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# GitHubカンニング・ペーパー
これはGitやGitHubの隠された機能やよく知られていない機能の一覧だ。[Zach Holman](https://github.com/holman)によるAloha Ruby Conference 2012での[Git and GitHub Secrets](https://github.com/tiimgreen/github-cheat-sheet)[スライド](https://github.com/tiimgreen/github-cheat-sheet)とWDCNZ 2013での[More Git and GitHub Secrets](https://vimeo.com/72955426)[スライド](https://speakerdeck.com/holman/more-git-and-github-secrets))の二つのトークを元にしている。
*Read this in other languages: [English](README.md), [한국어](README.ko.md), [日本語](README.ja.md).*
*Read this in other languages: [English](README.md), [한국어](README.ko.md), [日本語](README.ja.md), [简体中文](README.zh-cn.md).*
# 目次
- [GitHub](#github)

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A collection of cool hidden and not so hidden features of Git and GitHub. This cheat sheet was inspired by [Zach Holman](https://github.com/holman)'s [Git and GitHub Secrets](http://www.confreaks.com/videos/1229-aloharuby2012-git-and-github-secrets) talk at Aloha Ruby Conference 2012 ([slides](https://speakerdeck.com/holman/git-and-github-secrets)) and his [More Git and GitHub Secrets](https://vimeo.com/72955426) talk at WDCNZ 2013 ([slides](https://speakerdeck.com/holman/more-git-and-github-secrets)).
*Read this in other languages: [English](README.md), [한국어](README.ko.md), [日本語](README.ja.md).*
*Read this in other languages: [English](README.md), [한국어](README.ko.md), [日本語](README.ja.md), [简体中文](README.zh-cn.md).*
# 목록

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# GitHub Cheat Sheet
A collection of cool hidden and not so hidden features of Git and GitHub. This cheat sheet was inspired by [Zach Holman](https://github.com/holman)'s [Git and GitHub Secrets](http://www.confreaks.com/videos/1229-aloharuby2012-git-and-github-secrets) talk at Aloha Ruby Conference 2012 ([slides](https://speakerdeck.com/holman/git-and-github-secrets)) and his [More Git and GitHub Secrets](https://vimeo.com/72955426) talk at WDCNZ 2013 ([slides](https://speakerdeck.com/holman/more-git-and-github-secrets)).
*Read this in other languages: [English](README.md), [한국어](README.ko.md), [日本語](README.ja.md).*
*Read this in other languages: [English](README.md), [한국어](README.ko.md), [日本語](README.ja.md), [简体中文](README.zh-cn.md).*
## Table of Contents
- [GitHub](#github)

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# GitHub秘籍
本秘籍收录了一些Git和Github非常酷同时又少有人知的功能。灵感来自于[Zach Holman](https://github.com/holman)在2012年Aloha Ruby Conference和2013年WDCNZ上所做的演讲[Git and GitHub Secrets](http://www.confreaks.com/videos/1229-aloharuby2012-git-and-github-secrets)([slides](https://speakerdeck.com/holman/git-and-github-secrets))和[More Git and GitHub Secrets](https://vimeo.com/72955426)([slides](https://speakerdeck.com/holman/more-git-and-github-secrets))。
*Read this in other languages: [English](README.md), [한국어](README.ko.md), [日本語](README.ja.md), [简体中文](README.zh-cn.md).*
# 目录
- [GitHub](#github)
- [Ignore Whitespace](#ignore-whitespace)
- [Adjust Tab Space](#adjust-tab-space)
