Remove old branch logic from push scripts.

The old temporary branch is not needed anymore. All scripts create a different branch after creating the temporary branch.

This also fixes logging subprocesses and logs a warning to track down script failures due to wrong branches.

BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/266083003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21147 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/push-to-trunk/common_includes.py

@@ -42,7 +42,6 @@ from git_recipes import GitRecipesMixin
 from git_recipes import GitFailedException
 
 PERSISTFILE_BASENAME = "PERSISTFILE_BASENAME"
-TEMP_BRANCH = "TEMP_BRANCH"
 BRANCHNAME = "BRANCHNAME"
 DOT_GIT_LOCATION = "DOT_GIT_LOCATION"
 VERSION_FILE = "VERSION_FILE"
@@ -176,6 +175,7 @@ def Command(cmd, args="", prefix="", pipe=True):
   # TODO(machenbach): Use timeout.
   cmd_line = "%s %s %s" % (prefix, cmd, args)
   print "Command: %s" % cmd_line
+  sys.stdout.flush()
   try:
     if pipe:
       return subprocess.check_output(cmd_line, shell=True)
@@ -183,6 +183,9 @@ def Command(cmd, args="", prefix="", pipe=True):
       return subprocess.check_call(cmd_line, shell=True)
   except subprocess.CalledProcessError:
     return None
+  finally:
+    sys.stdout.flush()
+    sys.stderr.flush()
 
 
 # Wrapper for side effects.
@@ -376,18 +379,11 @@ class Step(GitRecipesMixin):
     self.GitSVNFetch()
 
   def PrepareBranch(self):
-    # Get ahold of a safe temporary branch and check it out.
-    if self["current_branch"] != self._config[TEMP_BRANCH]:
-      self.DeleteBranch(self._config[TEMP_BRANCH])
-      self.GitCreateBranch(self._config[TEMP_BRANCH])
-
     # Delete the branch that will be created later if it exists already.
     self.DeleteBranch(self._config[BRANCHNAME])
 
   def CommonCleanup(self):
     self.GitCheckout(self["current_branch"])
-    if self._config[TEMP_BRANCH] != self["current_branch"]:
-      self.GitDeleteBranch(self._config[TEMP_BRANCH])
     if self._config[BRANCHNAME] != self["current_branch"]:
       self.GitDeleteBranch(self._config[BRANCHNAME])
 

tools/push-to-trunk/merge_to_branch.py

@@ -41,7 +41,6 @@ CONFIG = {
   PERSISTFILE_BASENAME: "/tmp/v8-merge-to-branch-tempfile",
   ALREADY_MERGING_SENTINEL_FILE:
       "/tmp/v8-merge-to-branch-tempfile-already-merging",
-  TEMP_BRANCH: "prepare-merge-temporary-branch-created-by-script",
   DOT_GIT_LOCATION: ".git",
   VERSION_FILE: "src/version.cc",
   TEMPORARY_PATCH_FILE: "/tmp/v8-prepare-merge-tempfile-temporary-patch",

tools/push-to-trunk/push_to_trunk.py

@@ -39,7 +39,6 @@ CONFIG = {
   BRANCHNAME: "prepare-push",
   TRUNKBRANCH: "trunk-push",
   PERSISTFILE_BASENAME: "/tmp/v8-push-to-trunk-tempfile",
-  TEMP_BRANCH: "prepare-push-temporary-branch-created-by-script",
   DOT_GIT_LOCATION: ".git",
   VERSION_FILE: "src/version.cc",
   CHANGELOG_FILE: "ChangeLog",
@@ -58,6 +57,11 @@ class Preparation(Step):
   def RunStep(self):
     self.InitialEnvironmentChecks()
     self.CommonPrepare()
+
+    if(self["current_branch"] == self.Config(TRUNKBRANCH)
+       or self["current_branch"] == self.Config(BRANCHNAME)):
+      print "Warning: Script started on branch %s" % self["current_branch"]
+
     self.PrepareBranch()
     self.DeleteBranch(self.Config(TRUNKBRANCH))
 

tools/push-to-trunk/releases.py

@@ -25,7 +25,6 @@ CHROMIUM = "CHROMIUM"
 
 CONFIG = {
   BRANCHNAME: "retrieve-v8-releases",
-  TEMP_BRANCH: "unused-branch", # TODO(machenbach): Remove from infrastructure.
   PERSISTFILE_BASENAME: "/tmp/v8-releases-tempfile",
   DOT_GIT_LOCATION: ".git",
   VERSION_FILE: "src/version.cc",

