Adding toolchain download verification to CI build preset test

Author: BujSet

.github/workflows/build-presets.yml

@@ -55,16 +55,20 @@ jobs:
 
         ./install_requirements.sh > /dev/null
 
-        # Download toolchain and add to path
+        # Download toolchain
         toolchain_url="https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.17.2/toolchain_linux-x86_64_arm-zephyr-eabi.tar.xz"
         toolchain_dir="arm-zephyr-eabi"
         curl --output "${toolchain_dir}.tar.xz" -L "${toolchain_url}"
+
+        # Verify download
+        echo "93128be0235cf5cf5f1ee561aa6eac5f  arm-zephyr-x86-64-eabi.tar.xz" > arm-zephyr-eabi.md5
+        md5sum -c --strict arm-zephyr-eabi.md5
+        
+        # Extract and install to PATH
         tar xf "${toolchain_dir}.tar.xz"
         rm -f "${toolchain_dir}.tar.xz"
         toolchain_bin_path="$(cd ${toolchain_dir}/bin && pwd)"
-        echo $PATH
         export PATH=$PATH:${toolchain_bin_path}
-        echo $PATH
 
         # Build Arm Zephyr Preset
         cmake --preset ${{ matrix.preset }}