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<li class="toctree-l1"><a class="reference internal" href="cdist-intro.html">1. cdist - usable configuration management</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-why.html">2. Why should I use cdist?</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-bootstrap.html">11. Bootstrap</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-configuration.html">12. Configuration</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-manifest.html">13. Manifest</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-type.html">14. cdist type</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-stages.html">23. Execution stages</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-cache.html">24. Local cache overview</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-saving-output-streams.html">25. Saving output streams</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-remote-exec-copy.html">26. Remote exec and copy commands</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">27. Hacking</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#welcome">27.1. Welcome</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#reporting-bugs">27.2. Reporting bugs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#coding-conventions-everywhere">27.3. Coding conventions (everywhere)</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#how-to-submit-stuff-for-inclusion-into-upstream-cdist">27.4. How to submit stuff for inclusion into upstream cdist</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#how-to-submit-a-new-type">27.5. How to submit a new type</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#example-git-workflow">27.6. Example git workflow</a></li>
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<div class="section" id="hacking">
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<h1>27. Hacking<a class="headerlink" href="#hacking" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="welcome">
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<h2>27.1. Welcome<a class="headerlink" href="#welcome" title="Permalink to this headline">¶</a></h2>
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<p>Welcome dear hacker! I invite you to a tour of pointers to
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get into the usable configuration management system, cdist.</p>
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<p>The first thing to know is probably that cdist is brought to
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you by people who care about how code looks like and who think
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twice before merging or implementing a feature: Less features
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with good usability are far better than the opposite.</p>
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</div>
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<div class="section" id="reporting-bugs">
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<h2>27.2. Reporting bugs<a class="headerlink" href="#reporting-bugs" title="Permalink to this headline">¶</a></h2>
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<p>If you believe you've found a bug and verified that it is
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in the latest version, drop a mail to the cdist mailing list,
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subject prefixed with "[BUG] " or create an issue on github.</p>
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</div>
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<div class="section" id="coding-conventions-everywhere">
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<h2>27.3. Coding conventions (everywhere)<a class="headerlink" href="#coding-conventions-everywhere" title="Permalink to this headline">¶</a></h2>
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<p>If something should be improved or needs to be fixed, add the word FIXME
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nearby, so grepping for FIXME gives all positions that need to be fixed.</p>
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<p>Indentation is 4 spaces (welcome to the python world).</p>
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</div>
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<div class="section" id="how-to-submit-stuff-for-inclusion-into-upstream-cdist">
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<h2>27.4. How to submit stuff for inclusion into upstream cdist<a class="headerlink" href="#how-to-submit-stuff-for-inclusion-into-upstream-cdist" title="Permalink to this headline">¶</a></h2>
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<p>If you did some cool changes to cdist, which you think might be of benefit to other
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cdist users, you're welcome to propose inclusion into upstream.</p>
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<p>There are some requirements to ensure your changes don't break other peoples
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work nor kill the authors brain:</p>
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<ul>
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<li><p class="first">All files should contain the usual header (Author, Copying, etc.)</p>
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</li>
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<li><p class="first">Code submission must be done via git</p>
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</li>
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<li><p class="first">Do not add cdist/conf/manifest/init - This file should only be touched in your
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private branch!</p>
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</li>
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<li><p class="first">Code to be included should be branched of the upstream "master" branch</p>
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<blockquote>
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<div><ul class="simple">
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<li>Exception: Bugfixes to a version branch</li>
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</ul>
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</div></blockquote>
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</li>
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<li><p class="first">On a merge request, always name the branch I should pull from</p>
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</li>
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<li><p class="first">Always ensure <strong>all</strong> manpages build. Use <strong>./build man</strong> to test.</p>
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</li>
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<li><p class="first">If you developed more than <strong>one</strong> feature, consider submitting them in
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separate branches. This way one feature can already be included, even if
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the other needs to be improved.</p>
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</li>
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</ul>
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<p>As soon as your work meets these requirements, write a mail
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for inclusion to the mailinglist <strong>cdist-configuration-management at googlegroups.com</strong>
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or open a pull request at <a class="reference external" href="http://github.com/ungleich/cdist">http://github.com/ungleich/cdist</a>.</p>
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</div>
