github: attempt to build linux arm64 binary

Summary:
The `manylinux` Docker image contains both the x64 and arm64 versions. So let's
try build the arm64 linux binary too.

Note there is [no `ubuntu-arm-latest`](https://github.com/orgs/community/discussions/148648#discussioncomment-11858287).

Reviewed By: muirdm

Differential Revision: D75883597

fbshipit-source-id: 1dd9a216f7e15aaf45ef0fa0fa68726e45252f3f

Author: quark-zju

.github/workflows/sapling-cli-manylinux-release.yml

@@ -1,4 +1,4 @@
-name: Release - Linux x64
+name: Release - Linux (x64, arm64)
 'on':
   workflow_dispatch: null
   push:
@@ -7,7 +7,10 @@ name: Release - Linux x64
     - test-release-*
 jobs:
   build:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        runs-on: [ubuntu-latest, ubuntu-24.04-arm]
+    runs-on: ${{ matrix.runs-on }}
     container:
       image: ${{ format('ghcr.io/{0}/manylinux_2_34:latest', github.repository) }}
     steps:
@@ -17,20 +20,29 @@ jobs:
       run: git config --global --add safe.directory "$PWD"
     - name: rustup
       run: rustup default stable
-    - name: set-env SAPLING_VERSION
+    - name: Set SAPLING_VERSION
       shell: bash
       run: echo "SAPLING_VERSION=$(ci/tag-name.sh)" >> $GITHUB_ENV
+    - name: Set ARCH
+      shell: bash
+      run: |
+        case "${{ matrix.runs-on }}" in
+          "ubuntu-latest")
+            echo "ARCH=x64" ;;
+          "ubuntu-24.04-arm")
+            echo "ARCH=arm64" ;;
+        esac >> $GITHUB_ENV
     - name: Build
       working-directory: ./eden/scm
       run: ${{ format('VERSION={0} python3 ./packaging/manylinux/build.py', env.SAPLING_VERSION) }}
     - name: Rename .tar.xz
       working-directory: ./eden/scm
-      run: ${{ format('mv sapling-manylinux.tar.xz sapling-{0}-linux-x64.tar.xz', env.SAPLING_VERSION) }}
+      run: ${{ format('mv sapling-manylinux.tar.xz sapling-{0}-linux-{1}.tar.xz', env.SAPLING_VERSION, env.ARCH) }}
     - name: Upload Artifact
       uses: actions/upload-artifact@v4
       with:
-        name: linux-x64-tarball
-        path: ./eden/scm/sapling_*.tar.xz
+        name: linux-${{ env.ARCH }}-tarball
+        path: ./eden/scm/sapling*.tar.xz
   publish:
     runs-on: ubuntu-latest
     needs: build
@@ -39,10 +51,10 @@ jobs:
       uses: actions/checkout@v3
     - name: Grant Access
       run: git config --global --add safe.directory "$PWD"
-    - name: Download Artifact
+    - name: Download Artifacts
       uses: actions/[email protected]
       with:
-        name: linux-x64-tarball
+        pattern: sapling*.tar.xz
     - name: Create pre-release
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}