- [Commit History by Author](#commit-history-by-author)
- [Cloning a Repository](#cloning-a-repository)
- [Comparing Branches](#comparing-branches)
- [Compare Branches across Forked Repositories](#compare-branches-across-forked-repositories)
- [Gists](#gists)
- [Git.io](#gitio)
- [Keyboard Shortcuts](#keyboard-shortcuts)
- [Line Highlighting in Repositories](#line-highlighting-in-repositories)
- [Closing Issues via Commit Messages](#closing-issues-via-commit-messages)
- [Cross-Link Issues](#cross-link-issues)
- [CI Status on Pull Requests](#ci-status-on-pull-requests)
- [Syntax Highlighting in Markdown Files](#syntax-highlighting-in-markdown-files)
- [Emojis](#emojis)
- [Images/GIFs](#imagesgifs)
- [Embedding Images in GitHub Wiki](#embedding-images-in-github-wiki)
- [Quick Quoting](#quick-quoting)
- [Quick Licensing](#quick-licensing)
- [Task Lists](#task-lists)
- [Relative Links](#relative-links)
- [Metadata and Plugin Support for GitHub Pages](#metadata-and-plugin-support-for-github-pages)
- [Viewing YAML Metadata in your Documents](#viewing-yaml-metadata-in-your-documents)
- [Rendering Tabular Data](#rendering-tabular-data)
- [Diffs](#diffs)
- [Rendered prose Diffs](#rendered-prose-diffs)
- [Diffable Maps](#diffable-maps)
- [Expanding Context in Diffs](#expanding-context-in-diffs)
- [Diff or Patch of Pull Request](#diff-or-patch-of-pull-request)
- [Hub](#hub)
- [Decreasing Contributor Friction](#decreasing-contributor-friction)
- [Contributing Guidelines](#contributing-guidelines)
- [GitHub Resources](#github-resources)
- [GitHub Talks](#github-talks)
- [Git](#git)
- [Previous Branch](#previous-branch)
- [Stripspace](#stripspace)
- [Checking out Pull Requests](#checking-out-pull-requests)
- [Empty Commits :trollface:](#empty-commits-trollface)
- [Styled Git Status](#styled-git-status)
- [Styled Git Log](#styled-git-log)
- [Git Query](#git-query)
- [Merged Branches](#merged-branches)
- [Web Server for Browsing Local Repositories](#web-server-for-browsing-local-repositories)
- [Git Configurations](#git-configurations)
- [Aliases](#aliases)
- [Auto-Correct](#auto-correct)
- [Color](#color)
- [Git Resources](#git-resources)
- [Git Books](#git-books)
## GitHub
### Ignore Whitespace
在任意diff页面的URL后加上`?w=1`,可以去掉那些只是空白字符的变化,使你能更专注于代码的变化。
![Diff without whitespace](https://camo.githubusercontent.com/797184940defadec00393e6559b835358a863eeb/68747470733a2f2f6769746875622d696d616765732e73332e616d617a6f6e6177732e636f6d2f626c6f672f323031312f736563726574732f776869746573706163652e706e67)
[*详见 GitHub secrets.*](https://github.com/blog/967-github-secrets)
### Adjust Tab Space
在diff或者file页面的URL后面加上`?ts=4`这样当显示tab字符的长度时就会是4个空格的长度不再是默认的8个空格。`ts`后面的数字还可以根据你个人的偏好进行修改。不过这个小诀窍在Gists页面和raw file页面不起作用。
下面是我们在Go语言的source file页面URL后加`?ts=4`[](https://github.com/pengwynn/flint/blob/master/flint/flint.go)的例子:
![Before, tab space example](http://i.imgur.com/GIT1Fr0.png)
然后是我们添加`?ts=4`[](https://github.com/pengwynn/flint/blob/master/flint/flint.go?ts=4)的例子:
