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Add command-line option "latest" #34

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9df94e4
Add command-line option "latest"
emaxx-google Jul 25, 2025
875734a
Add help
emaxx-google Jul 25, 2025
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14 changes: 11 additions & 3 deletions llvm.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ set -eux
usage() {
set +x
echo "Usage: $0 [llvm_major_version] [all] [OPTIONS]" 1>&2
echo -e "latest\t\t\tInstall the latest available major version." 1>&2
echo -e "all\t\t\tInstall all packages." 1>&2
echo -e "-n=code_name\t\tSpecifies the distro codename, for example bionic" 1>&2
echo -e "-h\t\t\tPrints this help." 1>&2
Expand Down Expand Up @@ -159,17 +160,18 @@ LLVM_VERSION_PATTERNS[19]="-19"
LLVM_VERSION_PATTERNS[20]="-20"
LLVM_VERSION_PATTERNS[21]="-21"
LLVM_VERSION_PATTERNS[22]=""
LLVM_VERSION_PATTERNS["latest"]=""

if [ ! ${LLVM_VERSION_PATTERNS[$LLVM_VERSION]+_} ]; then
echo "This script does not support LLVM version $LLVM_VERSION"
exit 3
fi

LLVM_VERSION_STRING=${LLVM_VERSION_PATTERNS[$LLVM_VERSION]}
LLVM_REPO_SUFFIX=${LLVM_VERSION_PATTERNS[$LLVM_VERSION]}

# join the repository name
if [[ -n "${CODENAME}" ]]; then
REPO_NAME="deb ${BASE_URL}/${CODENAME}/ llvm-toolchain${LINKNAME}${LLVM_VERSION_STRING} main"
REPO_NAME="deb ${BASE_URL}/${CODENAME}/ llvm-toolchain${LINKNAME}${LLVM_REPO_SUFFIX} main"
# check if the repository exists for the distro and version
if ! wget -q --method=HEAD ${BASE_URL}/${CODENAME} &> /dev/null && \
! curl -sSLI -XHEAD ${BASE_URL}/${CODENAME} &> /dev/null; then
Expand Down Expand Up @@ -213,14 +215,20 @@ elif [[ $is_new_debian -eq 1 ]]; then
Architectures: amd64 arm64
Signed-By: /etc/apt/trusted.gpg.d/apt.llvm.org.asc
URIs: ${BASE_URL}/${CODENAME}/
Suites: llvm-toolchain${LINKNAME}${LLVM_VERSION_STRING}
Suites: llvm-toolchain${LINKNAME}${LLVM_REPO_SUFFIX}
Components: main"
echo "$TEXT_TO_ADD" | tee -a "$SOURCES_FILE" > /dev/null
else
add-apt-repository -y "${REPO_NAME}"
fi

apt-get update

if [[ "$LLVM_VERSION" == "latest" ]]; then
LLVM_VERSION=$(apt-cache search '^llvm-[0-9]+$' | awk '{print $1}' | sed "s/llvm-//" | sort -n | tail -n 1)
echo "Installing version=$LLVM_VERSION"
fi

PKG="clang-$LLVM_VERSION lldb-$LLVM_VERSION lld-$LLVM_VERSION clangd-$LLVM_VERSION"
if [[ $ALL -eq 1 ]]; then
# same as in test-install.sh
Expand Down