Move log stuff into a separate log.py.

log.py

@@ -0,0 +1,23 @@
+import sys, os
+import vars
+
+
+def _log(s):
+    sys.stdout.flush()
+    sys.stderr.write(s)
+    sys.stderr.flush()
+
+
+def _clog(s):
+    _log('\x1b[32mredo: %s\x1b[1m%s\x1b[m' % (vars.DEPTH, s))
+def _bwlog(s):
+    _log('redo: %s%s' % (vars.DEPTH, s))
+if os.isatty(2):
+    log = _clog
+else:
+    log = _bwlog
+
+
+def debug(s):
+    if vars.DEBUG:
+        _log('redo: %s%s' % (vars.DEPTH, s))