Switch auto push script to git.

BUG=410721
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/698513002

Cr-Commit-Position: refs/heads/master@{#25033}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25033 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/push-to-trunk/auto_push.py

@@ -36,7 +36,7 @@ import urllib
 from common_includes import *
 import push_to_trunk
 
-PUSH_MESSAGE_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$")
+PUSH_MESSAGE_RE = re.compile(r".* \(based on ([a-fA-F0-9]+)\)$")
 
 class Preparation(Step):
   MESSAGE = "Preparation."
@@ -94,19 +94,16 @@ class CheckLastPush(Step):
       self.Die("Could not retrieve bleeding edge revision for trunk push %s"
                % last_push)
 
-    # TODO(machenbach): This metric counts all revisions. It could be
-    # improved by counting only the revisions on bleeding_edge.
-    if int(self["lkgr"]) - int(last_push_be) < 10:  # pragma: no cover
-      # This makes sure the script doesn't push twice in a row when the cron
-      # job retries several times.
-      self.Die("Last push too recently: %s" % last_push_be)
+    if self["lkgr"] == last_push_be:
+      print "Already pushed current lkgr %s" % last_push_be
+      return True
 
 
-class PushToTrunk(Step):
-  MESSAGE = "Pushing to trunk if specified."
+class PushToCandidates(Step):
+  MESSAGE = "Pushing to candidates if specified."
 
   def RunStep(self):
-    print "Pushing lkgr %s to trunk." % self["lkgr"]
+    print "Pushing lkgr %s to candidates." % self["lkgr"]
 
     # TODO(machenbach): Update the script before calling it.
     if self._options.push:
@@ -144,7 +141,7 @@ class AutoPush(ScriptsBase):
       CheckTreeStatus,
       FetchLKGR,
       CheckLastPush,
-      PushToTrunk,
+      PushToCandidates,
     ]
 
 

tools/push-to-trunk/test_scripts.py

@@ -930,14 +930,12 @@ def get_list():
            "\"^Version [[:digit:]]*\.[[:digit:]]*\.[[:digit:]]* (based\" "
            "origin/candidates"), "hash2\n"),
       Cmd("git log -1 --format=%s hash2",
-          "Version 3.4.5 (based on bleeding_edge revision r99)\n"),
+          "Version 3.4.5 (based on abc123)\n"),
     ])
 
-    self._state["lkgr"] = "101"
-
-    self.assertRaises(Exception, lambda: self.RunStep(auto_push.AutoPush,
-                                                      CheckLastPush,
-                                                      AUTO_PUSH_ARGS))
+    self._state["lkgr"] = "abc123"
+    self.assertEquals(0, self.RunStep(
+        auto_push.AutoPush, CheckLastPush, AUTO_PUSH_ARGS))
 
   def testAutoPush(self):
     TextToFile("", os.path.join(TEST_CONFIG["DEFAULT_CWD"], ".git"))
@@ -951,12 +949,12 @@ def get_list():
       URL("https://v8-status.appspot.com/current?format=json",
           "{\"message\": \"Tree is throttled\"}"),
       URL("https://v8-status.appspot.com/lkgr", Exception("Network problem")),
-      URL("https://v8-status.appspot.com/lkgr", "100"),
+      URL("https://v8-status.appspot.com/lkgr", "abc123"),
       Cmd(("git log -1 --format=%H --grep=\""
            "^Version [[:digit:]]*\.[[:digit:]]*\.[[:digit:]]* (based\""
            " origin/candidates"), "push_hash\n"),
       Cmd("git log -1 --format=%s push_hash",
-          "Version 3.4.5 (based on bleeding_edge revision r79)\n"),
+          "Version 3.4.5 (based on abc101)\n"),
     ])
 
     auto_push.AutoPush(TEST_CONFIG, self).Run(AUTO_PUSH_ARGS + ["--push"])
@@ -964,7 +962,7 @@ def get_list():
     state = json.loads(FileToText("%s-state.json"
                                   % TEST_CONFIG["PERSISTFILE_BASENAME"]))
 
-    self.assertEquals("100", state["lkgr"])
+    self.assertEquals("abc123", state["lkgr"])
 
   def testAutoPushStoppedBySettings(self):
     TextToFile("", os.path.join(TEST_CONFIG["DEFAULT_CWD"], ".git"))