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  22.   | Using Mercurial for Status Reports
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  55.   <a name="using-mercurial-for-status-reports"></a>
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  56.   <h2 class="blog_post_title"><a href="/blog/2014/04/01/using-mercurial-for-status-reports" rel="bookmark" title="Permanent Link to Using Mercurial for Status Reports">Using Mercurial for Status Reports</a></h2>
    57. 

  57.   <small>April 01, 2014 at 12:30 PM | categories: 
    58. 

  58. 

  59. <a href='/blog/category/mercurial'>Mercurial</a>, <a href='/blog/category/mozilla'>Mozilla</a>
    60. 

  60. </small><p/>
    61. 

  61.   <div class="post_prose">
    62. 

  62.     
    63. 

  63.   <p>Mercurial has a pair of amazing features called
    64. 

  64. <a href="http://www.selenic.com/hg/help/revsets">Revisions Sets</a>
    65. 

  65. and <a href="http://www.selenic.com/hg/help/templates">Templates</a>. Combined,
    66. 

  66. they allow you to query Mercurial like a database and to generate custom
    67. 

  67. reports from obtained data.</p>
    68. 

  68. <p>As I've <a href="/blog/2013/11/08/using-mercurial-to-query-mozilla-metadata/">demonstrated</a>,
    69. 

  69. you can write Mercurial extensions to provide custom revision set
    70. 

  70. queries and template functions and keywords. My
    71. 

  71. <a href="https://hg.mozilla.org/hgcustom/version-control-tools/file/default/hgext/mozext">mozext</a>
    72. 

  72. extension aggregates Mozilla's <em>pushlog</em> data into a local SQLite
    73. 

  73. database and makes this data available to revision sets and templates.</p>
    74. 

  74. <p>My hack of the day is to use revision sets and templates to create a
    75. 

  75. weekly status report:</p>
    76. 

  76. <div class="pygments_murphy"><pre><span></span>hg log -r &#39;public() and me() and firstpushdate(&quot;-7&quot;)&#39; \
    77. 

  77. --template &#39;* {ifeq(reviewer, &quot;gps&quot;, &quot;Review: &quot;, &quot;Landing: &quot;)}{firstline(desc)}\n&#39;
    78. 

  78. </pre></div>
    79. 

  79. 

  80. <p>When I run this, I get the output:</p>
    81. 

  81. <div class="pygments_murphy"><pre><span></span>* Review: Bug 957241 - Don&#39;t package the full sdk when we don&#39;t need it. r=gps
    82. 

  82. * Review: Bug 987146 - Represent SQL queries more efficiently. r=gps.
    83. 

  83. * Review: Bug 987984 - VirtualenvManager.call_setup() should use self.python_path instead of sys.executable, r=gps
    84. 

  84. * Landing: Bug 987398 - Part 1: Run mochitests from manifests with mach; r=ahal
    85. 

  85. * Landing: Bug 987398 - Part 2: Handle install-to-subdir in TestResolver; r=ahal
    86. 

  86. * Landing: Bug 987414 - Pass multiple test arguments to mach testing commands; r=ahal
    87. 

  87. * Review: Bug 988141 - Clean up config/recurse.mk after bug 969164. r=gps
    88. 

  88. * Landing: Bug 973992 - Support experiments add-ons; r=Unfocused
    89. 

  89. * Review: Bug 927672 - Force pymake to fall back to mozmake when run on build slaves. r=gps
    90. 

  90. * Review: Bug 989147 - Use new sccache for Linux and Android builds. r=gps
    91. 

  91. * Review: Bug 989147 - Add missing part of the patch from rebase conflict. r=gps
    92. 

  92. * Landing: Bug 975000 - Disable updating and compatibility checking for Experiments; r=Unfocused
    93. 

  93. * Landing: Bug 985084 - Experiment add-ons should be disabled by default; r=Unfocused
    94. 

  94. * Landing: Backed out changeset 4834a3833639 and c580afddd1cb (bug 985084 and bug 97500)
    95. 

  95. * Landing: Bug 975000 - Disable updating and compatibility checking for Experiments; r=Unfocused
    96. 

  96. * Landing: Bug 985084 - Experiment add-ons should be disabled by default; r=Unfocused
    97. 

  97. * Landing: Bug 989137 - Part 1: Uninstall unknown experiments; r=Unfocused
    98. 

  98. * Landing: Bug 989137 - Part 2: Don&#39;t use a global logger; r=gfritzsche
    99. 

  99. * Landing: Bug 989137 - Part 3: Log.jsm API to get a Logger that prefixes messages; r=bsmedberg
    100. 

  100. * Landing: Bug 989137 - Part 4: Use a prefixing logger for Experiments logging; r=gfritzsche
    101. 

  101. * Landing: Bug 989137 - Part 5: Prefix each log message with the instance of the object; r=gfritzsche
    102. 

  102. * Review: Bug 988849 - Add mach target for jit tests; r=gps
    103. 

  103. * Landing: Bug 989137 - Part 6: Create experiment XPIs during the build; r=bsmedberg
    104. 

  104. * Landing: Bug 989137 - Part 7: Remove unncessary content from test experiments; r=Unfocused
    105. 

  105. * Landing: Bug 985084 - Part 2: Properly report userDisabled in the API; r=Unfocused
    106. 

  106. </pre></div>
    107. 

  107. 

  108. <p>Which I can then copy and paste directly into the
    109. 

  109. <a href="http://benjamin.smedbergs.us/weekly-updates.fcgi/">status tool</a> to
    110. 

  110. capture all my weekly code contributions! That takes a few seconds to
    111. 

  111. run and saves me a few minutes of typing.</p>
    112. 

  112. <p>For the curious, let's break that Mercurial command down.</p>
    113. 

  113. <ul>
    114. 

  114. <li>public() selects all <em>public</em> changesets. These are changesets in the
    115. 

  115.   repository that have been pushed to a publishing repository. In other
    116. 

  116.   words, patches that landed in Firefox.</li>
    117. 

  117. <li>me() is a custom revset from my <em>mozext</em> extension that parses the
    118. 

  118.   commit message and selects changesets that I authored or reviewed.</li>
    119. 

  119. <li>firstpushdate("-7") is a custom revset from my <em>mozext</em> extension. It
    120. 

  120.   selects changesets that were first pushed in the last 7 days (using
    121. 

  121.   pushlog data stored in a local SQLite database).</li>
    122. 

  122. </ul>
    123. 

  123. <p>The template piece should be easy to read. I have a simple branch
    124. 

  124. testing whether the changeset is a review or not, then output a label
    125. 

  125. followed by the first line of the commit message.</p>
    126. 

  126. <p>I have this command saved under the <em>[alias]</em> section of my <em>~/.hgrc</em>
    127. 

  127. file so I can just type <em>hg statusreport</em>.</p>
    128. 

  128. <p>While there is room to improve the tool (stripping <em>r=</em> lines from
    129. 

  129. commit messages for example), I think it's a pretty cool hack and shows
    130. 

  130. how Mercurial can grow to solve problems you don't think your version
    131. 

  131. control system knows how to solve.</p>
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  132. 

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    194. 

  194.   <p>Copyright (c) 2012- Gregory Szorc. All rights reserved. Design by <a href="http://www.freecsstemplates.org/"> CSS Templates</a>.</p>
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