![After, tab space example](http://i.imgur.com/70FL4H9.png)
### Commit History by Author
查看某个用户的所有提交历史只需在commits页面URL后加上`?author=username`
```
https://github.com/rails/rails/commits/master?author=dhh
```
![DHH commit history](http://i.imgur.com/mDWwuaY.png)
[*深入了解提交视图之间的区别*](https://help.github.com/articles/differences-between-commit-views)
### Cloning Repository
当我们克隆某一资源时,可以不要那个`.git`后缀。
```bash
$ git clone https://github.com/tiimgreen/github-cheat-sheet
```
[*更多对 Git `clone` 命令的介绍.*](http://git-scm.com/docs/git-clone)
### Comparing Branches
如果我们想要比较两个分支可以像下面一样修改URL
```
https://github.com/user/repo/compare/{range}
```
其中`{range} = master...4-1-stable`
例如:
```
https://github.com/rails/rails/compare/master...4-1-stable
```
![Rails branch compare example](http://i.imgur.com/0Z52X5Y.png)
`{range}`还可以使用下面的形式:
```
https://github.com/rails/rails/compare/master@{1.day.ago}...master
https://github.com/rails/rails/compare/master@{2014-10-04}...master
```
*日期格式 `YYYY-DD-MM`*
![Another compare example](http://i.imgur.com/5dtzESz.png)
...这样你就能查看master分支上一段时间或者指定日期内的改动。
[*了解更多关于比较跨时间段的提交记录.*](https://help.github.com/articles/comparing-commits-across-time)
### Compare Branches across Forked Repositories
想要对派生仓库Forked Repository之间的分支进行比较可以像下面这样修改URL实现
```
https://github.com/user/repo/compare/{foreign-user}:{branch}...{own-branch}
```
例如:
```
https://github.com/rails/rails/compare/byroot:master...master
```
![Forked branch compare](http://i.imgur.com/Q1W6qcB.png)
### Gists
[Gists](https://gist.github.com/) 给我们提供了一种不需要创建一个完整的仓库,使小段代码也可以工作的简单方式。
![Gist](http://i.imgur.com/VkKI1LC.png?1)
Gist的URL后加上`.pibb`可以得到更适合嵌入到其他网站的HTML版本。
Gists还可以像任何标准仓库一样被克隆。
```bash
$ git clone https://gist.github.com/tiimgreen/10545817
```
![Gists](http://i.imgur.com/dULZXXo.png)
[*进一步了解如何创建 gists.*](https://help.github.com/articles/creating-gists)
### Git.io
[Git.io](http://git.io)是Github的短网址服务。
![Git.io](http://i.imgur.com/6JUfbcG.png?1)
你可以通过Curl命令以普通HTTP协议使用它
```bash
$ curl -i http://git.io -F "url=https://github.com/..."
HTTP/1.1 201 Created
Location: http://git.io/abc123
$ curl -i http://git.io/abc123
HTTP/1.1 302 Found
Location: https://github.com/...
```
[*进一步了解 Git.io.*](https://github.com/blog/985-git-io-github-url-shortener)
### Keyboard Shortcuts
在仓库主页上提供了快捷键方便快速导航。
-`t` 键会打开一个文件浏览器。
-`w` 键会打开分支选择菜单。
-`s` 键会激活顶端的命令栏 (Command Bar)。
-`l` 键编辑Issue列表页的标签。
- **查看文件内容时**(如:`https://github.com/tiimgreen/github-cheat-sheet/blob/master/README.md`),按 `y` 键将会冻结这个页面,这样就算代码被修改了也不会影响你当前看到的。
`?`查看当前页面支持的快捷键列表:
![Keyboard shortcuts](http://i.imgur.com/y5ZfNEm.png)
[*进一步了解如何使用 Command Bar.*](https://help.github.com/articles/using-the-command-bar)
### Line Highlighting in Repositories
在代码文件地址后加上`#L52`或者单击行号52都会将第52行代码高亮显示。
多行高亮也可以,比如用`#L53-L60`选择范围,或者按住 `shift`键,然后再点击选择的两行。
```
https://github.com/rails/rails/blob/master/activemodel/lib/active_model.rb#L53-L60
```
![Line Highlighting](http://i.imgur.com/8AhjrCz.png)
### Closing Issues via Commit Messages
如果某个提交修复了一个Issue当提交到master分支时提交信息里可以使用`fix/fixes/fixed`, `close/closes/closed` 或者 `resolve/resolves/resolved`等关键词后面再跟上Issue号这样就会关闭这个Issue。
