feat: Added GH workflow to mirror releases

Author: nicholasdille

.github/workflows/release.yml

@@ -0,0 +1,46 @@
+name: Mirror GitLab Release
+
+on:
+  push:
+    tags:
+    - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  mirror-release:
+    runs-on: ubuntu-latest
+    env:
+      GITLAB_PROJECT: uniget-org/cli
+      GITLAB_PROJECT_API: uniget-org%2Fcli
+      GITLAB_REPO_URL: https://gitlab.com/${GITLAB_PROJECT}
+      GITLAB_RELEASE_API_URL: https://gitlab.com/${GITLAB_PROJECT}/-/releases/${GITHUB_REF_NAME}
+      GITLAB_PROJECT_API_URL: "https://gitlab.com/api/v4/projects/${GITLAB_PROJECT_API}/releases/${GITHUB_REF_NAME}"
+    steps:
+      - name: Mirror release from GitLab
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          echo "Fetching GitLab release for tag: ${GITHUB_REF_NAME}"
+          if ! curl --silent --show-error --location --fail --output release.json "${GITLAB_PROJECT_API_URL}"; then
+            echo "ERROR: Failed to fetch GitLab release for tag >${GITHUB_REF_NAME}>."
+            exit 1
+          fi
+
+          title="$(jq -r '.name // .tag_name' release.json)"
+          notes_file=release_notes.md
+          {
+            echo "Mirrored from GitLab: ${GITLAB_RELEASE_API_URL}"
+            echo
+            jq -r '.description // ""' release.json
+          } >"${notes_file}"
+
+          if gh release view "${GITHUB_REF_NAME}" >/dev/null 2>&1; then
+            echo "Updating existing GitHub release ${GITHUB_REF_NAME}"
+            gh release edit "${GITHUB_REF_NAME}" --title "${title}" --notes-file "${notes_file}"
+          else
+            echo "Creating GitHub release ${GITHUB_REF_NAME}"
+            gh release create "${GITHUB_REF_NAME}" --title "${title}" --notes-file "${notes_file}"
+          fi