Add a workflow to tag a release

Author: mdboom

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2024-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0
 
@@ -19,8 +19,8 @@ on:
           - cuda-pathfinder
           - cuda-python
           - all
-      git-tag:
-        description: "The release git tag"
+      version:
+        description: "Version to release (e.g. 1.2.3)"
         required: true
         type: string
       run-id:
@@ -39,6 +39,9 @@ on:
           - testpypi
           - pypi
 
+env:
+  TAG: ${{ fromJSON('{"cuda_bindings":"v","cuda_core":"cuda-core-v","cuda_pathfinder":"cuda-pathfinder-v","cuda_python":"cuda-python-v","all":"all-v"}')[inputs.component] }}${{ inputs.version }}
+
 defaults:
   run:
     shell: bash --noprofile --norc -xeuo pipefail {0}
@@ -64,8 +67,8 @@ jobs:
             echo "Using provided run ID: ${{ inputs.run-id }}"
             echo "run-id=${{ inputs.run-id }}" >> $GITHUB_OUTPUT
           else
-            echo "Auto-detecting run ID for tag: ${{ inputs.git-tag }}"
-            RUN_ID=$(./ci/tools/lookup-run-id "${{ inputs.git-tag }}" "${{ github.repository }}")
+            echo "Auto-detecting run ID for tag: ${{ env.TAG }}"
+            RUN_ID=$(./ci/tools/lookup-run-id "${{ env.TAG }}" "${{ github.repository }}")
             echo "Auto-detected run ID: $RUN_ID"
             echo "run-id=$RUN_ID" >> $GITHUB_OUTPUT
           fi
@@ -93,8 +96,8 @@ jobs:
 
           found=0
           for idx in ${!tags[@]}; do
-            if [[ "${tags[$idx]}" == "${{ inputs.git-tag }}" ]]; then
-              echo "found existing release for ${{ inputs.git-tag }}"
+            if [[ "${tags[$idx]}" == "${{ env.TAG }}" ]]; then
+              echo "found existing release for ${{ env.TAG }}"
               found=1
               if [[ "${is_draft[$idx]}" != "true" ]]; then
                 echo "the release note is not in draft state"
@@ -104,8 +107,8 @@ jobs:
             fi
           done
           if [[ "$found" == 0 ]]; then
-            echo "no release found for ${{ inputs.git-tag }}, creating draft release"
-            gh release create "${{ inputs.git-tag }}" --draft --repo "${{ github.repository }}" --title "Release ${{ inputs.git-tag }}" --notes "Release ${{ inputs.git-tag }}"
+            echo "no release found for ${{ env.TAG }}, creating draft release"
+            gh release create "${{ env.TAG }}" --draft --repo "${{ github.repository }}" --title "Release ${{ env.TAG }}" --notes "Release ${{ env.TAG }}"
           fi
 
   doc:
@@ -124,7 +127,7 @@ jobs:
     with:
       build-ctk-ver: ${{ inputs.build-ctk-ver }}
       component: ${{ inputs.component }}
-      git-tag: ${{ inputs.git-tag }}
+      git-tag: ${{ vars.TAG }}
       run-id: ${{ needs.determine-run-id.outputs.run-id }}
       is-release: true
 
@@ -139,7 +142,7 @@ jobs:
     secrets: inherit
     uses: ./.github/workflows/release-upload.yml
     with:
-      git-tag: ${{ inputs.git-tag }}
+      git-tag: ${{ vars.TAG }}
       run-id: ${{ needs.determine-run-id.outputs.run-id }}
       component: ${{ inputs.component }}
 

.github/workflows/tag-release.yml

@@ -0,0 +1,47 @@
+# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: Tag Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      component:
+        description: "Component to tag (cuda_bindings implies cuda_python as well)"
+        required: true
+        type: choice
+        options:
+          - cuda_bindings
+          - cuda_core
+          - cuda_pathfinder
+      version:
+        description: "Version to tag (e.g. 1.2.3)"
+        required: true
+        type: string
+
+jobs:
+  tag-release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    env:
+      TAG: ${{ fromJSON('{"cuda_bindings":"v","cuda_core":"cuda-core-v","cuda_pathfinder":"cuda-pathfinder-v"}')[inputs.component] }}${{ inputs.version }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Configure git
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Create empty commit and tag
+        run: |
+          git commit --allow-empty -m "Release ${TAG}"
+          git tag "${TAG}"
+
+      - name: Push commit and tag
+        run: |
+          git push origin main
+          git push origin "${TAG}"