tools/push-to-trunk/test_scripts.py

@@ -53,7 +53,6 @@ TEST_CONFIG = {
   BRANCHNAME: "test-prepare-push",
   TRUNKBRANCH: "test-trunk-push",
   PERSISTFILE_BASENAME: "/tmp/test-v8-push-to-trunk-tempfile",
-  TEMP_BRANCH: "test-prepare-push-temporary-branch-created-by-script",
   DOT_GIT_LOCATION: None,
   VERSION_FILE: None,
   CHANGELOG_FILE: None,
@@ -435,10 +434,8 @@ class ScriptTest(unittest.TestCase):
       Git("status -s -uno", ""),
       Git("status -s -b -uno", "## some_branch"),
       Git("svn fetch", ""),
-      Git("branch", "  branch1\n* %s" % TEST_CONFIG[TEMP_BRANCH]),
-      Git("branch -D %s" % TEST_CONFIG[TEMP_BRANCH], ""),
-      Git("checkout -b %s" % TEST_CONFIG[TEMP_BRANCH], ""),
-      Git("branch", ""),
+      Git("branch", "  branch1\n* %s" % TEST_CONFIG[BRANCHNAME]),
+      Git("branch -D %s" % TEST_CONFIG[BRANCHNAME], ""),
     ])
     self.ExpectReadline([RL("Y")])
     self.MakeStep().CommonPrepare()
@@ -450,7 +447,7 @@ class ScriptTest(unittest.TestCase):
       Git("status -s -uno", ""),
       Git("status -s -b -uno", "## some_branch"),
       Git("svn fetch", ""),
-      Git("branch", "  branch1\n* %s" % TEST_CONFIG[TEMP_BRANCH]),
+      Git("branch", "  branch1\n* %s" % TEST_CONFIG[BRANCHNAME]),
     ])
     self.ExpectReadline([RL("n")])
     self.MakeStep().CommonPrepare()
@@ -462,8 +459,8 @@ class ScriptTest(unittest.TestCase):
       Git("status -s -uno", ""),
       Git("status -s -b -uno", "## some_branch"),
       Git("svn fetch", ""),
-      Git("branch", "  branch1\n* %s" % TEST_CONFIG[TEMP_BRANCH]),
-      Git("branch -D %s" % TEST_CONFIG[TEMP_BRANCH], None),
+      Git("branch", "  branch1\n* %s" % TEST_CONFIG[BRANCHNAME]),
+      Git("branch -D %s" % TEST_CONFIG[BRANCHNAME], None),
     ])
     self.ExpectReadline([RL("Y")])
     self.MakeStep().CommonPrepare()
@@ -727,8 +724,6 @@ Performance and stability improvements on all platforms.""", commit)
       Git("status -s -b -uno", "## some_branch\n"),
       Git("svn fetch", ""),
       Git("branch", "  branch1\n* branch2\n"),
-      Git("checkout -b %s" % TEST_CONFIG[TEMP_BRANCH], ""),
-      Git("branch", "  branch1\n* branch2\n"),
       Git("branch", "  branch1\n* branch2\n"),
       Git("checkout -b %s svn/bleeding_edge" % TEST_CONFIG[BRANCHNAME], ""),
       Git("svn find-rev r123455", "push_hash\n"),
@@ -761,7 +756,6 @@ Performance and stability improvements on all platforms.""", commit)
       Git("svn dcommit 2>&1", "Some output\nCommitted r123456\nSome output\n"),
       Git("svn tag 3.22.5 -m \"Tagging version 3.22.5\"", ""),
       Git("checkout -f some_branch", ""),
-      Git("branch -D %s" % TEST_CONFIG[TEMP_BRANCH], ""),
       Git("branch -D %s" % TEST_CONFIG[BRANCHNAME], ""),
       Git("branch -D %s" % TEST_CONFIG[TRUNKBRANCH], ""),
     ])
@@ -1063,8 +1057,6 @@ LOG=N
       Git("status -s -b -uno", "## some_branch\n"),
       Git("svn fetch", ""),
       Git("branch", "  branch1\n* branch2\n"),
-      Git("checkout -b %s" % TEST_CONFIG[TEMP_BRANCH], ""),
-      Git("branch", "  branch1\n* branch2\n"),
       Git("checkout -b %s svn/trunk" % TEST_CONFIG[BRANCHNAME], ""),
       Git("log --format=%H --grep=\"Port r12345\" --reverse svn/bleeding_edge",
           "hash1\nhash2"),
@@ -1126,7 +1118,6 @@ LOG=N
            "https://v8.googlecode.com/svn/tags/3.22.5.1 -m "
            "\"Tagging version 3.22.5.1\""), ""),
       Git("checkout -f some_branch", ""),
-      Git("branch -D %s" % TEST_CONFIG[TEMP_BRANCH], ""),
       Git("branch -D %s" % TEST_CONFIG[BRANCHNAME], ""),
     ])
 
@@ -1177,8 +1168,6 @@ LOG=N
       Git("status -s -b -uno", "## some_branch\n"),
       Git("svn fetch", ""),
       Git("branch", "  branch1\n* branch2\n"),
-      Git("checkout -b %s" % TEST_CONFIG[TEMP_BRANCH], ""),
-      Git("branch", "  branch1\n* branch2\n"),
       Git("checkout -b %s" % TEST_CONFIG[BRANCHNAME], ""),
       Git("branch -r", "  svn/3.21\n  svn/3.3\n"),
       Git("reset --hard svn/3.3", ""),
@@ -1236,7 +1225,6 @@ LOG=N
       Git("checkout -f master", ""),
       Git("branch -D %s" % TEST_CONFIG[BRANCHNAME], ""),
       Git("checkout -f some_branch", ""),
-      Git("branch -D %s" % TEST_CONFIG[TEMP_BRANCH], ""),
       Git("branch -D %s" % TEST_CONFIG[BRANCHNAME], ""),
     ])