[release-tools] Only read from the chromium checkout in v8rel.

tools/release/test_scripts.py

 #!/usr/bin/env python
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 1304 matching lines @@
 git-svn-id: googlecode@123 0039-1c4b
 """
     c_hash_345_commit_log = """Version 3.4.0.
 
 Cr-Commit-Position: refs/heads/candidates@{#345}
 """
     c_hash_456_commit_log = """Version 4.2.71.
 
 Cr-Commit-Position: refs/heads/4.2.71@{#1}
 """
+    c_deps = "Line\n   \"v8_revision\": \"%s\",\n  line\n"
 
     json_output = self.MakeEmptyTempFile()
     csv_output = self.MakeEmptyTempFile()
     self.WriteFakeVersionFile()
 
     TEST_CONFIG["CHROMIUM"] = self.MakeEmptyTempDirectory()
     chrome_dir = TEST_CONFIG["CHROMIUM"]
     chrome_v8_dir = os.path.join(chrome_dir, "v8")
     os.makedirs(chrome_v8_dir)
-    def WriteDEPS(revision):
-      TextToFile("Line\n   \"v8_revision\": \"%s\",\n  line\n" % revision,
-                 os.path.join(chrome_dir, "DEPS"))
-    WriteDEPS(567)
 
     def ResetVersion(major, minor, build, patch=0):
       return lambda: self.WriteFakeVersionFile(major=major,
                                                minor=minor,
                                                build=build,
                                                patch=patch)
 
-    def ResetDEPS(revision):
-      return lambda: WriteDEPS(revision)
-
     self.Expect([
       Cmd("git status -s -uno", ""),
       Cmd("git checkout -f origin/master", ""),
       Cmd("git fetch", ""),
       Cmd("git branch", "  branch1\n* branch2\n"),
       Cmd("git new-branch %s" % TEST_CONFIG["BRANCHNAME"], ""),
       Cmd("git fetch origin +refs/tags/*:refs/tags/*", ""),
       Cmd("git rev-list --max-age=395200 --tags",
           "bad_tag\nhash_234\nhash_123\nhash_345\nhash_456\n"),
       Cmd("git describe --tags bad_tag", "3.23.42-1-deadbeef"),
@@ skipping 38 matching lines @@
       Cmd("git log -1 --format=%B hash_456", c_hash_456_commit_log),
       Cmd("git log -1 --format=%H 4.2.71", "hash_456"),
       Cmd("git log -1 --format=%s hash_456", "Version 4.2.71"),
       Cmd("git log -1 --format=%H hash_456^", "master_456"),
       Cmd("git log -1 --format=%B master_456",
           "Cr-Commit-Position: refs/heads/master@{#456}"),
       Cmd("git log -1 --format=%B hash_456", c_hash_456_commit_log),
       Cmd("git log -1 --format=%ci hash_456", "02:15"),
       Cmd("git checkout -f HEAD -- %s" % VERSION_FILE, "",
           cb=ResetVersion(3, 22, 5)),
-      Cmd("git status -s -uno", "", cwd=chrome_dir),
-      Cmd("git checkout -f master", "", cwd=chrome_dir),
-      Cmd("git pull", "", cwd=chrome_dir),
-      Cmd("git branch", "  branch1\n* %s" % TEST_CONFIG["BRANCHNAME"],
-          cwd=chrome_dir),
-      Cmd("git branch -D %s" % TEST_CONFIG["BRANCHNAME"], "",
-          cwd=chrome_dir),
-      Cmd("git new-branch %s" % TEST_CONFIG["BRANCHNAME"], "",
+      Cmd("git fetch origin +refs/heads/*:refs/remotes/origin/* "
+          "+refs/branch-heads/*:refs/remotes/branch-heads/*", "",
           cwd=chrome_dir),
       Cmd("git fetch origin", "", cwd=chrome_v8_dir),
-      Cmd("git log --format=%H --grep=\"V8\"",
-          "c_hash0\nc_hash1\nc_hash2\nc_hash3\n",
+      Cmd("git log --format=%H --grep=\"V8\" origin/master -- DEPS",
+          "c_hash1\nc_hash2\nc_hash3\n",
           cwd=chrome_dir),
-      Cmd("git diff --name-only c_hash0 c_hash0^", "", cwd=chrome_dir),
-      Cmd("git diff --name-only c_hash1 c_hash1^", "DEPS", cwd=chrome_dir),
-      Cmd("git checkout -f c_hash1 -- DEPS", "",
-          cb=ResetDEPS("hash_456"),
-          cwd=chrome_dir),
+      Cmd("git show c_hash1:DEPS", c_deps % "hash_456", cwd=chrome_dir),
       Cmd("git log -1 --format=%B c_hash1", c_hash1_commit_log,
           cwd=chrome_dir),
-      Cmd("git diff --name-only c_hash2 c_hash2^", "DEPS", cwd=chrome_dir),
-      Cmd("git checkout -f c_hash2 -- DEPS", "",
-          cb=ResetDEPS("hash_345"),
-          cwd=chrome_dir),
+      Cmd("git show c_hash2:DEPS", c_deps % "hash_345", cwd=chrome_dir),
       Cmd("git log -1 --format=%B c_hash2", c_hash2_commit_log,
           cwd=chrome_dir),
-      Cmd("git diff --name-only c_hash3 c_hash3^", "DEPS", cwd=chrome_dir),
-      Cmd("git checkout -f c_hash3 -- DEPS", "", cb=ResetDEPS("deadbeef"),
-          cwd=chrome_dir),
+      Cmd("git show c_hash3:DEPS", c_deps % "deadbeef", cwd=chrome_dir),
       Cmd("git log -1 --format=%B c_hash3", c_hash3_commit_log,
           cwd=chrome_dir),
-      Cmd("git checkout -f HEAD -- DEPS", "", cb=ResetDEPS("hash_567"),
+      Cmd("git branch -r", " weird/123\n  branch-heads/7\n", cwd=chrome_dir),
+      Cmd("git show refs/branch-heads/7:DEPS", c_deps % "hash_345",
           cwd=chrome_dir),
-      Cmd("git branch -r", " weird/123\n  branch-heads/7\n", cwd=chrome_dir),
-      Cmd("git checkout -f branch-heads/7 -- DEPS", "",
-          cb=ResetDEPS("hash_345"),
-          cwd=chrome_dir),
-      Cmd("git checkout -f HEAD -- DEPS", "", cb=ResetDEPS("hash_567"),
-          cwd=chrome_dir),
-      Cmd("git checkout -f master", "", cwd=chrome_dir),
-      Cmd("git branch -D %s" % TEST_CONFIG["BRANCHNAME"], "", cwd=chrome_dir),
       Cmd("git checkout -f origin/master", ""),
       Cmd("git branch -D %s" % TEST_CONFIG["BRANCHNAME"], ""),
     ])
 
     args = ["-c", TEST_CONFIG["CHROMIUM"],
             "--json", json_output,
             "--csv", csv_output,
             "--max-releases", "1"]
     Releases(TEST_CONFIG, self).Run(args)
 
@@ skipping 83 matching lines @@
 
 Review URL: https://codereview.chromium.org/83173002
 
 ------------------------------------------------------------------------""")
     self.assertEquals(
 """Prepare push to trunk.  Now working on version 3.23.11.
 
 R=danno@chromium.org
 
 Committed: https://code.google.com/p/v8/source/detail?r=17997""", body)