ci: add arm64 support

.github/workflows/build.yml

@@ -13,7 +13,15 @@ on:
 
 jobs:
   linux-build:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - arch: x64
+            runner: ubuntu-latest
+          - arch: arm64
+            runner: ubuntu-24.04-arm
+      fail-fast: false
+    runs-on: ${{ matrix.runner }}
 
     steps:
       - name: Install apt deps (jq/zip + dev-libs)
@@ -64,7 +72,7 @@ jobs:
         run: |
           set -euo pipefail
           COMMIT_SHA="${{ github.sha }}"
-          ARCHIVE_NAME="pwsp-${COMMIT_SHA}-linux-x64.zip"
+          ARCHIVE_NAME="pwsp-${COMMIT_SHA}-linux-${{ matrix.arch }}.zip"
           echo "Creating archive: $ARCHIVE_NAME"
 
           FILES=()
@@ -91,12 +99,20 @@ jobs:
       - name: Upload archive as artifact
         uses: actions/upload-artifact@v4
         with:
-          name: archive
+          name: archive-${{ matrix.arch }}
           path: pwsp-*.zip
           retention-days: 7
 
   deb-build:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - arch: x64
+            runner: ubuntu-latest
+          - arch: arm64
+            runner: ubuntu-24.04-arm
+      fail-fast: false
+    runs-on: ${{ matrix.runner }}
 
     steps:
       - name: Install apt deps (dev-libs)
@@ -149,13 +165,21 @@ jobs:
       - name: Upload .deb(s) as artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: deb-packages
+          name: deb-packages-${{ matrix.arch }}
           path: target/debian/*.deb
           retention-days: 7
 
   flatpak-build:
     if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - arch: x86_64
+            runner: ubuntu-latest
+          - arch: aarch64
+            runner: ubuntu-24.04-arm
+      fail-fast: false
+    runs-on: ${{ matrix.runner }}
     container:
       image: ghcr.io/flathub-infra/flatpak-github-actions:freedesktop-25.08
       options: --privileged
@@ -166,8 +190,9 @@ jobs:
       - name: Build Flatpak
         uses: flatpak/flatpak-github-actions/flatpak-builder@v6
         with:
-          bundle: ru.arabianq.pwsp.flatpak
+          bundle: ru.arabianq.pwsp_${{ matrix.arch }}.flatpak
           manifest-path: packages/flatpak/ru.arabianq.pwsp.yaml
           cache: true
           branch: master
           build-bundle: true
+          arch: ${{ matrix.arch }}

.github/workflows/flatter.yml

@@ -21,8 +21,8 @@ on:
         default: "stable"
 
 jobs:
-  flatter:
-    name: Flatter
+  flatter-x64:
+    name: Flatter (x86_64)
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -30,6 +30,59 @@ jobs:
       image: ghcr.io/andyholmes/flatter/freedesktop:25.08
       options: --privileged
 
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.tag_name || github.ref }}
+
+      - name: Setup GPG
+        id: gpg
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+
+      - name: Set Default Branch
+        id: set_branch
+        run: |
+          if [ "${{ github.event_name }}" == "release" ]; then
+            echo "branch=stable" >> $GITHUB_OUTPUT
+          elif [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
+            echo "branch=${{ inputs.build_branch }}" >> $GITHUB_OUTPUT
+          else
+            echo "branch=nightly" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Modify Manifest
+        run: |
+          echo "branch: ${{ steps.set_branch.outputs.branch }}" >> packages/flatpak/ru.arabianq.pwsp.yaml
+          echo "default-branch: ${{ steps.set_branch.outputs.branch }}" >> packages/flatpak/ru.arabianq.pwsp.yaml
+
+      - name: Install SDK Extensions
+        run:
+          flatpak install -y flathub org.freedesktop.Sdk.Extension.rust-stable//25.08
+          org.freedesktop.Sdk.Extension.llvm20//25.08
+
+      - name: Build Flatpak
+        uses: andyholmes/flatter@main
+        with:
+          files: packages/flatpak/ru.arabianq.pwsp.yaml
+          gpg-sign: ${{ steps.gpg.outputs.fingerprint }}
+          upload-bundles: false
+          upload-pages-artifact: false
+          arch: x86_64
+
+  flatter-arm64:
+    name: Flatter (aarch64)
+    needs: flatter-x64
+    runs-on: ubuntu-24.04-arm
+    permissions:
+      contents: read
+    container:
+      image: ghcr.io/andyholmes/flatter/freedesktop:25.08
+      options: --privileged
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -71,11 +124,12 @@ jobs:
           gpg-sign: ${{ steps.gpg.outputs.fingerprint }}
           upload-bundles: false
           upload-pages-artifact: true
+          arch: aarch64
 
   deploy:
     name: Deploy to GitHub Pages
     runs-on: ubuntu-latest
-    needs: flatter
+    needs: flatter-arm64
     permissions:
       pages: write
       id-token: write

.github/workflows/release.yml

@@ -64,7 +64,15 @@ jobs:
 
   linux-release:
     needs: prepare
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - arch: x64
+            runner: ubuntu-latest
+          - arch: arm64
+            runner: ubuntu-24.04-arm
+      fail-fast: false
+    runs-on: ${{ matrix.runner }}
 
     steps:
       - name: Install apt deps (jq/zip + dev-libs)
@@ -107,7 +115,7 @@ jobs:
         run: |
           set -euo pipefail
           TAG="${{ needs.prepare.outputs.tag }}"
-          ARCHIVE_NAME="pwsp-${TAG}-linux-x64.zip"
+          ARCHIVE_NAME="pwsp-${TAG}-linux-${{ matrix.arch }}.zip"
           echo "Creating archive: $ARCHIVE_NAME"
 
           FILES=()
@@ -134,13 +142,21 @@ jobs:
       - name: Upload zip archive
         uses: actions/upload-artifact@v4
         with:
-          name: zip-archive
+          name: zip-archive-${{ matrix.arch }}
           path: pwsp-*.zip
           retention-days: 1
 
   deb-release:
     needs: prepare
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - arch: x64
+            runner: ubuntu-latest
+          - arch: arm64
+            runner: ubuntu-24.04-arm
+      fail-fast: false
+    runs-on: ${{ matrix.runner }}
 
     steps:
       - name: Install apt deps (dev-libs)
@@ -188,7 +204,7 @@ jobs:
       - name: Upload deb package
         uses: actions/upload-artifact@v4
         with:
-          name: deb-package
+          name: deb-package-${{ matrix.arch }}
           path: target/debian/*.deb
           retention-days: 1
 
@@ -196,16 +212,28 @@ jobs:
     needs: [prepare, linux-release, deb-release]
     runs-on: ubuntu-latest
     steps:
-      - name: Download zip archive
+      - name: Download zip archive (x64)
         uses: actions/download-artifact@v4
         with:
-          name: zip-archive
+          name: zip-archive-x64
           path: ./dist
 
-      - name: Download deb package
+      - name: Download zip archive (arm64)
         uses: actions/download-artifact@v4
         with:
-          name: deb-package
+          name: zip-archive-arm64
+          path: ./dist
+
+      - name: Download deb package (x64)
+        uses: actions/download-artifact@v4
+        with:
+          name: deb-package-x64
+          path: ./dist
+
+      - name: Download deb package (arm64)
+        uses: actions/download-artifact@v4
+        with:
+          name: deb-package-arm64
           path: ./dist
 
       - name: Upload artifacts to Release