Add basic release workflow

Signed-off-by: Evan Lezar <elezar@nvidia.com>

hack/generate-changelog.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2024, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed 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.
+
+set -o pipefail
+this=`basename $0`
+
+usage () {
+cat << EOF
+Generate a changelog for the specified tag
+Usage: $this --reference <tag> [--remote <remote_name>]
+
+Options:
+  --since     specify the tag to start the changelog from (default: latest tag)
+  --remote    specify the remote to fetch tags from (default: upstream)
+  --version   specify the version to be released
+  --help/-h   show this help and exit
+
+EOF
+}
+
+REMOTE="upstream"
+VERSION=""
+REFERENCE=
+
+# Parse command line options
+while [[ $# -gt 0 ]]; do
+    key="$1"
+    case $key in
+        --since)
+        REFERENCE="$2"
+        shift # past argument
+        shift # past value
+        ;;
+        --remote)
+        REMOTE="$2"
+        shift # past argument
+        shift # past value
+        ;;
+        --version)
+        VERSION="$2"
+        shift # past argument
+        shift # past value
+        ;;
+        --help/-h)  usage
+            exit 0
+            ;;
+        *)  usage
+            exit 1
+            ;;
+    esac
+done
+
+# Fetch the latest tags from the remote
+git fetch $REMOTE --tags
+
+# if REFERENCE is not set, get the latest tag
+if [ -z "$REFERENCE" ]; then
+    REFERENCE=$(git describe --tags $(git rev-list --tags --max-count=1))
+fi
+
+# Print the changelog
+echo "## Changelog"
+echo ""
+echo "### Version $VERSION"
+
+# Iterate over the commit messages and ignore the ones that start with "Merge" or "Bump"
+git log --pretty=format:"%s" $REFERENCE..@ | grep -Ev "(^Merge )|(^Bump)" |  sed 's/^\(.*\)/- \1/g'