Added convenient script for generating changelog draft.
diff --git a/generate_changelog.py b/generate_changelog.py
new file mode 100755
index 0000000..d7575d4
--- /dev/null
+++ b/generate_changelog.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+
+"""Generates a friendly list of changes per language since the last release."""
+
+import sys
+import os
+
+class Language(object):
+ def __init__(self, name, pathspec):
+ self.name = name
+ self.pathspec = pathspec
+
+languages = [
+ Language("C++", [
+ "':(glob)src/google/protobuf/*'",
+ "src/google/protobuf/compiler/cpp",
+ "src/google/protobuf/io",
+ "src/google/protobuf/util",
+ "src/google/protobuf/stubs",
+ ]),
+ Language("Java", [
+ "java",
+ "javanano",
+ "src/google/protobuf/compiler/cpp",
+ ]),
+ Language("Python", [
+ "javanano",
+ "src/google/protobuf/compiler/python",
+ ]),
+ Language("JavaScript", [
+ "js",
+ "src/google/protobuf/compiler/js",
+ ]),
+ Language("PHP", [
+ "php",
+ "src/google/protobuf/compiler/php",
+ ]),
+ Language("Ruby", [
+ "ruby",
+ "src/google/protobuf/compiler/ruby",
+ ]),
+ Language("Csharp", [
+ "csharp",
+ "src/google/protobuf/compiler/csharp",
+ ]),
+ Language("Objective C", [
+ "objectivec",
+ "src/google/protobuf/compiler/objectivec",
+ ]),
+]
+
+if len(sys.argv) < 2:
+ print("Usage: generate_changelog.py <previous release>")
+ sys.exit(1)
+
+previous = sys.argv[1]
+
+for language in languages:
+ print(language.name)
+ os.system(("git log --pretty=oneline --abbrev-commit %s...HEAD %s | " +
+ "sed -e 's/^/ - /'") % (previous, " ".join(language.pathspec)))
+ print("")
+
+print("To view a commit on GitHub: " +
+ "https://github.com/google/protobuf/commit/<commit id>")
