validate arm64 installer in CI

Author: msaroufim

.github/workflows/arm64-smoke.yml

@@ -0,0 +1,62 @@
+name: ARM64 Smoke Test
+
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - ".github/workflows/**"
+      - ".cargo/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
+      - "build.rs"
+      - "install.sh"
+      - "src/**"
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  arm64-linux:
+    name: Native ARM64 Linux Smoke Test
+    runs-on: ubuntu-24.04-arm
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+
+      - name: Set up cargo cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          key: ubuntu-24.04-arm-smoke
+
+      - name: Build ARM64 binary
+        run: cargo build --release
+
+      - name: Package expected release asset
+        run: |
+          mkdir -p dist
+          cp target/release/popcorn-cli dist/popcorn-cli
+          chmod +x dist/popcorn-cli
+          tar -czf popcorn-cli-linux-aarch64.tar.gz -C dist popcorn-cli
+
+      - name: Verify packaged binary runs
+        run: |
+          mkdir -p smoke
+          tar -xzf popcorn-cli-linux-aarch64.tar.gz -C smoke
+          ./smoke/popcorn-cli --version
+
+      - name: Verify installer path on ARM64
+        run: |
+          mkdir -p ci-home
+          HOME="$PWD/ci-home" \
+          SHELL=/bin/bash \
+          TEMP_DIR="$PWD/ci-tmp" \
+          INSTALL_DIR="$PWD/ci-home/.local/bin" \
+          DOWNLOAD_URL="file://$PWD/popcorn-cli-linux-aarch64.tar.gz" \
+          bash ./install.sh
+          "$PWD/ci-home/.local/bin/popcorn" --version

install.sh

@@ -54,10 +54,10 @@ fi
 
 echo "✅ Detected OS: $OS ($(uname -m))"
 
-# Download URL
-DOWNLOAD_URL="https://github.com/gpu-mode/popcorn-cli/releases/latest/download/popcorn-cli-${OS}${EXTENSION}"
-TEMP_DIR="/tmp/popcorn-cli-install"
-INSTALL_DIR="$HOME/.local/bin"
+# Allow overrides so CI can validate the installer against a locally built asset.
+DOWNLOAD_URL="${DOWNLOAD_URL:-https://github.com/gpu-mode/popcorn-cli/releases/latest/download/popcorn-cli-${OS}${EXTENSION}}"
+TEMP_DIR="${TEMP_DIR:-/tmp/popcorn-cli-install}"
+INSTALL_DIR="${INSTALL_DIR:-$HOME/.local/bin}"
 
 # Create directories
 mkdir -p "$TEMP_DIR"
@@ -154,4 +154,4 @@ echo "   - ✅ All modes available: test, benchmark, leaderboard, profile"
 echo "   - ✅ Clean user identification"
 echo ""
 echo "💡 Need help? Run: popcorn-cli --help"
-echo "🔗 Example: popcorn-cli submit --gpu MI300 --leaderboard amd-fp8-mm --mode test example.py" 
+echo "🔗 Example: popcorn-cli submit --gpu MI300 --leaderboard amd-fp8-mm --mode test example.py"