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[#]: via: (https://opensource.com/article/19/4/getting-started-mercurial) [#]: via: (https://opensource.com/article/19/4/getting-started-mercurial)
[#]: author: (Moshe Zadka https://opensource.com/users/moshez) [#]: author: (Moshe Zadka https://opensource.com/users/moshez)
Getting started with Mercurial for version control 开始使用 Mercurial 进行版本控制
====== ======
Learn the basics of Mercurial, a distributed version control system 了解 Mercurial 的基础知识,它是一个用 Python 写的分布式版本控制系统。
written in Python.
![][1] ![][1]
[Mercurial][2] is a distributed version control system written in Python. Because it's written in a high-level language, you can write a Mercurial extension with a few Python functions. [Mercurial][2] 是一个用 Python 编写的分布式版本控制系统。因为它是用高级语言编写的,所以你可以用 Python 函数编写一个 Mercurial 扩展。
There are several ways to install Mercurial, which are explained in the [official documentation][3]. My favorite one is not there: using **pip**. This is the most amenable way to develop local extensions! 在[官方文档中][3]说明了几种安装 Mercurial 的方法。我最喜欢的一种方法不在里面:使用 **pip**。这是开发本地扩展的最合适方式!
For now, Mercurial only supports Python 2.7, so you will need to create a Python 2.7 virtual environment: 目前Mercurial 仅支持 Python 2.7,因此你需要创建一个 Python 2.7 虚拟环境:
``` ```
@ -25,7 +25,7 @@ python2 -m virtualenv mercurial-env
./mercurial-env/bin/pip install mercurial ./mercurial-env/bin/pip install mercurial
``` ```
To have a short command, and to satisfy everyone's insatiable need for chemistry-based humor, the command is called **hg**. 为了有一个简短的命令,以及满足人们对化学幽默的无法满足的需求,命令称之为 **hg**
``` ```
@ -37,7 +37,7 @@ $ source mercurial-env/bin/activate
(mercurial-env)$ (mercurial-env)$
``` ```
The status is empty since you do not have any files. Add a couple of files: 由于还没有任何文件,因此状态为空。添加几个文件:
``` ```
@ -58,11 +58,11 @@ date: Fri Mar 29 12:42:43 2019 -0700
summary: Adding stuff summary: Adding stuff
``` ```
The **addremove** command is useful: it adds any new files that are not ignored to the list of managed files and removes any files that have been removed. **addremove** 命令很有用:它将任何未被忽略的新文件添加到托管文件列表中,并移除任何已删除的文件。
As I mentioned, Mercurial extensions are written in Python—they are just regular Python modules. 如我所说Mercurial 扩展用 Python 写成,它们只是常规的 Python 模块。
This is an example of a short Mercurial extension: 这是一个简短的 Mercurial 扩展示例:
``` ```
@ -78,14 +78,14 @@ def say_hello(ui, repo, **opts):
ui.write("hello ", opts['whom'], "\n") ui.write("hello ", opts['whom'], "\n")
``` ```
A simple way to test it is to put it in a file in the virtual environment manually: 一个简单的测试方法是将它手动加入虚拟环境中的文件中:
``` ```
`$ vi ../mercurial-env/lib/python2.7/site-packages/hello_ext.py` `$ vi ../mercurial-env/lib/python2.7/site-packages/hello_ext.py`
``` ```
Then you need to _enable_ the extension. You can start by enabling it only in the current repository: 然后你需要_启用_扩展。你可以仅在当前仓库中启用它开始
``` ```
@ -94,7 +94,7 @@ $ cat >> .hg/hgrc
hello_ext = hello_ext =
``` ```
Now, a greeting is possible: 现在,问候有了:
``` ```
@ -102,9 +102,9 @@ Now, a greeting is possible:
hello world hello world
``` ```
Most extensions will do more useful stuff—possibly even things to do with Mercurial. The **repo** object is a **mercurial.hg.repository** object. 大多数扩展会做更多有用的东西,甚至可能与 Mercurial 有关。 **repo** 对象是 **mercurial.hg.repository** 的对象。
Refer to the [official documentation][5] for more about Mercurial's API. And visit the [official repo][6] for more examples and inspiration. 有关 Mercurial API 的更多信息,请参阅[官方文档][5]。并访问[官方仓库][6]获取更多示例和灵感。
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------
@ -112,7 +112,7 @@ via: https://opensource.com/article/19/4/getting-started-mercurial
作者:[Moshe Zadka (Community Moderator)][a] 作者:[Moshe Zadka (Community Moderator)][a]
选题:[lujun9972][b] 选题:[lujun9972][b]
译者:[译者ID](https://github.com/译者ID) 译者:[geekpi](https://github.com/geekpi)
校对:[校对者ID](https://github.com/校对者ID) 校对:[校对者ID](https://github.com/校对者ID)
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