Fix DEB deploy

Author: pol-rivero

.github/workflows/ci-linux.yml

@@ -330,6 +330,15 @@ jobs:
         run: |
           echo "RELEASE_TAG_WITHOUT_PREFIX=$(cat ./release_tag_without_prefix.txt)" >> $GITHUB_ENV
 
+      - name: Rename artifacts
+        run: |
+          for file in $(find ./artifacts -type f -name "GitHubDesktop-linux-*"); do
+            new_name=$(echo "$file" | sed -E "s/GitHubDesktop-linux-(.*)-[0-9]+\\.[0-9]+\\.[0-9]+(-beta[0-9]+)?\\.(.*)/GitHubDesktopPlus-${{ env.RELEASE_TAG_WITHOUT_PREFIX }}-linux-\\1.\\3/")
+            new_name=$(echo $new_name | sed -E "s/linux-amd64/linux-x86_64/")
+            new_name=$(echo $new_name | sed -E "s/linux-aarch64/linux-arm64/")
+            mv --verbose "$file" "$new_name"
+          done
+
       - name: Install Debian repo tools
         run: |
           sudo apt-get update
@@ -339,14 +348,20 @@ jobs:
         run: |
           cd ./publish/deb
           rm -rf pool dists
-          mkdir -p pool/main dists/stable/main/binary-amd64
+          mkdir -p pool/main \
+            dists/stable/main/binary-amd64 \
+            dists/stable/main/binary-arm64 \
+            dists/stable/main/binary-armhf
 
           # Copy .deb packages into pool
           find ../../artifacts -type f -name "*.deb" -exec cp {} pool/main/ \;
 
-          # Generate the Packages index
-          dpkg-scanpackages pool /dev/null > dists/stable/main/binary-amd64/Packages
-          gzip -kf dists/stable/main/binary-amd64/Packages
+          # Generate the Packages index for each architecture
+          for arch in amd64 arm64 armhf; do
+            mkdir -p dists/stable/main/binary-$arch
+            dpkg-scanpackages pool /dev/null | awk -v arch=$arch '$0 ~ ("Architecture: " arch) || $0 !~ /^Architecture:/ { print }' > dists/stable/main/binary-$arch/Packages
+            gzip -kf dists/stable/main/binary-$arch/Packages
+          done
 
           # Create the Release file
           apt-ftparchive -o APT::FTPArchive::Release::Codename=stable release dists/stable > dists/stable/Release