[ci] enforced shellcheck checks in .ci/install-clang-devel.sh issue(m…

…icrosoft#6498)

- fixed  SC2086 (info): Double quote to prevent globbing and word splitting.

.ci/install-clang-devel.sh

@@ -32,26 +32,26 @@ add-apt-repository -y "deb-src http://apt.llvm.org/unstable/ llvm-toolchain-${CL
 apt-get update -y
 
 apt-get install -y --no-install-recommends \
- clang-${CLANG_VERSION} \
- clangd-${CLANG_VERSION} \
- clang-format-${CLANG_VERSION} \
- clang-tidy-${CLANG_VERSION} \
- clang-tools-${CLANG_VERSION} \
- lldb-${CLANG_VERSION} \
- lld-${CLANG_VERSION} \
- llvm-${CLANG_VERSION}-dev \
- llvm-${CLANG_VERSION}-tools \
- libomp-${CLANG_VERSION}-dev \
- libc++-${CLANG_VERSION}-dev \
- libc++abi-${CLANG_VERSION}-dev \
- libclang-common-${CLANG_VERSION}-dev \
- libclang-${CLANG_VERSION}-dev \
- libclang-cpp${CLANG_VERSION}-dev \
- libunwind-${CLANG_VERSION}-dev
+ clang-"${CLANG_VERSION}" \
+ clangd-"${CLANG_VERSION}" \
+ clang-format-"${CLANG_VERSION}" \
+ clang-tidy-"${CLANG_VERSION}" \
+ clang-tools-"${CLANG_VERSION}" \
+ lldb-"${CLANG_VERSION}" \
+ lld-"${CLANG_VERSION}" \
+ llvm-"${CLANG_VERSION}"-dev \
+ llvm-"${CLANG_VERSION}"-tools \
+ libomp-"${CLANG_VERSION}"-dev \
+ libc++-"${CLANG_VERSION}"-dev \
+ libc++abi-"${CLANG_VERSION}"-dev \
+ libclang-common-"${CLANG_VERSION}"-dev \
+ libclang-"${CLANG_VERSION}"-dev \
+ libclang-cpp"${CLANG_VERSION}"-dev \
+ libunwind-"${CLANG_VERSION}"-dev
 
 # overwriting the stuff in /usr/bin is simpler and more reliable than
 # updating PATH, LD_LIBRARY_PATH, etc.
-cp --remove-destination /usr/lib/llvm-${CLANG_VERSION}/bin/* /usr/bin/
+cp --remove-destination /usr/lib/llvm-"${CLANG_VERSION}"/bin/* /usr/bin/
 
 # per https://www.stats.ox.ac.uk/pub/bdr/Rconfig/r-devel-linux-x86_64-fedora-clang
 #