tests: convert test-check-code-hg.py to .t

tests/test-check-code-hg.t

@@ -1,24 +1,6 b''
-# Pass all working directory files through check-code.py
-
-import sys, os, imp
-rootdir = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '..'))
-if not os.path.isdir(os.path.join(rootdir, '.hg')):
-    sys.stderr.write('skipped: cannot check code on non-repository sources\n')
-    sys.exit(80)
-
-checkpath = os.path.join(rootdir, 'contrib/check-code.py')
-checkcode = imp.load_source('checkcode', checkpath)
+  $ check_code="$TESTDIR"/../contrib/check-code.py
+  $ cd "$TESTDIR"/..
 
-from mercurial import hg, ui
-u = ui.ui()
-repo = hg.repository(u, rootdir)
-checked = 0
-wctx = repo[None]
-for f in wctx:
-    # ignore removed and unknown files
-    if f not in wctx:
-        continue
-    checked += 1
-    checkcode.checkfile(os.path.join(rootdir, f))
-if not checked:
-    sys.stderr.write('no file checked!\n')
+  $ "$check_code" `hg manifest` | grep . && echo 'FAILURE IS NOT AN OPTION!!!'
+  [1]
+