Add v8-extract-version.

2 files changed, 27 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 0959f8d..14bf959 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ class my_install_scripts(install_scripts):
 setup(
 	name="chromium-tools",
 	version=get_version(),
-	scripts=["chromium-depot-tool", "v8-create-tarball"],
+	scripts=["chromium-depot-tool", "v8-create-tarball", "v8-extract-version"],
 	cmdclass={
 		'sdist': my_sdist,
 		'install_scripts': my_install_scripts,
diff --git a/v8-extract-version b/v8-extract-version
new file mode 100755
index 0000000..1979956
--- /dev/null
+++ b/v8-extract-version
@@ -0,0 +1,26 @@
+#!/usr/bin/python2
+
+"""Extracts V8 version number based on given version.cc file."""
+
+import re
+import sys
+
+MAJOR_VERSION_PATTERN = re.compile(r"#define\s+MAJOR_VERSION\s+(.*)")
+MINOR_VERSION_PATTERN = re.compile(r"#define\s+MINOR_VERSION\s+(.*)")
+BUILD_NUMBER_PATTERN = re.compile(r"#define\s+BUILD_NUMBER\s+(.*)")
+PATCH_LEVEL_PATTERN = re.compile(r"#define\s+PATCH_LEVEL\s+(.*)")
+
+patterns = [MAJOR_VERSION_PATTERN,
+            MINOR_VERSION_PATTERN,
+            BUILD_NUMBER_PATTERN,
+            PATCH_LEVEL_PATTERN]
+
+source = open(sys.argv[1]).read()
+version_components = []
+for pattern in patterns:
+  version_components.append(pattern.search(source).group(1).strip())
+
+if version_components[len(version_components) - 1] == '0':
+  version_components.pop()
+
+print  '.'.join(version_components)