Add upload task

.cirrus.yml

@@ -67,3 +67,13 @@ build_xournalpp_task:
     (cd mac-setup && bash build-app.sh ~/gtk && bash build-dmg.sh Xournal++.app Xournal++.dmg)
   xournalpp_artifacts:
     path: mac-setup/Xournal++.dmg
+
+github_upload_task:
+  depends_on:
+    - build_xournalpp
+  env:
+    GITHUB_TOKEN: ENCRYPTED[!a7eb9968bbfc1f1d79496117893528174c24e70046095d5f9096ecfe3bc19a8cadd675c0d91afb3e2d9707de131abdaf!]
+
+  xournalpp_upload_script: |
+    bash mac-setup/upload-release.sh
+  only_if: $BRANCH =~ 'release-.*'

mac-setup/upload-release.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# See https://cirrus-ci.org/examples/#release-assets
+
+if [[ "$CIRRUS_RELEASE" == "" ]]; then
+  echo "Not a release. No need to deploy!"
+  exit 0
+fi
+
+if [[ "$GITHUB_TOKEN" == "" ]]; then
+  echo "Please provide GitHub access token via GITHUB_TOKEN environment variable!"
+  exit 1
+fi
+
+file_content_type="application/zip"
+asset_path=xournalpp.zip # relative path of asset to upload
+curl -o $asset_path https://api.cirrus-ci.com/v1/artifact/build/$CIRRUS_BUILD_ID/build_xournalpp/xournalpp.zip
+ver=$(echo $CIRRUS_TAG | sed s/v//)    # --> x.y.z
+
+name="xournalpp-$ver-macos_arm64.zip"  # --> xournalpp-x.y.z-macos_arm64.zip
+
+echo "Uploading $asset_path as $name ..."
+url_to_upload="https://uploads.github.com/repos/$CIRRUS_REPO_FULL_NAME/releases/$CIRRUS_RELEASE/assets?name=$name"
+curl -X POST \
+    --data-binary @$asset_path \
+    --header "Authorization: token $GITHUB_TOKEN" \
+    --header "Content-Type: $file_content_type" \
+    $url_to_upload