[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_11":-5},"routes/user.$name.replies",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":16},"replies",[34],"user",{"_20":21,"_13":14,"_22":23,"_24":14,"_25":26,"_27":28,"_29":30,"_31":16,"_32":33},"loginname","wuxiaoxiong","page",1,"limit",50,"total","id","20635","avatar_url","https://avatars.githubusercontent.com/u/7931367?v=3","githubUsername","create_at","2016-01-22 09:08:41.97","score",5,"topic_count",0,"reply_count","is_star",false,{"_20":35,"_36":37,"_38":39,"_40":41,"_42":43,"_44":45,"_46":47,"_48":33,"_31":28,"_49":50,"_25":51,"_52":53},"15992","author_id","14569","tab","share","content","https://blog.coding.net/blog/commit_message_change_log\r\n\r\nGit 每次提交代码，都要写 Commit message（提交说明），否则就不允许提交。\r\n\r\n```\r\n$ git commit -m \"hello world\"\r\n```\r\n上面代码的 `-m` 参数，就是用来指定 commit mesage 的。\r\n如果一行不够，可以只执行 `git commit`，就会跳出文本编辑器，让你写多行。\r\n\r\n```\r\n$ git commit\r\n```\r\n基本上，你写什么都行（[这里](http://www.commitlogsfromlastnight.com/)，[这里](http://blog.no-panic.at/2014/10/20/funny-initial-git-commit-messages/)和[这里](http://whatthecommit.com/)）。\r\n\r\n ![图片](https://dn-coding-net-production-pp.qbox.me/87b96972-b5f1-4541-badf-cd940e3c23b5.png) \r\n\r\n但是，一般来说，commit message 应该清晰明了，说明本次提交的目的。\r\n\r\n ![图片](https://dn-coding-net-production-pp.qbox.me/334d02fb-080a-4eb8-aeec-b0ce6e881f2d.png) \r\n\r\n目前，社区有多种 Commit message 的[写法规范](https://github.com/ajoslin/conventional-changelog/blob/master/conventions)。本文介绍 [Angular 规范](https://docs.google.com/document/d/1QrDFcIiPjSLDn3EL15IJygNPiHORgU1_OOAqWjiDU5Y/edit#heading=h.greljkmo14y0)（见上图），这是目前使用最广的写法，比较合理和系统化，并且有配套的工具。\r\n\r\n### 一、Commit message 的作用\r\n格式化的Commit message，有几个好处。\r\n**（1）提供更多的历史信息，方便快速浏览。**\r\n比如，下面的命令显示上次发布后的变动，每个commit占据一行。你只看行首，就知道某次 commit 的目的。\r\n\r\n```\r\n$ git log HEAD --pretty=format:%s\r\n```\r\n ![图片](https://dn-coding-net-production-pp.qbox.me/010d4c20-e35d-416c-b883-26ac1911f01f.png) \r\n\r\n**（2）可以过滤某些 commit（比如文档改动），便于快速查找信息。**\r\n比如，下面的命令仅仅显示本次发布新增加的功能。\r\n```\r\n$ git log HEAD --grep feature\r\n```\r\n\r\n**（3）可以直接从 commit 生成 Change log。**\r\n\r\nChange Log 是发布新版本时，用来说明与上一个版本差异的文档，详见后文。\r\n\r\n ![图片](https://dn-coding-net-production-pp.qbox.me/d232b787-74c1-44fb-b12f-dd8288084c66.png) \r\n\r\n### 二、Commit message 的格式\r\n每次提交，Commit message 都包括三个部分：Header，Body 和 Footer。\r\n```\r\n(): \r\n// 空一行\r\n\r\n// 空一行\r\n