Switching nacl_deps_bump to git.

nacl_deps_bump_cronjob.py

Index: nacl_deps_bump_cronjob.py
===================================================================
--- nacl_deps_bump_cronjob.py	(revision 293713)
+++ nacl_deps_bump_cronjob.py	(working copy)
@@ -21,8 +21,6 @@
 import subprocess
 import time
 
-import pysvn
-
 import nacl_deps_bump
 
 
@@ -44,24 +42,23 @@
                            'refs/heads/*'], stdout=subprocess.PIPE)
   revs = []
   for line in proc.stdout:
-    match = re.match('nacl-deps-r(\d+)$', line.strip())
+    match = re.match('nacl-deps-(.*)$', line.strip())
     if match is not None:
-      revs.append(int(match.group(1)))
+      revs.append(match.group(1))
   assert proc.wait() == 0, proc.wait()
   return revs
 
 
-# Returns the time that the given SVN revision was committed, as a
+# Returns the time that the given Git revision was committed, as a
 # Unix timestamp.
-def GetRevTime(svn_root, rev_num):
-  rev = pysvn.Revision(pysvn.opt_revision_kind.number, rev_num)
-  rev_info_list = pysvn.Client().log(svn_root,
-                                     revision_start=rev, revision_end=rev)
-  assert len(rev_info_list) == 1, rev_info_list
-  return rev_info_list[0].date
+def GetRevTime(git_dir, rev):
+  return int(subprocess.check_output(
+      ['git', 'log', '--pretty=format:%ct', '-n1', rev], cwd=git_dir))
 
 
 def Main():
+  nacl_git_dir = nacl_deps_bump.NACL_GIT_ROOT
+
   parser = optparse.OptionParser('%prog\n\n' + __doc__.strip())
   options, args = parser.parse_args()
   if len(args) != 0:
@@ -69,10 +66,12 @@
 
   do_build = False
 
-  last_tried_rev = max([1] + GetExistingJobs())
-  print 'Last tried NaCl revision is r%i' % last_tried_rev
-  age = time.time() - GetRevTime(nacl_deps_bump.NACL_SVN_ROOT, last_tried_rev)
-  print 'Age of r%i is %.1f hours' % (last_tried_rev, age / (60 * 60))
+  last_tried_time, last_tried_rev = max(
+      [(1, '')] +
+      [(GetRevTime(nacl_git_dir, rev), rev) for rev in GetExistingJobs()])
+  print 'Last tried NaCl revision is %s' % last_tried_rev
+  age = time.time() - last_tried_time
+  print 'Age of %s is %.1f hours' % (last_tried_rev, age / (60 * 60))
   if age > TIME_THRESHOLD:
     print 'Time threshold passed: trigger new build'
     do_build = True
@@ -79,8 +78,9 @@
   else:
     print 'Time threshold not passed'
 
-  newest_rev = nacl_deps_bump.GetNaClRev()
-  rev_diff = newest_rev - last_tried_rev
+  newest_rev = nacl_deps_bump.GetNaClRev(nacl_git_dir)
+  rev_diff = len(nacl_deps_bump.GetLog(
+      nacl_git_dir, last_tried_rev, newest_rev))
   print 'There have been %i NaCl revisions since our last try job' % rev_diff
   # Note that this comparison ignores that the commits might be to
   # branches rather the trunk.