ci: implement a nightly build script

.github/workflows/msbuild.yml

@@ -72,5 +72,5 @@ jobs:
         uses: actions/upload-artifact@v3
         with:
           name: ${{ steps.executable_name.outputs.EXECUTABLE_NAME }}
-          path: D:/a/Cortex-Command-Community-Project/Cortex-Command-Community-Project/${{ steps.executable_name.outputs.EXECUTABLE_NAME }}
+          path: ${{ steps.executable_name.outputs.EXECUTABLE_NAME }}
           if-no-files-found: error

.github/workflows/nightly.yaml

@@ -0,0 +1,178 @@
+name: Nightly Development Build and Release
+# Controls when the action will run.
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"
+
+concurrency:
+  group: nightly-${{ github.ref_name }}
+#   cancel-in-progress: true
+
+env:
+  PREV_TAG: nightly-prev
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  check-for-changes:
+    name: Determine if a new nightly build should be released
+    runs-on: ubuntu-latest
+
+    outputs:
+      needs_build: ${{ steps.check_build.outputs.needs_build }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: fetch tags
+        run: git fetch --tags origin
+
+      - name: Check if tags point to the same commit or if the workflow was manually triggered
+        id: check_build
+        run: |
+          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            echo "Workflow dispatched manually. Continuing..."
+            echo "needs_build=true" >> $GITHUB_OUTPUT;
+          else
+            curr_sha=$(git rev-parse HEAD)
+            prev_sha=$(git rev-parse ${{ env.PREV_TAG }})
+
+            if [[ "$curr_sha" == "$prev_sha" ]]; then
+              echo "No changes since last nightly release. Exiting..."
+              echo "needs_build=false" >> $GITHUB_OUTPUT;
+            else
+              echo "Changes since last nightly release detected. Continuing..."
+              echo "needs_build=true" >> $GITHUB_OUTPUT;
+            fi
+          fi
+
+  build-meson-releases:
+    name: Linux & macOS Release Builds
+
+    needs: check-for-changes
+    if: needs.check-for-changes.outputs.needs_build == 'true'
+
+    uses: ./.github/workflows/meson.yml
+    with:
+      upload_artefacts: true
+
+  build-msbuild-releases:
+    name: Windows Release Build
+
+    needs: check-for-changes
+    if: needs.check-for-changes.outputs.needs_build == 'true'
+
+    uses: ./.github/workflows/msbuild.yml
+    with:
+      upload_artefacts: true
+
+  release:
+    name: Publish Release
+    runs-on: ubuntu-latest
+
+    needs: [build-msbuild-releases, build-meson-releases]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: fetch tags
+        run: git fetch --tags origin
+
+      - run: mkdir release
+
+      - name: Download build artefacts
+        uses: actions/download-artifact@v3
+        with:
+          path: release
+
+      - run: ls -R release
+
+      - name: Compress Windows Release
+        run: |
+          zip -j CortexCommand.windows.zip \
+            "release/Cortex Command.exe" \
+            external/lib/win/{fmod,SDL2}.dll
+
+      - name: Compress Linux Release
+        run: |
+          zip -j CortexCommand.linux.zip \
+            "release/CortexCommand (Linux)/CortexCommand.AppImage" \
+            external/lib/linux/x86_64/libfmod.so*
+
+      - name: Compress OSX Release
+        run: |
+          zip -j CortexCommand.macos.zip \
+            "release/CortexCommand (macOS)/CortexCommand" \
+            external/lib/macos/libfmod.dylib
+
+      - name: Package Data files
+        run: |
+          zip -r -u CortexCommand.windows.zip Data
+          zip -r -u CortexCommand.linux.zip Data
+          zip -r -u CortexCommand.macos.zip Data
+
+      - name: Get Date
+        id: get_date
+        run: |
+          echo "CURRENT_DATE=$(date +'%d-%m-%Y')" >> $GITHUB_OUTPUT
+
+      - name: Check if a nightly release exists
+        id: check_nightly
+        run: |
+          gh release view nightly --repo ${{ github.repository }}
+          if [ $? -eq 0 ] ; then
+            echo "release_exists=true" >> $GITHUB_OUTPUT;
+          else
+            echo "release_exists=false" >> $GITHUB_OUTPUT;
+          fi
+        shell: bash
+        continue-on-error: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Delete old nightly release if it exists
+        if: steps.check_nightly.outputs.release_exists
+        run: |
+          gh release delete nightly -y
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Get commit SHA
+        id: get_commit_sha
+        if: steps.check_nightly.outputs.release_exists
+        run: |
+          prev_sha=$(git rev-parse nightly)
+          echo "prev_SHA=$prev_sha" >> $GITHUB_OUTPUT;
+
+      - name: Update tag pointing to the previous nightly release
+        if: steps.check_nightly.outputs.release_exists
+        run: |
+          curl -X PATCH \
+            -H "Authorization: Bearer ${{ secrets.WORKFLOW_TOKEN }}" \
+            -H "Accept: application/vnd.github.v3+json" \
+            https://api.github.com/repos/${{ github.repository }}/git/refs/tags/${{ env.PREV_TAG }} \
+            -d '{
+              "sha": "${{ steps.get_commit_sha.outputs.prev_SHA }}"
+            }'
+
+      - name: Remove current nightly tag before release
+        if: steps.check_nightly.outputs.release_exists
+        run: |
+          git tag -d nightly
+          git push origin :refs/tags/nightly
+
+      - name: Create Release if it does not exist
+        id: create_release
+        run: |
+          gh release create nightly \
+            --title "Nightly Development Build (${{ steps.get_date.outputs.CURRENT_DATE }})" \
+            --generate-notes \
+            ${{steps.check_nightly.outputs.release_exists && format('--notes-start-tag {0}', env.PREV_TAG) || ''}} \
+            --prerelease \
+            'CortexCommand.windows.zip#Cortex Command [Nightly Build] (Windows Release)' \
+            'CortexCommand.linux.zip#Cortex Command [Nightly Build] (Linux Release)' \
+            'CortexCommand.macos.zip#Cortex Command [Nightly Build] (macOS Release)'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}