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<div class="section" id="publishing-a-branch">
<span id="id1"></span><h1>Publishing a branch<a class="headerlink" href="#publishing-a-branch" title="Permalink to this headline">¶</a></h1>
<div class="section" id="setting-up-a-central-repository">
<h2>Setting up a central repository<a class="headerlink" href="#setting-up-a-central-repository" title="Permalink to this headline">¶</a></h2>
<p>While the centralized workflow can be used by socially nominating
any branch on any computer as the central one, in practice most
teams have a dedicated server for hosting central branches.</p>
<p>Just as it’s best practice to use a shared repository locally,
it’s advisable to put central branches in a shared repository.
Note that central shared branches typically only want to
store history, not working copies of files, so their enclosing
repository is usually creating using the <code class="docutils literal notranslate"><span class="pre">no-trees</span></code> option, e.g.:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">bzr</span> <span class="n">init</span><span class="o">-</span><span class="n">repo</span> <span class="o">--</span><span class="n">no</span><span class="o">-</span><span class="n">trees</span> <span class="n">bzr</span><span class="o">+</span><span class="n">ssh</span><span class="p">:</span><span class="o">//</span><span class="n">centralhost</span><span class="o">/</span><span class="n">srv</span><span class="o">/</span><span class="n">bzr</span><span class="o">/</span><span class="n">PROJECT</span>
</pre></div>
</div>
<p>You can think of this step as similar to setting up a new cvsroot or
Subversion repository. However, Bazaar gives you more flexibility
in how branches may be organised in your repository. See
<a class="reference external" href="shared_repository_layouts.html">Advanced shared repository layouts</a>
in the appendices for guidelines and examples.</p>
</div>
<div class="section" id="starting-a-central-branch">
<h2>Starting a central branch<a class="headerlink" href="#starting-a-central-branch" title="Permalink to this headline">¶</a></h2>
<p>There are two ways of populating a central branch with some initial
content:</p>
<blockquote>
<div><ol class="arabic simple">
<li>Making a local branch and pushing it to a central location</li>
<li>Making an empty central branch then committing content to it.</li>
</ol>
</div></blockquote>
<p>Here is an example of the first way:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">bzr</span> <span class="n">init</span><span class="o">-</span><span class="n">repo</span> <span class="n">PROJECT</span> <span class="p">(</span><span class="n">prepare</span> <span class="n">local</span> <span class="n">repository</span><span class="p">)</span>
<span class="n">bzr</span> <span class="n">init</span> <span class="n">PROJECT</span><span class="o">/</span><span class="n">trunk</span>
<span class="n">cd</span> <span class="n">PROJECT</span><span class="o">/</span><span class="n">trunk</span>
<span class="p">(</span><span class="n">copy</span> <span class="n">development</span> <span class="n">files</span><span class="p">)</span>
<span class="n">cp</span> <span class="o">-</span><span class="n">ar</span> <span class="o">~/</span><span class="n">PROJECT</span> <span class="o">.</span> <span class="p">(</span><span class="n">copy</span> <span class="n">files</span> <span class="ow">in</span> <span class="n">using</span> <span class="n">OS</span><span class="o">-</span><span class="n">specific</span> <span class="n">tools</span><span class="p">)</span>
<span class="n">bzr</span> <span class="n">add</span> <span class="p">(</span><span class="n">populate</span> <span class="n">repository</span><span class="p">;</span> <span class="n">start</span> <span class="n">version</span> <span class="n">control</span><span class="p">)</span>
<span class="n">bzr</span> <span class="n">commit</span> <span class="o">-</span><span class="n">m</span> <span class="s2">"Initial import"</span>
<span class="p">(</span><span class="n">publish</span> <span class="n">to</span> <span class="n">central</span> <span class="n">repository</span><span class="p">)</span>
<span class="n">bzr</span> <span class="n">push</span> <span class="n">bzr</span><span class="o">+</span><span class="n">ssh</span><span class="p">:</span><span class="o">//</span><span class="n">centralhost</span><span class="o">/</span><span class="n">srv</span><span class="o">/</span><span class="n">bzr</span><span class="o">/</span><span class="n">PROJECT</span><span class="o">/</span><span class="n">trunk</span>
</pre></div>
</div>
<p>Here is an example of the second way:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">bzr</span> <span class="n">init</span><span class="o">-</span><span class="n">repo</span> <span class="n">PROJECT</span> <span class="p">(</span><span class="n">prepare</span> <span class="n">local</span> <span class="n">repository</span><span class="p">)</span>
<span class="n">cd</span> <span class="n">PROJECT</span>
<span class="n">bzr</span> <span class="n">init</span> <span class="n">bzr</span><span class="o">+</span><span class="n">ssh</span><span class="p">:</span><span class="o">//</span><span class="n">centralhost</span><span class="o">/</span><span class="n">srv</span><span class="o">/</span><span class="n">bzr</span><span class="o">/</span><span class="n">PROJECT</span><span class="o">/</span><span class="n">trunk</span>
<span class="n">bzr</span> <span class="n">checkout</span> <span class="n">bzr</span><span class="o">+</span><span class="n">ssh</span><span class="p">:</span><span class="o">//</span><span class="n">centralhost</span><span class="o">/</span><span class="n">srv</span><span class="o">/</span><span class="n">bzr</span><span class="o">/</span><span class="n">PROJECT</span><span class="o">/</span><span class="n">trunk</span>
<span class="n">cd</span> <span class="n">trunk</span>
<span class="n">cp</span> <span class="o">-</span><span class="n">ar</span> <span class="o">~/</span><span class="n">PROJECT</span> <span class="o">.</span> <span class="p">(</span><span class="n">copy</span> <span class="n">files</span> <span class="ow">in</span> <span class="n">using</span> <span class="n">OS</span><span class="o">-</span><span class="n">specific</span> <span class="n">tools</span><span class="p">)</span>
<span class="n">bzr</span> <span class="n">add</span> <span class="p">(</span><span class="n">populate</span> <span class="n">repository</span><span class="p">;</span> <span class="n">start</span> <span class="n">version</span> <span class="n">control</span><span class="p">)</span>
<span class="n">bzr</span> <span class="n">commit</span> <span class="o">-</span><span class="n">m</span> <span class="s2">"Initial import"</span>
<span class="p">(</span><span class="n">publish</span> <span class="n">to</span> <span class="n">central</span> <span class="n">repository</span><span class="p">)</span>
</pre></div>
</div>
<p>Note that committing inside a working tree created using
the <code class="docutils literal notranslate"><span class="pre">checkout</span></code> command implicitly commits the content to
the central location as well as locally. Had we used the
<code class="docutils literal notranslate"><span class="pre">branch</span></code> command instead of <code class="docutils literal notranslate"><span class="pre">checkout</span></code> above, the
content would have only been committed locally.</p>
<p>Working trees that are tightly bound to a central location
like this are called <em>checkouts</em>. The rest of this chapter
explains their numerous features in more detail.</p>
</div>
</div>
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<h3><a href="../index.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">Publishing a branch</a><ul>
<li><a class="reference internal" href="#setting-up-a-central-repository">Setting up a central repository</a></li>
<li><a class="reference internal" href="#starting-a-central-branch">Starting a central branch</a></li>
</ul>
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