```bash
$ git commit -m "Fix screwup, fixes #12"
```
这将会关闭Issue #12并且在Issue讨论列表里关联引用这次提交。
![Closing Repo](http://i.imgur.com/Uh1gZdx.png)
[*进一步了解通过提交信息关闭Issue.*](https://help.github.com/articles/closing-issues-via-commit-messages)
### Cross-Link Issues
如果你想引用到同一个仓库中的一个Issue只需使用井号 `#` 加上Issue号这样就会自动创建到此Issue的链接。
要链接到其他仓库的Issue就使用`user_name/repo_name#ISSUE_NUMBER`的方式,例如`tiimgreen/toc#12`
![Cross-Link Issues](https://camo.githubusercontent.com/447e39ab8d96b553cadc8d31799100190df230a8/68747470733a2f2f6769746875622d696d616765732e73332e616d617a6f6e6177732e636f6d2f626c6f672f323031312f736563726574732f7265666572656e6365732e706e67)
### CI Status on Pull Requests
如果配置正确,[Travis CI](https://travis-ci.org/)会为每个你收到的Pull Request执行构建就像每次提交也会触发构建一样。想了解更多关于Travis CI的信息请看 [Travis CI入门](http://docs.travis-ci.com/user/getting-started/)。
[![Travic CI status](https://cloud.githubusercontent.com/assets/1687642/2700187/3a88838c-c410-11e3-9a46-e65e2a0458cd.png)](https://github.com/octokit/octokit.rb/pull/452)
[*进一步了解 Commit status API.*](https://github.com/blog/1227-commit-status-api)
### Syntax Highlighting in Markdown Files
例如可以像下面这样在你的Markdown文件里为Ruby代码添加语法高亮
```ruby
require 'tabbit'
table = Tabbit.new('Name', 'Email')
table.add_row('Tim Green', 'tiimgreen@gmail.com')
puts table.to_s
```
效果像下面这样:
```ruby
require 'tabbit'
table = Tabbit.new('Name', 'Email')
table.add_row('Tim Green', 'tiimgreen@gmail.com')
puts table.to_s
```
Github使用 [Linguist](https://github.com/github/linguist) 做语言识别和语法高亮。你可以仔细阅读 [languages YAML file](https://github.com/github/linguist/blob/master/lib/linguist/languages.yml),了解有哪些可用的关键字。
[*进一步了解 GitHub Flavored Markdown.*](https://help.github.com/articles/github-flavored-markdown)
### Emojis
可以在Pull Requests, Issues, 提交消息, Markdown文件里加入表情符。使用方法`:name_of_emoji:`
```
:smile:
```
将输出一个笑脸:
:smile:
Github支持的完整表情符号列表详见[emoji-cheat-sheet.com](http://www.emoji-cheat-sheet.com/) 或 [scotch-io/All-Github-Emoji-Icons](https://github.com/scotch-io/All-Github-Emoji-Icons)。
Github上使用最多的5个表情符号是
1. :shipit: - `:shipit:`
2. :sparkles: - `:sparkles:`
3. :-1: - `:-1:`
4. :+1: - `:+1:`
5. :clap: - `:clap:`
### Images/GIFS
注释和README等文件里也可以使用图片和GIF动画
```
![Alt Text](http://www.sheawong.com/wp-content/uploads/2013/08/keephatin.gif)
```
![Peter don't care](http://www.sheawong.com/wp-content/uploads/2013/08/keephatin.gif)
所有图片都缓存在Gitub不用担心你的站点不能访问时就看不到图片了。
#### Embedding Images in GitHub Wiki
有多种方法可以在Wiki页面里嵌入图片。既可以像上一条里那样使用标准的Markdown语法也可以像下面这样指定图片的高度或宽度
```markdown
[[ http://www.sheawong.com/wp-content/uploads/2013/08/keephatin.gif | height = 100px ]]
```
结果:
![Just a screenshot](http://i.imgur.com/J5bMf7S.png)
### Quick Quoting
在注释话题里引用之前某个人所说的,只需选中文本,然后按 `r`键,想要的就会以引用的形式复制到你的输入框里。
![Quick Quote](https://f.cloud.github.com/assets/296432/124483/b0fa6204-6ef0-11e2-83c3-256c37fa7abc.gif)
[*进一步了解快速引用.*](https://github.com/blog/1399-quick-quotes)
### Quick Licensing
创建一个仓库时Github会为你提供一个预置的软件许可列表
![License](http://i.imgur.com/Chqj4Fg.png)
