Import Upstream version 2.7.18

Demo/pdist/rcsbump

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+#!/usr/bin/env python
+# -*- python -*-
+#
+# guido's version, from rcsbump,v 1.2 1995/06/22 21:27:27 bwarsaw Exp
+#
+# Python script for bumping up an RCS major revision number.
+
+import sys
+import re
+import rcslib
+import string
+
+WITHLOCK = 1
+majorrev_re = re.compile('^[0-9]+')
+
+dir = rcslib.RCS()
+
+if sys.argv[1:]:
+    files = sys.argv[1:]
+else:
+    files = dir.listfiles()
+
+for file in files:
+    # get the major revnumber of the file
+    headbranch = dir.info(file)['head']
+    majorrev_re.match(headbranch)
+    majorrev = string.atoi(majorrev_re.group(0)) + 1
+
+    if not dir.islocked(file):
+        dir.checkout(file, WITHLOCK)
+
+    msg = "Bumping major revision number (to %d)" % majorrev
+    dir.checkin((file, "%s.0" % majorrev), msg, "-f")