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      <th class=docs><h1>git2.c</h1></th>
      <th class=code></th>
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        <div class="pilwrap">
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      </td>
      <td class=code>
        <div class='highlight'><pre><span></span><span class="cp">#include</span> <span class="cpf">&lt;stdlib.h&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;stdio.h&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;string.h&gt;</span><span class="cp"></span>

<span class="cp">#include</span> <span class="cpf">&quot;common.h&quot;</span><span class="cp"></span></pre></div>
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        <p>This part is not strictly libgit2-dependent, but you can use this
as a starting point for a git-like tool</p>
      </td>
      <td class=code>
        <div class='highlight'><pre><span class="k">struct</span> <span class="p">{</span>
  <span class="kt">char</span> <span class="o">*</span><span class="n">name</span><span class="p">;</span>
  <span class="n">git_cb</span> <span class="n">fn</span><span class="p">;</span>
<span class="p">}</span> <span class="n">commands</span><span class="p">[]</span> <span class="o">=</span> <span class="p">{</span>
  <span class="p">{</span><span class="s">&quot;ls-remote&quot;</span><span class="p">,</span> <span class="n">ls_remote</span><span class="p">},</span>
  <span class="p">{</span><span class="s">&quot;fetch&quot;</span><span class="p">,</span> <span class="n">fetch</span><span class="p">},</span>
  <span class="p">{</span><span class="s">&quot;clone&quot;</span><span class="p">,</span> <span class="n">do_clone</span><span class="p">},</span>
  <span class="p">{</span><span class="s">&quot;index-pack&quot;</span><span class="p">,</span> <span class="n">index_pack</span><span class="p">},</span>
  <span class="p">{</span> <span class="nb">NULL</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">}</span>
<span class="p">};</span>

<span class="k">static</span> <span class="kt">int</span> <span class="nf">run_command</span><span class="p">(</span><span class="n">git_cb</span> <span class="n">fn</span><span class="p">,</span> <span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="o">**</span><span class="n">argv</span><span class="p">)</span>
<span class="p">{</span>
  <span class="kt">int</span> <span class="n">error</span><span class="p">;</span>
  <span class="n">git_repository</span> <span class="o">*</span><span class="n">repo</span><span class="p">;</span></pre></div>
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        <p>Before running the actual command, create an instance of the local
repository and pass it to the function.</p>
      </td>
      <td class=code>
        <div class='highlight'><pre>  <span class="n">error</span> <span class="o">=</span> <span class="n">git_repository_open</span><span class="p">(</span><span class="o">&amp;</span><span class="n">repo</span><span class="p">,</span> <span class="s">&quot;.git&quot;</span><span class="p">);</span>
  <span class="k">if</span> <span class="p">(</span><span class="n">error</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">)</span>
    <span class="n">repo</span> <span class="o">=</span> <span class="nb">NULL</span><span class="p">;</span></pre></div>
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        <p>Run the command. If something goes wrong, print the error message to stderr</p>

      </td>
      <td class=code>
        <div class='highlight'><pre>  <span class="n">error</span> <span class="o">=</span> <span class="n">fn</span><span class="p">(</span><span class="n">repo</span><span class="p">,</span> <span class="n">argc</span><span class="p">,</span> <span class="n">argv</span><span class="p">);</span>
  <span class="k">if</span> <span class="p">(</span><span class="n">error</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="n"><a name="giterr_last-1" class="fnlink" href="../../#v0.23.3/group/giterr/giterr_last">giterr_last</a></span><span class="p">()</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span>
      <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">&quot;Error without message&quot;</span><span class="p">);</span>
    <span class="k">else</span>
      <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">&quot;Bad news:</span><span class="se">\n</span><span class="s"> %s</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span> <span class="n"><a name="giterr_last-2" class="fnlink" href="../../#v0.23.3/group/giterr/giterr_last">giterr_last</a></span><span class="p">()</span><span class="o">-&gt;</span><span class="n">message</span><span class="p">);</span>
  <span class="p">}</span>

  <span class="k">if</span><span class="p">(</span><span class="n">repo</span><span class="p">)</span>
    <span class="n">git_repository_free</span><span class="p">(</span><span class="n">repo</span><span class="p">);</span>

  <span class="k">return</span> <span class="o">!!</span><span class="n">error</span><span class="p">;</span>
<span class="p">}</span>

<span class="kt">int</span> <span class="nf">main</span><span class="p">(</span><span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="o">**</span><span class="n">argv</span><span class="p">)</span>
<span class="p">{</span>
  <span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
  <span class="kt">int</span> <span class="n">return_code</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>

  <span class="k">if</span> <span class="p">(</span><span class="n">argc</span> <span class="o">&lt;</span> <span class="mi">2</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">&quot;usage: %s &lt;cmd&gt; [repo]</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">argv</span><span class="p">[</span><span class="mi">0</span><span class="p">]);</span>
    <span class="n">exit</span><span class="p">(</span><span class="n">EXIT_FAILURE</span><span class="p">);</span>
  <span class="p">}</span>

  <span class="n"><a name="git_libgit2_init-3" class="fnlink" href="../../#v0.23.3/group/libgit2/git_libgit2_init">git_libgit2_init</a></span><span class="p">();</span>

  <span class="k">for</span> <span class="p">(</span><span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">commands</span><span class="p">[</span><span class="n">i</span><span class="p">].</span><span class="n">name</span> <span class="o">!=</span> <span class="nb">NULL</span><span class="p">;</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">commands</span><span class="p">[</span><span class="n">i</span><span class="p">].</span><span class="n">name</span><span class="p">))</span> <span class="p">{</span>
      <span class="n">return_code</span> <span class="o">=</span> <span class="n">run_command</span><span class="p">(</span><span class="n">commands</span><span class="p">[</span><span class="n">i</span><span class="p">].</span><span class="n">fn</span><span class="p">,</span> <span class="o">--</span><span class="n">argc</span><span class="p">,</span> <span class="o">++</span><span class="n">argv</span><span class="p">);</span>
      <span class="k">goto</span> <span class="n">shutdown</span><span class="p">;</span>
    <span class="p">}</span>
  <span class="p">}</span>

  <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">&quot;Command not found: %s</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">]);</span>

<span class="nl">shutdown</span><span class="p">:</span>
  <span class="n"><a name="git_libgit2_shutdown-4" class="fnlink" href="../../#v0.23.3/group/libgit2/git_libgit2_shutdown">git_libgit2_shutdown</a></span><span class="p">();</span>

  <span class="k">return</span> <span class="n">return_code</span><span class="p">;</span>
<span class="p">}</span></pre></div>
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