1. 删除分支
1.1 根据最后代码框里usage信息可知，删除分支对应的git操作 应该是 【git branch 再加什么东西】。
1.2 根据代码框里usage信息：使用【git help branch】命令查看跟 branch相关的操作，如下：
可以看到 【git branch -d
NAME
git-branch - List, create, or delete branches
SYNOPSIS
git branch [--color[=] | --no-color] [--show-current]
[-v [--abbrev= | --no-abbrev]]
[--column[=] | --no-column] [--sort=]
[(--merged | --no-merged) []]
[--contains []]
[--points-at
安装git的情况下，命令行直接输入git，显示以下信息 usage: git [--version] [--help] [-C] [-c = ] [--exec-path[= ]] [--html-path] [--man-path] [--info-path] [-p | --paginate | -P | --no-pager] [--no-replace-objects] [--bare] [--git-dir= ] [--work-tree= ] [--namespace= ] [] These are common Git commands used in various situations: start a working area (see also: git help tutorial) clone Clone a repository into a new directory init Create an empty Git repository or reinitialize an existing one work on the current change (see also: git help everyday) add Add file contents to the index mv Move or rename a file, a directory, or a symlink restore Restore working tree files rm Remove files from the working tree and from the index examine the history and state (see also: git help revisions) bisect Use binary search to find the commit that introduced a bug diff Show changes between commits, commit and working tree, etc grep Print lines matching a pattern log Show commit logs show Show various types of objects status Show the working tree status grow, mark and tweak your common history branch List, create, or delete branches commit Record changes to the repository merge Join two or more development histories together rebase Reapply commits on top of another base tip reset Reset current HEAD to the specified state switch Switch branches tag Create, list, delete or verify a tag object signed with GPG collaborate (see also: git help workflows) fetch Download objects and refs from another repository pull Fetch from and integrate with another repository or a local branch push Update remote refs along with associated objects 'git help -a' and 'git help -g' list available subcommands and some concept guides. See 'git help ' or 'git help ' to read about a specific subcommand or concept. See 'git help git' for an overview of the system.