对于已有的仓库可以通过web界面创建文件来添加软件许可。输入`LICENSE`作为文件名后,同样可以从预置的列表中选择一个作为模板。
![License](http://i.imgur.com/fTjQict.png)
这个技巧也使用于 `.gitignore` 文件。
[*进一步了解 open source licensing.*](https://help.github.com/articles/open-source-licensing)
### Task Lists
Issues和Pull requests里可以添加复选框语法如下注意空白符
```
- [ ] Be awesome
- [ ] Do stuff
- [ ] Sleep
```
![Task List](http://i.imgur.com/k2qZi56.png)
当项目被选中时它对应的Markdown源码也被更新了
```
- [x] Be awesome
- [x] Do stuff
- [ ] Sleep
```
[*进一步了解任务列表.*](https://github.com/blog/1375%0A-task-lists-in-gfm-issues-pulls-comments)
### Relative Links
Markdown文件里链接到内部内容时推荐使用相对链接。
```markdown
[Link to a header](#awesome-section)
[Link to a file](docs/readme)
```
绝对链接会在URL改变时例如重命名仓库、用户名改变建立分支项目被更新。使用相对链接能够保证你的文档不受此影响。
[*进一步了解相对链接.*](https://help.github.com/articles/relative-links-in-readmes)
### Metadata and Plugin Support for GitHub Pages
在Jekyll页面和文章里仓库信息可在 `site.github` 命名空间下找到,也可以显示出来,例如,使用 `{{ site.github.project_title }}`显示项目标题。
Jemoji和jekyll-mentions插件为你的Jekyll文章和页面增加了[emoji](#emojis)和[@mentions](https://github.com/blog/821)功能。
[*了解更多 GitHub Pages的元数据和插件支持.*](https://github.com/blog/1797-repository-metadata-and-plugin-support-for-github-pages)
### Viewing YAML Metadata in your Documents
许多博客站点,比如基于[Jekyll](http://jekyllrb.com/)的[GitHub Pages](http://pages.github.com/)都依赖于一些文章头部的YAML格式的元数据。Github会将其渲染成一个水平表格方便阅读。
![YAML metadata](https://camo.githubusercontent.com/47245aa16728e242f74a9a324ce0d24c0b916075/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f36343035302f313232383236372f65303439643063362d323761302d313165332d396464382d6131636432323539393334342e706e67)
[*进一步了解 在文档里查看YAML元数据.*](https://github.com/blog/1647-viewing-yaml-metadata-in-your-documents)
### Rendering Tabular Data
GitHub支持将 `.csv` (comma分隔)和`.tsv` (tab分隔)格式的文件渲染成表格数据。
![Tabular data](https://camo.githubusercontent.com/1b6dd0157ffb45d9939abf14233a0cb13b3b4dfe/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f3238323735392f3937363436322f33323038336463652d303638642d313165332d393262322d3566323863313061353035392e706e67)
[*进一步了解渲染表格数据.*](https://github.com/blog/1601-see-your-csvs)
### Diffs
#### Rendered prose Diffs
提交和Pull Requests里包含有Github支持的可渲染文档比如Markdown会提供*source* 和 *rendered* 两个视图功能。
![Source / Rendered view](https://github-images.s3.amazonaws.com/help/repository/rendered_prose_diff.png)
点击 "rendered" 按钮,看看改动在渲染后的显示效果。当你添加、删除或修改文本时,渲染纯文本视图非常方便。
![Rendered Prose Diffs](https://f.cloud.github.com/assets/17715/2003056/3997edb4-862b-11e3-90be-5e9586edecd7.png)
[*进一步了解渲染纯文本视图Diffs.*](https://github.com/blog/1784-rendered-prose-diffs)
#### Diffable Maps
当你在GitHub上查看一个包含地理数据的提交或pull request时Github可以显示数据变动的视觉表示。
[![Diffable Maps](https://f.cloud.github.com/assets/282759/2090660/63f2e45a-8e97-11e3-9d8b-d4c8078b004e.gif)](https://github.com/benbalter/congressional-districts/commit/2233c76ca5bb059582d796f053775d8859198ec5)
[*进一步了解可比较地图.*](https://github.com/blog/1772-diffable-more-customizable-maps)
#### Expanding Context in Diffs
你可以通过点击diff边栏里的 *unfold* 按钮来多显示几行上下文。你可以一直点击 *unfold* 按钮直到显示了文件的全部内容。这个功能在所有GitHub产生的diff界面都可以使用。
