convert: use repo.join instead of referencing ".hg" directly

hgext/convert/hg.py

@@ -70,10 +70,10 b' class mercurial_sink(converter_sink):'
             self.wlock.release()
 
     def revmapfile(self):
-        return os.path.join(self.path, ".hg", "shamap")
+        return self.repo.join("shamap")
 
     def authorfile(self):
-        return os.path.join(self.path, ".hg", "authormap")
+        return self.repo.join("authormap")
 
     def getheads(self):
         h = self.repo.changelog.heads()
@@ -364,8 +364,7 b' class mercurial_source(converter_source)'
 
     def converted(self, rev, destrev):
         if self.convertfp is None:
-            self.convertfp = open(os.path.join(self.path, '.hg', 'shamap'),
-                                  'a')
+            self.convertfp = open(self.repo.join('shamap'), 'a')
         self.convertfp.write('%s %s\n' % (destrev, rev))
         self.convertfp.flush()
 

tests/test-convert-authormap.t

@@ -27,7 +27,7 b' Explicit --authors'
   sorting...
   converting...
   0 foo
-  Writing author map file new/.hg/authormap
+  Writing author map file $TESTTMP/new/.hg/authormap
   $ cat new/.hg/authormap
   user name=Long User Name
   $ hg -Rnew log
@@ -44,7 +44,7 b' Implicit .hg/authormap'
   $ hg init new
   $ mv authormap.txt new/.hg/authormap
   $ hg convert orig new
-  Ignoring bad line in author map file new/.hg/authormap: this line is ignored
+  Ignoring bad line in author map file $TESTTMP/new/.hg/authormap: this line is ignored
   scanning source...
   sorting...
   converting...