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| 17 | + <h3 class="article-title">Git 同步 fork 的代码</h3> |
| 18 | + <p class="article-time">2016-06-11, 浏览量:<span data-hk-page="current"> - </span> 次</p> |
| 19 | + <div class="article-desc article-content"><p>在 fork 了别人的一个项目,这时如果发现了别人的项目更新了,要怎么做才能把他更新的代码给拿过来呢?</p> |
| 20 | + |
| 21 | +<p>首先需给 fork 的项目配置一个 remote。可以先查看远程状态。</p> |
| 22 | +<div class="highlight"><pre><code class="language-bash" data-lang="bash">➜ git remote -v |
| 23 | +origin git@github.com:cobish/fork-demo.git <span class="o">(</span>fetch<span class="o">)</span> |
| 24 | +origin git@github.com:cobish/fork-demo.git <span class="o">(</span>push<span class="o">)</span> |
| 25 | +</code></pre></div> |
| 26 | +<p>添加一个将被同步给 fork 远程的上游仓库。</p> |
| 27 | +<div class="highlight"><pre><code class="language-bash" data-lang="bash">➜ git remote add upstream https://github.com/wabish/fork-demo.git |
| 28 | +</code></pre></div> |
| 29 | +<p>然后再次查看远程状态,可以发现 fork 的仓库也被加进来了</p> |
| 30 | +<div class="highlight"><pre><code class="language-bash" data-lang="bash">➜ git remote -v |
| 31 | +origin git@github.com:cobish/fork-demo.git <span class="o">(</span>fetch<span class="o">)</span> |
| 32 | +origin git@github.com:cobish/fork-demo.git <span class="o">(</span>push<span class="o">)</span> |
| 33 | +upstream https://github.com/wabish/fork-demo.git <span class="o">(</span>fetch<span class="o">)</span> |
| 34 | +upstream https://github.com/wabish/fork-demo.git <span class="o">(</span>push<span class="o">)</span> |
| 35 | +</code></pre></div> |
| 36 | +<p>接下来就是使用 fetch 来更新代码了,fetch 后会被存储在一个本地分支 upstream/master 上。</p> |
| 37 | +<div class="highlight"><pre><code class="language-bash" data-lang="bash">➜ git fetch upstream |
| 38 | +remote: Counting objects: 3, <span class="k">done</span>. |
| 39 | +remote: Compressing objects: 100% <span class="o">(</span>2/2<span class="o">)</span>, <span class="k">done</span>. |
| 40 | +remote: Total <span class="m">3</span> <span class="o">(</span>delta 0<span class="o">)</span>, reused <span class="m">3</span> <span class="o">(</span>delta 0<span class="o">)</span>, pack-reused 0 |
| 41 | +Unpacking objects: 100% <span class="o">(</span>3/3<span class="o">)</span>, <span class="k">done</span>. |
| 42 | +From https://github.com/wabish/fork-demo |
| 43 | + ee75d93..9b9d3cc master -> upstream/master |
| 44 | +</code></pre></div> |
| 45 | +<p>这样就更新成功,但还需要将分支 upstream/master 合并到我们自己的 master 分支上。</p> |
| 46 | +<div class="highlight"><pre><code class="language-bash" data-lang="bash">➜ git merge upstream/master |
| 47 | +</code></pre></div> |
| 48 | +<p>到这里已经完成了同步 fork 上更新的代码,最后还需 push 到 Github 上。</p> |
| 49 | +<div class="highlight"><pre><code class="language-bash" data-lang="bash">➜ git push origin master |
| 50 | +</code></pre></div> |
| 51 | +<p>因为项目已经配置了 remote,所以如果下次 fork 的项目又更新的,只要在使用 fetch 和 merge 即可更新自己的项目上。</p> |
| 52 | +<div class="highlight"><pre><code class="language-bash" data-lang="bash">➜ git fetch upstream |
| 53 | +➜ git merge upstream/master |
| 54 | +</code></pre></div></div> |
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