![Expanding Context in Diffs](https://f.cloud.github.com/assets/22635/1610539/863c1f64-5584-11e3-82bf-151b406a272f.gif)
[*进一步了解扩展Diff上下文.*](https://github.com/blog/1705-expanding-context-in-diffs)
#### Diff or Patch of Pull Request
在Pull Request的URL后面加上 `.diff` 或 `.patch` 的扩展名就可以得到它的diff或patch文件例如
```
https://github.com/tiimgreen/github-cheat-sheet/pull/15
https://github.com/tiimgreen/github-cheat-sheet/pull/15.diff
https://github.com/tiimgreen/github-cheat-sheet/pull/15.patch
```
`.diff` 扩展会使用普通文本格式显示如下内容:
```
diff --git a/README.md b/README.md
index 88fcf69..8614873 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ All the hidden and not hidden features of Git and GitHub. This cheat sheet was i
- [Merged Branches](#merged-branches)
- [Quick Licensing](#quick-licensing)
- [TODO Lists](#todo-lists)
+- [Relative Links](#relative-links)
- [.gitconfig Recommendations](#gitconfig-recommendations)
- [Aliases](#aliases)
- [Auto-correct](#auto-correct)
@@ -381,6 +382,19 @@ When they are clicked, they will be updated in the pure Markdown:
- [ ] Sleep
(...)
```
### Hub
[Hub](https://github.com/github/hub)是一个对Git进行了封装的命令行工具可以帮助你更方便的使用Github。
这使得你可以像下面这样进行克隆:
```bash
$ hub clone tiimgreen/toc
```
[*查看更多Hub提供的超酷命令.*](https://github.com/github/hub#commands)
### Decreasing Contributor Friction
假设你想人们使用你的项目并给你的项目做出贡献,你往往需要回答他们常见问题。这个项目是干什么用的?我如何使用它?允许我怎样使用?我如何为项目出力?我怎样配置开发环境?我怎么能保证新功能不会破坏已有的功能?
[Friction](https://github.com/rafalchmiel/friction)是一个命令行脚本,用来检查你的项目是否[回答了这些问题](https://github.com/rafalchmiel/friction/wiki)。下面是示例输出:
[![Friction output](http://i.imgur.com/4EgpWo4.png)](https://github.com/rafalchmiel/friction)
*Friction 支持 MRI 2.1.0, MRI 2.0.0 和 MRI 1.9.3.*
### Contributing Guidelines
在你的仓库的根目录添加一个名为 `CONTRIBUTING` 的文件后贡献者在新建Issue或Pull Request时会看到这个文件的链接。
![Contributing Guidelines](https://camo.githubusercontent.com/71995d6b0e620a9ef1ded00a04498241c69dd1bf/68747470733a2f2f6769746875622d696d616765732e73332e616d617a6f6e6177732e636f6d2f736b697463682f6973737565732d32303132303931332d3136323533392e6a7067)
[*进一步了解贡献者指南.*](https://github.com/blog/1184-contributing-guidelines)
### GitHub Resources
| Title | Link |
| ----- | ---- |
| GitHub Explore | https://github.com/explore |
| GitHub Blog | https://github.com/blog |
| GitHub Help | https://help.github.com/ |
| GitHub Training | http://training.github.com/ |
| GitHub Developer | https://developer.github.com/ |
#### Github Talks
| Title | Link |
| ----- | ---- |
| How GitHub Uses GitHub to Build GitHub | https://www.youtube.com/watch?v=qyz3jkOBbQY |
| Introduction to Git with Scott Chacon of GitHub | https://www.youtube.com/watch?v=ZDR433b0HJY |
| How GitHub No Longer Works | https://www.youtube.com/watch?v=gXD1ITW7iZI |
| Git and GitHub Secrets | https://www.youtube.com/watch?v=Foz9yvMkvlA |
| More Git and GitHub Secrets | https://www.youtube.com/watch?v=p50xsL-iVgU |
## Git
### Previous Branch
快速检出上一个分支:
```bash
$ git checkout -
# Switched to branch 'master'
$ git checkout -
