Method checkout

src/git-command-manager.ts:51–61

(ref: string, startPoint?: string)

  }

  async checkout(ref: string, startPoint?: string): Promise<void> {
    const args = ['checkout', '--progress']
    if (startPoint) {
      args.push('-B', ref, startPoint)
    } else {
      args.push(ref)
    }
    // https://github.com/git/git/commit/a047fafc7866cc4087201e284dc1f53e8f9a32d5
    args.push('--')
    await this.exec(args)
  }

  async cherryPick(
    options?: string[],