MAC上Git安装与GitHub基本使用

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TryGit
TryGit

目录

  1. 安装git
  2. 创建ssh key、配置git
  3. 提交本地项目到GitHub

一、安装Git

MAC 上安装Git主要有两种方式

首先查看电脑是否安装Git，终端输入：

git

安装过则会输出：

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WMBdeMacBook-Pro:~ WENBO$ 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.

1、通过homebrew安装Git

  • 1、未安装homebrew，需安装homebrew
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    /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  • 2、安装git
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    brew install git

    2、通过Xcode安装

    直接从AppStore安装Xcode，Xcode集成了Git，不过默认没有安装，你需要运行Xcode，选择菜单“Xcode”->“Preferences”，在弹出窗口中找到“Downloads”，选择“Command Line Tools”，点“Install”就可以完成安装了。

二、创建ssh key、配置git

  • 1、设置username和email（github每次commit都会记录他们）

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    git config --global user.name "wenbo"
    git config --global user.email "1050794513@qq.com"

  • 2、通过终端命令创建ssh key

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    ssh-keygen -t rsa -C "105***513@qq.com"

    1050***13@qq.com是我的邮件名，回车会有以下输出

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    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$

    由于这里我原来已经创建过，这里我选n，没有创建过的，会要求确认路径和输入密码，我们这使用默认的一路回车就行。成功的话会在~/下生成.ssh文件夹，进去，打开id_rsa.pub，复制里面的key。
    终端查看.ssh/id_rsa.pub文件

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    open .ssh/id_rsa.pub

    回车后，就会新弹出一个终端，然后复制里面的key。
    或者用cat命令查看

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    cat .ssh/id_rsa.pub

  • 3、登录GitHub（默认你已经注册了GitHub账号），添加ssh key，点击Settings，如图
    Settings

    点击New SSH key，如图
    NewSSHkey

    添加key，如图
    ssh keys add new

  • 4、链接验证

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    ssh -T git@github.com

    终端输出结果

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    Last login: Sat Jan  6 14:42:55 on ttys000
    WMBdeMacBook-Pro:~ WENBO$ ssh -T git@github.com 
    Hi wenmobo! You've successfully authenticated, but GitHub does not provide shell access.
    WMBdeMacBook-Pro:~ WENBO$

    说明已经链接成功。

三、提交本地项目到GitHub

  • 1、在GitHub上新创建一个 repository或者Start a Project，如图：
    start project

  • 2、填写项目信息，如下图所示：
    start project add

    点击Create repository,就创好一个工程了。

  • 3、Clone工程到本地，首先复制ssh 地址
    Clone
    打开终端，这里只是测试，我想把工程克隆在桌面，首先在终端中切换路径到桌面，输入以下命令：

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    cd /Users/WENBO/Desktop/

    然后克隆项目,终端输入

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    git clone git@github.com:wenmobo/LearnGit.git

    git@github.com:wenmobo/LearnGit.git是刚刚复制的ssh路径。
    终端完整输出如下：

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    Last login: Sat Jan  6 15:17:17 on ttys000
    WMBdeMacBook-Pro:~ WENBO$ cd /Users/WENBO/Desktop/
    WMBdeMacBook-Pro:Desktop WENBO$ git clone git@github.com:wenmobo/LearnGit.git
    Cloning into 'LearnGit'...
    remote: Counting objects: 5, done.
    remote: Compressing objects: 100% (4/4), done.
    remote: Total 5 (delta 0), reused 0 (delta 0), pack-reused 0
    Receiving objects: 100% (5/5), 5.2

    这时，工程已经被克隆到桌面了，如下图：
    LearnGit

  • 4、在Xcode中新创建一个工程，保存的路径为刚刚克隆下来的LearnGit文件夹下，如下图所示：
    Xcode

  • 5、提交修改，首先切换到LearnGit文件路径：

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    cd /Users/WENBO/Desktop/LearnGit

    然后输入：

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    //文件添加到仓库（.代表提交所有文件）
    git add .
    //把文件提交到仓库
    git commit -m "First Commit"
    //上传到github
    git push

    终端完整输出如下：

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    Last login: Sat Jan  6 15:49:54 on ttys000
    WMBdeMacBook-Pro:~ WENBO$ cd /Users/WENBO/Desktop/LearnGit 
    WMBdeMacBook-Pro:LearnGit WENBO$ git add .
    WMBdeMacBook-Pro:LearnGit WENBO$ git commit -m "First Commit"
    [master ae3bbe9] First Commit
    11 files changed, 649 insertions(+)
    create mode 100644 LearnGitDemo/LearnGitDemo.xcodeproj/project.pbxproj
    create mode 100644 LearnGitDemo/LearnGitDemo.xcodeproj/project.xcworkspace/contents.xcworkspacedata
    create mode 100644 LearnGitDemo/LearnGitDemo/AppDelegate.h
    create mode 100644 LearnGitDemo/LearnGitDemo/AppDelegate.m
    create mode 100644 LearnGitDemo/LearnGitDemo/Assets.xcassets/AppIcon.appiconset/Contents.json
    create mode 100644 LearnGitDemo/LearnGitDemo/Base.lproj/LaunchScreen.storyboard
    create mode 100644 LearnGitDemo/LearnGitDemo/Base.lproj/Main.storyboard
    create mode 100644 LearnGitDemo/LearnGitDemo/Info.plist
    create mode 100644 LearnGitDemo/LearnGitDemo/ViewController.h
    create mode 100644 LearnGitDemo/LearnGitDemo/ViewController.m
    create mode 100644 LearnGitDemo/LearnGitDemo/main.m
    WMBdeMacBook-Pro:LearnGit WENBO$ git push
    Warning: Permanently added the RSA host key for IP address '192.30.255.112' to the list of known hosts.
    Counting objects: 20, done.
    Delta compression using up to 4 threads.
    Compressing objects: 100% (18/18), done.
    Writing objects: 100% (20/20), 6.80 KiB | 0 bytes/s, done.
    Total 20 (delta 2), reused 0 (delta 0)
    remote: Resolving deltas: 100% (2/2), done.
    To github.com:wenmobo/LearnGit.git
       1000218..ae3bbe9  master -> master
    WMBdeMacBook-Pro:LearnGit WENBO$

    查看GitHub上的项目，LearnGit已经上传成功啦，如下图所示：
    查看GitHub上的项目

    总结

    自己现在公司项目都是用SVN托管的，没有用Git托管。用到Git的地方就是用码云托管自己写的小Demo，我也是通过这篇文章了解下上传项目到GitHub的基本流程，和码云上传其实也没多大的区别，码云上传我没有用终端，而是用的SourceTree，Git图形化工具还是挺多的，可以自己去了解与使用吧。文章中所写的也是一些最基本的使用，还是多多了解下吧，万一以后的公司要用呢，哈哈。

    参考文章

    1、Git教程
    2、【Github教程】史上最全github使用方法：github入门到精通
    3、GotGitHub

  • 转载：https://www.jianshu.com/p/7edb6b838a2e

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