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      hg-prompt » Usage
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  <h1 id="usage">Usage</h1>
<p>The <code>hg prompt</code> command takes a single string as an argument and outputs it.  Here's a simple (and useless) example:</p>
<div class="codehilite"><pre><span class="nv">$</span> <span class="nv">hg</span> <span class="n">prompt</span> <span class="s">&quot;test&quot;</span>
<span class="n">test</span>
</pre></div>


<p>Keywords in curly braces can be used to output repository information:</p>
<div class="codehilite"><pre><span class="nv">$</span> <span class="nv">hg</span> <span class="n">prompt</span> <span class="s">&quot;currently on {branch}&quot;</span>
<span class="n">currently</span> <span class="n">on</span> <span class="n">default</span>
</pre></div>


<p>Keywords also have an extended form:</p>
<div class="codehilite"><pre><span class="p">{</span><span class="n">optional</span> <span class="n">text</span><span class="p">{</span><span class="n">branch</span><span class="p">}</span><span class="n">more</span> <span class="n">optional</span> <span class="n">text</span><span class="p">}</span>
</pre></div>


<p>This form will output the text and the expanded keyword <strong>only</strong> if the keyword successfully expands.  This can be useful for displaying extra text only if it's applicable:</p>
<div class="codehilite"><pre><span class="nv">$</span> <span class="nv">hg</span> <span class="n">prompt</span> <span class="s">&quot;currently on {branch} and at {bookmark}&quot;</span>
<span class="n">currently</span> <span class="n">on</span> <span class="n">branch</span> <span class="n">default</span> <span class="ow">and</span> <span class="n">at</span>

<span class="nv">$</span> <span class="nv">hg</span> <span class="n">prompt</span> <span class="s">&quot;currently on {branch} {and at {bookmark}}&quot;</span>
<span class="n">currently</span> <span class="n">on</span> <span class="n">branch</span> <span class="n">default</span>

<span class="nv">$</span> <span class="nv">hg</span> <span class="n">bookmark</span> <span class="k">my</span><span class="o">-</span><span class="n">book</span>

<span class="nv">$</span> <span class="nv">hg</span> <span class="n">prompt</span> <span class="s">&quot;currently on {branch} {and at {bookmark}}&quot;</span>
<span class="n">currently</span> <span class="n">on</span> <span class="n">branch</span> <span class="n">default</span> <span class="ow">and</span> <span class="n">at</span> <span class="k">my</span><span class="o">-</span><span class="n">book</span>
</pre></div>


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author	Steve Losh <steve@stevelosh.com>
date	Thu, 19 Nov 2009 21:27:50 -0500
parents	60ecbe350af6
children	cf9d11b07810