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Tools: Checksum for gcc-arm download on arch prereqs #28547

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Tools: Checksum for gcc-arm download on arch prereqs #28547

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31 changes: 28 additions & 3 deletions Tools/environment_install/install-prereqs-arch.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ PYTHON_PKGS="future lxml pymavlink MAVProxy pexpect argparse matplotlib pyparsin
ARM_ROOT="gcc-arm-none-eabi-10-2020-q4-major"
ARM_TARBALL="$ARM_ROOT-x86_64-linux.tar.bz2"
ARM_TARBALL_URL="https://firmware.ardupilot.org/Tools/STM32-tools/$ARM_TARBALL"
ARM_TARBALL_CHECKSUM="21134caa478bbf5352e239fbc6e2da3038f8d2207e089efc96c3b55f1edcd618"
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@peterbarker that is totally something we will forget to update. Can't we add a checksum file on the server instead ?


# Ardupilot Tools
ARDUPILOT_TOOLS="ardupilot/Tools/autotest"
Expand Down Expand Up @@ -85,9 +86,33 @@ pip3 -q install -U $PYTHON_PKGS
if [ ! -d $OPT/$ARM_ROOT ]; then
(
cd $OPT;
sudo wget --progress=dot:giga $ARM_TARBALL_URL;
sudo tar xjf ${ARM_TARBALL};
sudo rm ${ARM_TARBALL};

# Check if file exists and verify checksum
download_required=false
if [ -e "$ARM_TARBALL" ]; then
echo "File exists. Verifying checksum..."

# Calculate the checksum of the existing file
ACTUAL_CHECKSUM=$(sha256sum "$ARM_TARBALL" | awk '{ print $1 }')

# Compare the actual checksum with the expected one
if [ "$ACTUAL_CHECKSUM" == "$ARM_TARBALL_CHECKSUM" ]; then
echo "Checksum valid. No need to redownload."
else
echo "Checksum invalid. Redownloading the file..."
download_required=true
sudo rm $ARM_TARBALL
fi
else
echo "File does not exist. Downloading..."
download_required=true
fi

if $download_required; then
sudo wget -O "$ARM_TARBALL" --progress=dot:giga $ARM_TARBALL_URL
fi

sudo tar xjf ${ARM_TARBALL}
)
fi

Expand Down