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| 1 #!/usr/bin/env python | |
| 2 # Copyright 2014 the V8 project authors. All rights reserved. | |
| 3 # Use of this source code is governed by a BSD-style license that can be | |
| 4 # found in the LICENSE file. | |
| 5 | |
| 6 """ | |
| 7 Script to set v8's version file to the version given by the latest tag. | |
| 8 """ | |
| 9 | |
| 10 | |
| 11 import os | |
| 12 import re | |
| 13 import subprocess | |
| 14 import sys | |
| 15 | |
| 16 | |
| 17 CWD = os.path.abspath( | |
| 18 os.path.dirname(os.path.dirname(os.path.dirname(__file__)))) | |
| 19 VERSION_CC = os.path.join(CWD, "src", "version.cc") | |
| 20 | |
| 21 def main(): | |
| 22 tag = subprocess.check_output( | |
| 23 "git describe --tags", | |
| 24 shell=True, | |
| 25 cwd=CWD, | |
| 26 ).strip() | |
| 27 assert tag | |
| 28 | |
| 29 # Check for commits not exactly matching a tag. Those are candidate builds | |
| 30 # for the next version. The output has the form | |
| 31 # <tag name>-<n commits>-<hash>. | |
| 32 if "-" in tag: | |
| 33 version = tag.split("-")[0] | |
| 34 candidate = "1" | |
| 35 else: | |
| 36 version = tag | |
| 37 candidate = "0" | |
| 38 version_levels = version.split(".") | |
| 39 | |
| 40 # Set default patch level if none is given. | |
| 41 if len(version_levels) == 3: | |
| 42 version_levels.append("0") | |
| 43 assert len(version_levels) == 4 | |
| 44 | |
| 45 major, minor, build, patch = version_levels | |
| 46 | |
| 47 # Increment build level for candidate builds. | |
| 48 if candidate == "1": | |
| 49 build = str(int(build) + 1) | |
| 50 patch = "0" | |
| 51 | |
| 52 # Modify version.cc with the new values. | |
| 53 with open(VERSION_CC, "r") as f: | |
| 54 text = f.read() | |
| 55 output = [] | |
| 56 for line in text.split("\n"): | |
| 57 for definition, substitute in ( | |
| 58 ("MAJOR_VERSION", major), | |
| 59 ("MINOR_VERSION", minor), | |
| 60 ("BUILD_NUMBER", build), | |
| 61 ("PATCH_LEVEL", patch), | |
| 62 ("IS_CANDIDATE_VERSION", candidate)): | |
| 63 if line.startswith("#define %s" % definition): | |
| 64 line = re.sub("\d+$", substitute, line) | |
| 65 output.append(line) | |
| 66 with open(VERSION_CC, "w") as f: | |
| 67 f.write("\n".join(output)) | |
| 68 | |
| 69 # Log what was done. | |
| 70 candidate_txt = " (candidate)" if candidate == "1" else "" | |
| 71 patch_txt = ".%s" % patch if patch != "0" else "" | |
| 72 version_txt = ("%s.%s.%s%s%s" % | |
| 73 (major, minor, build, patch_txt, candidate_txt)) | |
| 74 print "Modified version.cc. Set V8 version to %s" % version_txt | |
| 75 return 0 | |
| 76 | |
| 77 if __name__ == "__main__": | |
| 78 sys.exit(main()) | |
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Chromium Code Reviews
Issue 830093003:
Partially reland Auto-generate v8 version based on tags. (Closed)
Base URL: https://chromium.googlesource.com/v8/v8.git@master