目錄
1瀑踢、安裝git
MAC 上安裝Git主要有兩種方式
首先查看電腦是否安裝Git炒瘸，終端輸入：git
安裝過則會輸出：
iOSDevdeiMac:~ iosdev$ git
usage: git [--version] [--help] [-C <path>] [-c name=value]
[--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
[-p | --paginate | --no-pager] [--no-replace-objects] [--bare]
[--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
<command> [<args>]

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
reset Reset current HEAD to the specified state
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
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
checkout Switch branches or restore working tree files
commit Record changes to the repository
diff Show changes between commits, commit and working tree, etc
merge Join two or more development histories together
rebase Reapply commits on top of another base tip
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 <command>' or 'git help <concept>'
to read about a specific subcommand or concept.
iOSDevdeiMac:~ iosdev$
1萝风、通過homebrew安裝Git
1盖溺、安裝homebrew
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
2、安裝git
brew install git
2铣除、通過Xcode安裝

直接從AppStore安裝Xcode，Xcode集成了Git鹦付，不過默認沒有安裝尚粘，你需要運行Xcode，選擇菜單“Xcode”->“Preferences”敲长，在彈出窗口中找到“Downloads”郎嫁，選擇“Command Line Tools”秉继，點“Install”就可以完成安裝了。

二泽铛、創(chuàng)建ssh key尚辑、配置git

1、設(shè)置username和email（github每次commit都會記錄他們）
git config --global user.name "wenbo"
git config --global user.email "1050794513@qq.com"
2盔腔、通過終端命令創(chuàng)建ssh key
ssh-keygen -t rsa -C "1050794513@qq.com"
1050794513@qq.com是我的郵件名杠茬，回車會有以下輸出
Last login: Sat Jan 6 14:12:16 on ttys000
WMBdeMacBook-Pro:~ WENBO$ ssh-keygen -t rsa -C "1050794513@qq.com"
Generating public/private rsa key pair.
Enter file in which to save the key (/Users/WENBO/.ssh/id_rsa):
/Users/WENBO/.ssh/id_rsa already exists.
Overwrite (y/n)? n
WMBdeMacBook-Pro:~ WENBO$
這里我原來已經(jīng)創(chuàng)建過，這里我選n弛随，沒有創(chuàng)建過的瓢喉，會要求確認路徑和輸入密碼，我們這使用默認的一路回車就行舀透。成功的話會在~/下生成.ssh文件夾栓票，進去，打開id_rsa.pub愕够，復(fù)制里面的key走贪。
終端查看.ssh/id_rsa.pub文件
open .ssh/id_rsa.pub
回車后，就會新彈出一個終端惑芭，然后復(fù)制里面的key坠狡。
3、登錄GitHub（默認你已經(jīng)注冊了GitHub賬號）强衡，添加ssh key擦秽，點擊Settings，如圖

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注：
1、解決github push錯誤The requested URL returned error: 403 Forbidden while accessing
github push錯誤：
git push
error: The requested URL returned error: 403 Forbidden while accessing https://github.com/wangz/future.git/info/refs
解決方案：cd到在clone下來的工程目錄下
vim .git/config
修改
[remote "origin"]
url = https://github.com/wangz/example.git
為
[remote "origin"]
url = https://wangz@github.com/wangz/example.git
再次git push乔询，彈出框輸入密碼樟插，即可提交

參考
http://www.reibang.com/p/7edb6b838a2e