--- a/config.py	Wed Nov 21 20:41:07 2018 +0800
+++ b/config.py	Wed Nov 21 20:42:40 2018 +0800
@@ -47,3 +47,14 @@
 conf.registerGlobalValue(Mercurial, 'path',
                          registry.String('hg',
                                          """Path to the mercurial binary"""))
+
+conf.registerGroup(Mercurial, 'repos')
+conf.registerGlobalValue(Mercurial.repos, 'hg',
+                         registry.String('/home/hg/repos/hg',
+                                         """Path to the main hg repo."""))
+conf.registerGlobalValue(Mercurial.repos, 'hg-committed',
+                         registry.String('/home/hg/repos/hg-committed',
+                                         """Path to the hg-committed repo."""))
+conf.registerGlobalValue(Mercurial.repos, 'hg-all',
+                         registry.String('/home/hg/repos/hg-all',
+                                         """Path to the hg-all repo."""))

--- a/plugin.py	Wed Nov 21 20:41:07 2018 +0800
+++ b/plugin.py	Wed Nov 21 20:42:40 2018 +0800
@@ -115,16 +115,17 @@
         url = "%s/rev/%s" % (baseurl.strip("\n/"), rev)
         irc.replies(lines[:2] + [url])
 
-    def _changelogcmd(repo):
+    def _changelogcmd(key):
         def cmd(self, irc, msg, args, rev):
             """<revision>
 
             Returns the changelog message and the URL for the given revision."""
-            self._changelog(irc, repo, rev)
+            self._changelog(irc, self.registryValue(key), rev)
         return wrap(cmd, ['revision'])
 
-    main = _changelogcmd('/home/hg/repos/hg')
-    crew = _changelogcmd('/home/brendan/hg/mirror/mercurial/crew')
+    main = _changelogcmd('repos.hg')
+    hgcommitted = _changelogcmd('repos.hg-committed')
+    hgall = _changelogcmd('repos.hg-all')
 
     def glossary(self, irc, msg, args, term):
         """<term>

--- a/test.py	Wed Nov 21 20:41:07 2018 +0800
+++ b/test.py	Wed Nov 21 20:42:40 2018 +0800
@@ -32,6 +32,7 @@
 
 class MercurialTestCase(PluginTestCase):
     plugins = ('Mercurial',)
+    config = {'supybot.plugins.Mercurial.repos.hg': '.'}
 
     def testHghelp(self):
         self.assertRegexp('hghelp verify', '.*verify the integrity.*')
@@ -44,4 +45,9 @@
         self.assertResponse('glossary foo', 'no match found')
         self.assertHelp('glossary')
 
+    def testChangelog(self):
+        self.assertRegexp('main 0', 'Mercurial plugin 0\.1')
+        self.assertNotError('main null')
+        self.assertHelp('main')
+
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