Reviewers: tandrii(chromium),
Message:
PTAL. Code could be more pythonish. The most important thing is that this
code
works on all our supported compilation platforms (e.g. windows). Not sure
if it
does.
Description:
Add script to generate the v8 version.
BUG=chromium:446166
LOG=n
Please review this at https://codereview.chromium.org/835903003/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+81, -0 lines):
A tools/push-to-trunk/generate_version.py
Index: tools/push-to-trunk/generate_version.py
diff --git a/tools/push-to-trunk/generate_version.py
b/tools/push-to-trunk/generate_version.py
new file mode 100755
index
0000000000000000000000000000000000000000..eccd5a348e01e44ad7e1fb67f249cf7340424e76
--- /dev/null
+++ b/tools/push-to-trunk/generate_version.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+# Copyright 2014 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Script to set v8's version file to the version given by the latest tag.
+"""
+
+
+import os
+import re
+import subprocess
+import sys
+
+
+CWD = os.path.abspath(
+ os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+VERSION_CC = os.path.join(CWD, "src", "version.cc")
+
+def Main():
+ tag = subprocess.check_output(
+ "git describe --tags",
+ shell=True,
+ cwd=CWD,
+ ).strip()
+ assert tag
+
+ # Check for commits not exactly matching a tag. Those are candidate
builds
+ # for the next version. The output has the form
+ # <tag name>-<n commits>-<hash>.
+ if "-" in tag:
+ version = tag.split("-")[0]
+ candidate = "1"
+ else:
+ version = tag
+ candidate = "0"
+ version_levels = version.split(".")
+
+ # Set default patch level if none is given.
+ if len(version_levels) == 3:
+ version_levels.append("0")
+ assert len(version_levels) == 4
+
+ major, minor, build, patch = version_levels
+
+ # Increment build level for candidate builds.
+ if candidate == "1":
+ build = str(int(build) + 1)
+ patch = "0"
+
+ # Modify version.cc with the new values.
+ with open(VERSION_CC, "r") as f:
+ text = f.read()
+ def Sub(line, definition, substitute):
+ if line.startswith("#define %s" % definition):
+ return re.sub("\d+$", substitute, line)
+ return line
+ output = []
+ for line in text.split("\n"):
+ for definition, substitute in (
+ ("MAJOR_VERSION", major),
+ ("MINOR_VERSION", minor),
+ ("BUILD_NUMBER", build),
+ ("PATCH_LEVEL", patch),
+ ("IS_CANDIDATE_VERSION", candidate)):
+ line = Sub(line, definition, substitute)
+ output.append(line)
+ with open(VERSION_CC, "w") as f:
+ f.write("\n".join(output))
+
+ # Log what was done.
+ candidate_txt = " (candidate)" if candidate == "1" else ""
+ patch_txt = ".%s" % patch if patch !="0" else ""
+ version_txt = ("%s.%s.%s%s%s" %
+ (major, minor, build, patch_txt, candidate_txt))
+ print "Modified version.cc. Set V8 version to %s" % version_txt
+ return 0
+
+if __name__ == "__main__":
+ sys.exit(Main())
--
--
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