add changelog for 0.14.1 (#3944)

Author: andygrove

dev/changelog/0.14.1.md

@@ -0,0 +1,40 @@
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# DataFusion Comet 0.14.1 Changelog
+
+This release consists of 5 commits from 1 contributors. See credits at the end of this changelog for more information.
+
+**Fixed bugs:**
+
+- fix: [branch-0.14] backport #3802 - cache object stores and bucket regions to reduce DNS query volume [#3935](https://github.com/apache/datafusion-comet/pull/3935) (andygrove)
+- fix: [branch-0.14] backport #3924 - share unified memory pools across native execution contexts [#3938](https://github.com/apache/datafusion-comet/pull/3938) (andygrove)
+- fix: [branch-0.14] backport #3879 - skip Comet columnar shuffle for stages with DPP scans [#3934](https://github.com/apache/datafusion-comet/pull/3934) (andygrove)
+- fix: [branch-0.14] backport #3914 - use min instead of max when capping write buffer size to Int range [#3936](https://github.com/apache/datafusion-comet/pull/3936) (andygrove)
+- fix: [branch-0.14] backport #3865 - handle ambiguous and non-existent local times [#3937](https://github.com/apache/datafusion-comet/pull/3937) (andygrove)
+
+## Credits
+
+Thank you to everyone who contributed to this release. Here is a breakdown of commits (PRs merged) per contributor.
+
+```
+     5	Andy Grove
+```
+
+Thank you also to everyone who contributed in other ways such as filing issues, reviewing PRs, and providing feedback on this release.

dev/release/generate-changelog.py

@@ -142,6 +142,18 @@ def generate_changelog(repo, repo_name, tag1, tag2, version):
     print("Thank you also to everyone who contributed in other ways such as filing issues, reviewing "
           "PRs, and providing feedback on this release.\n")
 
+def resolve_ref(ref):
+    """Resolve a git ref (e.g. HEAD, branch name) to a full commit SHA."""
+    try:
+        return subprocess.check_output(
+            ["git", "rev-parse", ref], text=True
+        ).strip()
+    except subprocess.CalledProcessError:
+        # If it can't be resolved locally, return as-is (e.g. a tag name
+        # that the GitHub API can resolve)
+        return ref
+
+
 def cli(args=None):
     """Process command line arguments."""
     if not args:
@@ -153,12 +165,18 @@ def cli(args=None):
     parser.add_argument("version", help="The version number to include in the changelog")
     args = parser.parse_args()
 
+    # Resolve refs to SHAs so the GitHub API compares the same commits
+    # as the local git log. Without this, refs like HEAD get resolved by
+    # the GitHub API to the default branch instead of the current branch.
+    tag1 = resolve_ref(args.tag1)
+    tag2 = resolve_ref(args.tag2)
+
     token = os.getenv("GITHUB_TOKEN")
     project = "apache/datafusion-comet"
 
     g = Github(token)
     repo = g.get_repo(project)
-    generate_changelog(repo, project, args.tag1, args.tag2, args.version)
+    generate_changelog(repo, project, tag1, tag2, args.version)
 
 if __name__ == "__main__":
     cli()