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script: skip LLVM download if already installed #3

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Empty file added mock_opt/llvm-19.1.7/bin/clang-format
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35 changes: 21 additions & 14 deletions script/install-llvm.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -42,26 +42,33 @@ fi
LLVM_PACKAGE="LLVM-${LLVM_VERSION}-Linux-X64"
LLVM_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/${LLVM_PACKAGE}.tar.xz"
INSTALL_DIR="/opt/llvm-${LLVM_VERSION}"
TEMP_DIR=$(mktemp -d)
if [ -x "${INSTALL_DIR}/bin/clang-format" ]; then
echo "LLVM ${LLVM_VERSION} is already installed at ${INSTALL_DIR}, skipping download..."
else
TEMP_DIR=$(mktemp -d)

cleanup()
{
rm -rf "${TEMP_DIR}"
}
cleanup()
{
rm -rf "${TEMP_DIR}"
}

trap cleanup EXIT
trap cleanup EXIT

cd "${TEMP_DIR}"
cd "${TEMP_DIR}"

echo "Downloading LLVM from ${LLVM_URL}..."
wget -O llvm.tar.xz "${LLVM_URL}"
echo "Downloading LLVM from ${LLVM_URL}..."
wget -O llvm.tar.xz "${LLVM_URL}"

echo "Uncompressing to ${TEMP_DIR}..."
tar xf llvm.tar.xz
echo "Uncompressing to ${TEMP_DIR}..."
tar xf llvm.tar.xz

echo "Installing to ${INSTALL_DIR}..."
sudo mkdir -p /opt
sudo mv "${LLVM_PACKAGE}" "${INSTALL_DIR}"
echo "Installing to ${INSTALL_DIR}..."
sudo mkdir -p /opt
if [ -d "${INSTALL_DIR}" ]; then
sudo rm -rf "${INSTALL_DIR}"
fi
sudo mv "${LLVM_PACKAGE}" "${INSTALL_DIR}"
fi

echo "Creating symlinks in /usr/local/bin..."
sudo ln -sf "${INSTALL_DIR}/bin/clang-format" "/usr/local/bin/clang-format-19"
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