update alternatives for llvm/clang

update-alt.sh

#!/usr/bin/env bash

#     --slave /usr/bin/$1 $1 /usr/bin/$1-\${version} \\

function register_clang_version {
    local version=$1
    local priority=$2

    update-alternatives \
        --install /usr/bin/llvm-config       llvm-config      /usr/lib/llvm-${version}/bin/llvm-config ${priority} \
        --slave   /usr/bin/llvm-ar           llvm-ar          /usr/lib/llvm-${version}/bin/llvm-ar \
        --slave   /usr/bin/llvm-as           llvm-as          /usr/lib/llvm-${version}/bin/llvm-as \
        --slave   /usr/bin/llvm-bcanalyzer   llvm-bcanalyzer  /usr/lib/llvm-${version}/bin/llvm-bcanalyzer \
        --slave   /usr/bin/llvm-cov          llvm-cov         /usr/lib/llvm-${version}/bin/llvm-cov \
        --slave   /usr/bin/llvm-diff         llvm-diff        /usr/lib/llvm-${version}/bin/llvm-diff \
        --slave   /usr/bin/llvm-dis          llvm-dis         /usr/lib/llvm-${version}/bin/llvm-dis \
        --slave   /usr/bin/llvm-dwarfdump    llvm-dwarfdump   /usr/lib/llvm-${version}/bin/llvm-dwarfdump \
        --slave   /usr/bin/llvm-extract      llvm-extract     /usr/lib/llvm-${version}/bin/llvm-extract \
        --slave   /usr/bin/llvm-link         llvm-link        /usr/lib/llvm-${version}/bin/llvm-link \
        --slave   /usr/bin/llvm-mc           llvm-mc          /usr/lib/llvm-${version}/bin/llvm-mc \
        --slave   /usr/bin/llvm-mcmarkup     llvm-mcmarkup    /usr/lib/llvm-${version}/bin/llvm-mcmarkup \
        --slave   /usr/bin/llvm-nm           llvm-nm          /usr/lib/llvm-${version}/bin/llvm-nm \
        --slave   /usr/bin/llvm-objdump      llvm-objdump     /usr/lib/llvm-${version}/bin/llvm-objdump \
        --slave   /usr/bin/llvm-ranlib       llvm-ranlib      /usr/lib/llvm-${version}/bin/llvm-ranlib \
        --slave   /usr/bin/llvm-readobj      llvm-readobj     /usr/lib/llvm-${version}/bin/llvm-readobj \
        --slave   /usr/bin/llvm-rtdyld       llvm-rtdyld      /usr/lib/llvm-${version}/bin/llvm-rtdyld \
        --slave   /usr/bin/llvm-size         llvm-size        /usr/lib/llvm-${version}/bin/llvm-size \
        --slave   /usr/bin/llvm-stress       llvm-stress      /usr/lib/llvm-${version}/bin/llvm-stress \
        --slave   /usr/bin/llvm-symbolizer   llvm-symbolizer  /usr/lib/llvm-${version}/bin/llvm-symbolizer \
        --slave   /usr/bin/llvm-tblgen       llvm-tblgen      /usr/lib/llvm-${version}/bin/llvm-tblgen \
        --slave   /usr/bin/llvm-readelf      llvm-readelf     /usr/lib/llvm-${version}/bin/llvm-readelf

    update-alternatives \
        --install /usr/bin/clang                 clang                 /usr/lib/llvm-${version}/bin/clang ${priority} \
        --slave   /usr/bin/clang++               clang++               /usr/lib/llvm-${version}/bin/clang++  \
        --slave   /usr/bin/asan_symbolize        asan_symbolize        /usr/lib/llvm-${version}/bin/asan_symbolize \
        --slave   /usr/bin/c-index-test          c-index-test          /usr/lib/llvm-${version}/bin/c-index-test \
        --slave   /usr/bin/clang-check           clang-check           /usr/lib/llvm-${version}/bin/clang-check \
        --slave   /usr/bin/clang-cl              clang-cl              /usr/lib/llvm-${version}/bin/clang-cl \
        --slave   /usr/bin/clang-cpp             clang-cpp             /usr/lib/llvm-${version}/bin/clang-cpp \
        --slave   /usr/bin/clang-format          clang-format          /usr/lib/llvm-${version}/bin/clang-format \
        --slave   /usr/bin/clang-format-diff     clang-format-diff     /usr/lib/llvm-${version}/bin/clang-format-diff \
        --slave   /usr/bin/clang-import-test     clang-import-test     /usr/lib/llvm-${version}/bin/clang-import-test \
        --slave   /usr/bin/clang-include-fixer   clang-include-fixer   /usr/lib/llvm-${version}/bin/clang-include-fixer \
        --slave   /usr/bin/clang-offload-bundler clang-offload-bundler /usr/lib/llvm-${version}/bin/clang-offload-bundler \
        --slave   /usr/bin/clang-query           clang-query           /usr/lib/llvm-${version}/bin/clang-query \
        --slave   /usr/bin/clang-rename          clang-rename          /usr/lib/llvm-${version}/bin/clang-rename \
        --slave   /usr/bin/clang-reorder-fields  clang-reorder-fields  /usr/lib/llvm-${version}/bin/clang-reorder-fields \
        --slave   /usr/bin/clang-tidy            clang-tidy            /usr/lib/llvm-${version}/bin/clang-tidy \
        --slave   /usr/bin/lldb                  lldb                  /usr/lib/llvm-${version}/bin/lldb \
        --slave   /usr/bin/lldb-server           lldb-server           /usr/lib/llvm-${version}/bin/lldb-server
}

register_clang_version $1 $2