Build-in: git_current_branch

[superxcgm]

Epic

Process

Description

User can use build-in comand git_current_branch to get current branch name.

AC

1. Not in a git repo
   Given: User currently in a directory that not manage by git
   When: User type git_current_branch and hit <Enter>
   Then: No output, not error.

2. In repo root directory and master branch
   Given: User currently in a directory that manage by git (For example, in our xcShell repo root directory /xxxx/xcShell ), and currently in master branch
   When: User type git_current_branch and hit <Enter>
   Then: Print master, no extra \n.

3. In repo root directory and not in master branch
   Given: User currently in a directory that directly manage by git (For example, in our xcShell repo root directory /xxxx/xcShell ), and currently inxcShell/issues/54 branch
   When: User type git_current_branch and hit <Enter>
   Then: Print xcShell/issues/54, no extra \n.

4. In repo sub directory
   Given: User currently in a directory that not manage by git, but it's ancestor's dir is manage by git (For example, in our xcShell repo directory /xxxx/xcShell/cmake-build-debug ), and currently inmaster branch
   When: User type git_current_branch and hit <Enter>
   Then: Print master, no extra \n.

5. In repo.git directory
   Given: User currently in .git directory (For example, in our xcShell repo directory /xxxx/xcShell/.git ), and currently inmaster branch
   When: User type git_current_branch and hit <Enter>
   Then: Print {current_branch}, no extra \n.

6. User do not install git
   Given: User currently in a directory that manage by git (For example, in our xcShell repo root directory /xxxx/xcShell ), and do not install git
   When: User type git_current_branch and hit <Enter>
   Then: No output, not error.