# Switched to branch 'next'
$ git checkout -
# Switched to branch 'master'
```
[*进一步了解 Git 分支.*](http://git-scm.com/book/en/Git-Branching-Basic-Branching-and-Merging)
### Stripspace
Git Stripspace命令可以:
- 去掉行尾空白符
- 多个空行压缩成一行
- 必要时在文件末尾增加一个空行
使用此命令时必须传入一个文件,像这样:
```bash
$ git stripspace < README.md
```
[*进一步了解 Git `stripspace` 命令.*](http://git-scm.com/docs/git-stripspace)
### Checking out Pull Requests
如果想检出pull requests到本地可以先用下面的fetch命令
```bash
$ git fetch origin '+refs/pull/*/head:refs/pull/*'
```
然后用checkout命令检查想要的Pull Request比如42
```bash
$ git checkout refs/pull/42
```
你也可以把它们当作远程分支来fetch
```bash
$ git fetch origin '+refs/pull/*/head:refs/remotes/origin/pr/*'
```
然后这样检出:
```bash
$ git checkout origin/pr/42
```
或者干脆在你的.git/config文件里添加如下内容这样就可以自动获取它们了。
```
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = git@github.com:tiimgreen/github-cheat-sheet.git
```
```
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = git@github.com:tiimgreen/github-cheat-sheet.git
fetch = +refs/pull/*/head:refs/remotes/origin/pr/*
```
[*进一步了解如何检出pull request到本地.*](https://help.github.com/articles/checking-out-pull-requests-locally)
### Empty Commits :trollface:
可以使用`--allow-empty`选项强制创建一个没有任何改动的提交:
```bash
$ git commit -m "Big-ass commit" --allow-empty
```
这样做在如下几种情况下是有意义的:
- 标记一批工作或一个新功能的开始。
- 记录你对项目进行了跟代码无关的改动。
- 跟使用你仓库的其他人交流。
- 作为仓库的第一次提交因为第一次提交日后是不能被rebase的 `git commit -m "init repo" --allow-empty`.
### Styled Git Status
在命令行输入如下命令:
```bash
$ git status
```
可以看到:
![git status](http://i.imgur.com/o3PEHAA.png)
加上`-sb`选项:
```bash
$ git status -sb
```
这回得到:
![git status -sb](http://i.imgur.com/xNI1bT0.png)
[*进一步了解 Git `status` 命令.*](http://git-scm.com/docs/git-status)
### Styled Git Log
输入如下命令:
```bash
$ git log --all --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative
```
可以看到:
![git log --all --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative](http://i.imgur.com/R2z8l7c.png)
这要归功于[Palesz](http://stackoverflow.com/users/88355/palesz)在stackoverflow的回答。
*这个命令可以被用作别名,详细做法见[这里](https://github.com/tiimgreen/github-cheat-sheet#aliases)。*
[*进一步了解 Git `log` 命令.*](http://git-scm.com/docs/git-log)
### Git Query
Git查询运行你在之前的所有提交信息里进行搜索找到其中和搜索条件相匹配的最近的一条。
```bash
$ git show :/query
```
这里 `query` (区别大小写)是你想要搜索的词语, 这条命令会找到包含这个词语的最后那个提交并显示变动详情。
```bash
$ git show :/typo
```
![git show :/query](http://i.imgur.com/icaGiNt.png)
* 按 `q` 键退出命令。*
### Merged Branches
输入命令:
```bash
$ git branch --merged
```
这会显示所有已经合并到你当前分支的分支列表。
相反地:
```bash
$ git branch --no-merged
```
会显示所有还没有合并到你当前分支的分支列表。
[*进一步了解 Git `branch` 命令.*](http://git-scm.com/docs/git-branch)
### Web Server for Browsing Local Repositories
使用Git的 `instaweb` 可以立即在 `gitweb`中浏览你的工作仓库。这个命令是个简单的脚步,配置了`gitweb`和用来浏览本地仓库的Web服务器。*译者注默认需要lighttpd支持*
```bash
$ git instaweb
```
执行后打开:
![Git instaweb](http://i.imgur.com/Dxekmqc.png)
[*进一步了解 Git `instaweb` 命令.*](http://git-scm.com/docs/git-instaweb)
### Git Configurations
所有Git配置都保存在你的`.gitconfig` 文件中。
#### Aliases
别名用来帮助你定义自己的git命令。比如你可以定义 `git a` 来运行 `git add --all`。
要添加一个别名, 一种方法是打开 `~/.gitconfig` 文件并添加如下内容:
