January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Content preview from 可编程网络自动化
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256
｜
第
8
章
interface ethernet1
+ switchport mode trunk
interface ethernet2
+ switchport mode access vlan 102
interface ethernet3
-
+ switchport mode trunk
[vagrant@centos net-auto]$
在转向下一个话题（接下来要讨论
Git
分支）之前，先来回顾一下目前所学到的操作。
•
暂存变更（使用
git add
）并将其提交至仓库（使用
git commit
）。
•
修改
Git
配置（使用
git config
）。
•
撤销尚未提交的变更（使用
git reset
）。
•
从仓库中排除文件（使用
.gitignore
）。
•
查看仓库历史（使用
git log
）。
•
比对仓库中文件的不同版本，查看它们之间的差异（使用
git diff
）。
下一节将扩展对
Git
的讨论，加入可谓
Git
最强大的特性之一：分支。
8.6
Git
分支
回顾
8.4.1
节，其中提到了
Git
的主要设计目标之一是为非线性开发提供强有力的支持。这
听起来挺花哨，意思就是说
Git
需
要支持多名开发人员同时做一件事。该怎么实现呢？
Git
给出的答案是使用
分支
。
Git
分支是指向提交的指针
。这听起来似乎也没多大威力，下面让我们用一些图形来更好
地解释分支的概念以及为什么
Git
中的非线性开发如此强大。
首先，回忆一下，
8.4.3
节中讲到
Git
使用了一系列的对象
：
blob
对象（描述目录中的文件
内容） ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.