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<div class="section" id="how-to-submit-a-new-type">
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<h2>27.5. How to submit a new type<a class="headerlink" href="#how-to-submit-a-new-type" title="Permalink to this headline">¶</a></h2>
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<p>For detailed information about types, see <a class="reference external" href="cdist-type.html">cdist type</a>.</p>
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<p>Submitting a type works as described above, with the additional requirement
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that a corresponding manpage named man.rst in ReSTructured text format with
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the manpage-name "cdist-type__NAME" is included in the type directory
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AND the manpage builds (<cite>make man</cite>).</p>
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<p>Warning: Submitting "exec" or "run" types that simply echo their parameter in
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<strong>gencode</strong> will not be accepted, because they are of no use. Every type can output
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code and thus such a type introduces redundant functionality that is given by
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core cdist already.</p>
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</div>
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<div class="section" id="example-git-workflow">
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<h2>27.6. Example git workflow<a class="headerlink" href="#example-git-workflow" title="Permalink to this headline">¶</a></h2>
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<p>The following workflow works fine for most developers</p>
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<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="c1"># get latest upstream master branch</span>
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git clone https://github.com/ungleich/cdist.git
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<span class="c1"># update if already existing</span>
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<span class="nb">cd</span> cdist<span class="p">;</span> git fetch -v<span class="p">;</span> git merge origin/master
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<span class="c1"># create a new branch for your feature/bugfix</span>
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<span class="nb">cd</span> cdist <span class="c1"># if you haven't done before</span>
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git checkout -b documentation_cleanup
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<span class="c1"># *hack*</span>
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*hack*
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<span class="c1"># clone the cdist repository on github if you haven't done so</span>
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<span class="c1"># configure your repo to know about your clone (only once)</span>
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git remote add github git@github.com:YOURUSERNAME/cdist.git
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<span class="c1"># push the new branch to github</span>
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git push github documentation_cleanup
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<span class="c1"># (or everything)</span>
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git push --mirror github
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<span class="c1"># create a pull request at github (use a browser)</span>
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<span class="c1"># *fixthingsbecausequalityassurancefoundissuesinourpatch*</span>
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*hack*
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<span class="c1"># push code to github again</span>
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git push ... <span class="c1"># like above</span>
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<span class="c1"># add comment that everything should be green now (use a browser)</span>
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<span class="c1"># go back to master branch</span>
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git checkout master
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<span class="c1"># update master branch that includes your changes now</span>
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git fetch -v origin
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git diff master..origin/master
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git merge origin/master
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</pre></div>
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</div>
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<p>If at any point you want to go back to the original master branch, you can
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use <strong>git stash</strong> to stash your changes away:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o">..</span> <span class="n">code</span><span class="o">-</span><span class="n">block</span><span class="p">::</span> <span class="n">sh</span>
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</pre></div>
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</div>
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<blockquote>
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<div><p># assume you are on documentation_cleanup
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git stash</p>
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<p># change to master and update to most recent upstream version
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git checkout master
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git fetch -v origin
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git merge origin/master</p>
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</div></blockquote>
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<p>Similarly when you want to develop another new feature, you go back
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to the master branch and create another branch based on it:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o">..</span> <span class="n">code</span><span class="o">-</span><span class="n">block</span><span class="p">::</span> <span class="n">sh</span>
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</pre></div>
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</div>
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<blockquote>
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<div><p># change to master and update to most recent upstream version
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git checkout master
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git fetch -v origin
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git merge origin/master</p>
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<p>git checkout -b another_feature</p>
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</div></blockquote>
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<p>(you can repeat the code above for as many features as you want to develop
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in parallel)</p>
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</div>
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</div>
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<a href="cdist-troubleshooting.html" class="btn btn-neutral float-right" title="28. Troubleshooting" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
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