```
[alias]
co = checkout
cm = commit
p = push
# Show verbose output about tags, branches or remotes
tags = tag -l
branches = branch -a
remotes = remote -v
```
...或者在命令行里键入:
```bash
$ git config --global alias.new_alias git_function
```
例如:
```bash
$ git config --global alias.cm commit
```
指向多个命令的别名可以用引号来定义:
```bash
$ git config --global alias.ac 'add -A . && commit'
```
下面列出了一些有用的别名:
| 别名 Alias | 命令 Command | 如何设置 What to Type |
| --- | --- | --- |
| `git cm` | `git commit` | `git config --global alias.cm commit` |
| `git co` | `git checkout` | `git config --global alias.co checkout` |
| `git ac` | `git add . -A` `git commit` | `git config --global alias.ac '!git add -A && git commit'` |
| `git st` | `git status -sb` | `git config --global alias.st 'status -sb'` |
| `git tags` | `git tag -l` | `git config --global alias.tags 'tag -l'` |
| `git branches` | `git branch -a` | `git config --global alias.branches 'branch -a'` |
| `git remotes` | `git remote -v` | `git config --global alias.remotes 'remote -v'` |
#### Auto-Correct
如果键入 `git comit` 你会看到如下输出:
```bash
$ git comit -m "Message"
# git: 'comit' is not a git command. See 'git --help'.
# Did you mean this?
# commit
```
为了在键入 `comit` 调用 `commit`命令,只需启用自动纠错功能:
```bash
$ git config --global help.autocorrect 1
```
现在你就会看到:
```bash
$ git comit -m "Message"
# WARNING: You called a Git command named 'comit', which does not exist.
# Continuing under the assumption that you meant 'commit'
# in 0.1 seconds automatically...
```
#### Color
要在你的Git命令输出里加上颜色的话可以用如下命令
```bash
$ git config --global color.ui 1
```
[*进一步了解 Git `config` 命令.*](http://git-scm.com/docs/git-config)
### Git Resources
| Title | Link |
| ----- | ---- |
| Official Git Site | http://git-scm.com/ |
| Official Git Video Tutorials | http://git-scm.com/videos |
| Code School Try Git | http://try.github.com/ |
| Introductory Reference & Tutorial for Git | http://gitref.org/ |
| Official Git Tutorial | http://git-scm.com/docs/gittutorial |
| Everyday Git | http://git-scm.com/docs/everyday |
| Git Immersion | http://gitimmersion.com/ |
| Ry's Git Tutorial | http://rypress.com/tutorials/git/index.html |
| Git for Designer | http://hoth.entp.com/output/git_for_designers.html |
| Git for Computer Scientists | http://eagain.net/articles/git-for-computer-scientists/ |
| Git Magic | http://www-cs-students.stanford.edu/~blynn/gitmagic/ |
#### Git Books
| Title | Link |
| ----- | ---- |
| Pragmatic Version Control Using Git | http://www.pragprog.com/titles/tsgit/pragmatic-version-control-using-git |
| Pro Git | http://git-scm.com/book |
| Git Internals Peepcode | http://peepcode.com/products/git-internals-pdf |
| Git in the Trenches | http://cbx33.github.com/gitt/ |
| Version Control with Git | http://www.amazon.com/Version-Control-Git-collaborative-development/dp/1449316387 |
| Pragmatic Guide to Git | http://www.pragprog.com/titles/pg_git/pragmatic-guide-to-git |
| Git: Version Control for Everyone | http://www.packtpub.com/git-version-control-for-everyone/book |