bool) [][]string {
	var cmds [][]string