Revert "Support Gerrit snapshot versions"

testing_support/gerrit-init.sh

 #!/bin/bash
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 set -e
 
 http_port=8080
 ssh_port=29418
 
@@ skipping 59 matching lines @@
 #      ...
 #    }
 #
 # ...and prints the name and md5sum of the corresponding *.war file.
 
 import json
 import re
 import sys
 
 requested_version = sys.argv[1] if len(sys.argv) > 1 else None
-gerrit_re = re.compile('gerrit(?:-full|-snapshot)?-([0-9.]+)(-rc[0-9]+)?'
-                       '(?:-([0-9]*)-g[0-9a-f]+)?[.]war')
+gerrit_re = re.compile('gerrit(?:-full)?-([0-9.]+)(-rc[0-9]+)?[.]war')
 j = json.load(sys.stdin)
 items = [(x, gerrit_re.match(x['name'])) for x in j['items']]
-items = [(x, m.groups()) for x, m in items if m]
-
+items = [(x, m.group(1), m.group(2)) for x, m in items if m]
 def _cmp(a, b):
-  a_version, a_rc, a_commits = a[1]
-  b_version, b_rc, b_commits = b[1]
-  a_parts = a_version.split('.')
-  b_parts = b_version.split('.')
-  while len(a_parts) < len(b_parts):
-    a_parts.append('0')
-  while len(b_parts) < len(a_parts):
-    b_parts.append('0')
-  a_parts.append(a_rc[3:] if a_rc else '1000')
-  b_parts.append(b_rc[3:] if b_rc else '1000')
-  a_parts.append(a_commits if a_commits else '0')
-  b_parts.append(b_commits if b_commits else '0')
-
-  return -cmp(map(int, a_parts), map(int, b_parts))
+  an = a[1].split('.')
+  bn = b[1].split('.')
+  while len(an) < len(bn):
+    an.append('0')
+  while len(bn) < len(an):
+    bn.append('0')
+  an.append(a[2][3:] if a[2] else '1000')
+  bn.append(b[2][3:] if b[2] else '1000')
+  for i in range(len(an)):
+    if an[i] != bn[i]:
+      return -1 if int(an[i]) > int(bn[i]) else 1
+  return 0
 
 if requested_version:
   for info, version in items:
     if version == requested_version:
       print '"%s" "%s"' % (info['name'], info['md5Hash'])
       sys.exit(0)
   print >> sys.stderr, 'No such Gerrit version: %s' % requested_version
   sys.exit(1)
 
 items.sort(cmp=_cmp)
@@ skipping 92 matching lines @@
 To use SSH API:
   ssh ${username}@localhost -p ${ssh_port} -i ${rundir}/tmp/id_rsa gerrit
 
 To enable 'git push' without a password prompt:
   git config credential.helper 'store --file=${rundir}/tmp/.git-credentials'
 
 To stop the server:
   ${rundir}/bin/gerrit.sh stop
 
 EOF