workflows: add main release workflow

This reusable workflow builds the installer then uploads the artefact
to the correct endpoint. It is designed to be wrapped and called by
workflows with the correct triggers and endpoint specified as an
input.

Signed-off-by: James Calligeros <[email protected]>

Author: chadmed

.github/workflows/release.yaml

@@ -0,0 +1,46 @@
+name: release
+
+on:
+  workflow_call:
+    inputs:
+        upload-type:
+            required: true
+            type: string
+  workflow_dispatch:
+
+
+jobs:
+  build:
+    uses: ./.github/workflows/build.yaml
+
+  upload-artefact:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download artefact
+        uses: actions/download-artifact@v4
+        with:
+          name: installer-build
+          path: releases/.
+
+      - name: Push to Bunny
+        env:
+          PKG_URL: "https://storage.bunnycdn.com/asahilinux/${{ inputs.upload-type }}"
+          PKG_VER: "installer-${{ needs.build.outputs.installer_ver }}"
+        run: |
+          if [ ! -e "releases/${PKG_VER}" ]; then
+              echo "Package not found!"
+              exit 1
+          fi
+
+          upload() {
+               curl -# --fail --request PUT \
+                   --url "${2}" \
+                   -H "AccessKey: ${{ secrets.BUNNY_TOKEN }}" \
+                   -H "Content-Type: ${3}" \
+                   -H "Accept: application/json" \
+                   --data-binary @${1}
+          }
+
+          upload "releases/${PKG_VER}" "${PKG_URL}/${PKG_VER}" "application/octet-stream"
+          upload "releases/latest" "${PKG_URL}/latest" "text/plain"