Add automatic update checking

This soultion uses the Flathub Bot since it is easy to implement and works well for this use case. A GitHub Action is set to make it run once a week.
Makefile was updated as well to reflect the changes.

.github/workflows/update-check.yml

@@ -0,0 +1,29 @@
+name: Check for updates
+on:
+  schedule: # for scheduling to work this file must be in the default branch
+  - cron: "0 0 * * 1" # run every Monday
+  workflow_dispatch: # can be manually dispatched under GitHub's "Actions" tab 
+
+jobs:
+  flatpak-external-data-checker:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        branch: [ master ] # list all branches to check
+    
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ matrix.branch }}
+
+      - uses: docker://ghcr.io/flathub/flatpak-external-data-checker:latest
+        env:
+          GIT_AUTHOR_NAME: Flatpak External Data Checker
+          GIT_COMMITTER_NAME: Flatpak External Data Checker
+          # email sets "github-actions[bot]" as commit author, see https://github.community/t/github-actions-bot-email-address/17204/6
+          GIT_AUTHOR_EMAIL: 41898282+github-actions[bot]@users.noreply.github.com
+          GIT_COMMITTER_EMAIL: 41898282+github-actions[bot]@users.noreply.github.com
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          args: --update --never-fork dev.aunetx.deezer.json

Makefile

@@ -1,8 +1,9 @@
 # Maintainer: Aurélien Hamy <aunetx@yandex.com>
 
 APPNAME = dev.aunetx.deezer
-PKGVER = 6.0.110
-BASE_URL = https://www.deezer.com/desktop/download/artifact/win32/x86/$(PKGVER)
+BASE_URL = $(shell jq ".modules[0].sources[0].url" dev.aunetx.deezer.json)
+SHA256 = $(shell jq ".modules[0].sources[0].sha256" dev.aunetx.deezer.json)
+PKGVER = $(shell echo $(BASE_URL) | grep -Eo "([0-9]+\.[0-9]+\.[0-9]+)" | head -1)
 VERSION_REGEX = ^v$(PKGVER)-[0-9]{1,}$$
 
 

dev.aunetx.deezer.json

@@ -0,0 +1,22 @@
+{
+  "app-id": "dev.aunetx.deezer",
+  "modules": [
+    {
+      "name": "deezer",
+      "sources": [
+        {
+          "type": "archive",
+          "url": "https://e-cdn-content.dzcdn.net/builds/deezer-desktop/8cF2rAuKxLcU1oMDmCYm8Uiqe19Ql0HTySLssdzLkQ9ZWHuDTp2JBtQOvdrFzWPA/win32/x86/6.0.150/DeezerDesktopSetup_6.0.150.exe",
+          "sha256": "0ecf85dc7988bc1c26bf12f22b800eeb813b943b7453b8ac5fa9a103ccc075f5",
+          "only-arches": ["x86_64"],
+          "dest": "archive",
+          "x-checker-data": {
+            "type": "rotating-url",
+            "url": "https://www.deezer.com/desktop/download?platform=win32&architecture=x86",
+            "pattern": "([\\d]+\\.[\\d]+\\.[\\d]+)"
+          }
+        }
+      ]
+    }
+  ]
+}