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22 changes: 11 additions & 11 deletions scripts/fetch_tools.sh
Original file line number Diff line number Diff line change
Expand Up @@ -20,32 +20,32 @@ _install() {
[[ -e "${dest}" ]] && return 0
echo "Installing ${filename} to ${DEST_DIR}"

tmp=$(mktemp -d)
trap 'rm -rfv ${tmp} &>/dev/null' EXIT
WORK_DIR=$(mktemp -d "${DEST_DIR}/../install.XXXXXX")
trap 'rm -rfv ${WORK_DIR} &>/dev/null' EXIT

filename="$(basename "${url}")"
echo -n "${checksum} -" >"${tmp}/checksum.txt"
echo -n "${checksum} -" >"${WORK_DIR}/checksum.txt"

curl -sSfL --retry 5 --retry-delay 3 -o "${tmp}/${filename}" "${url}"
curl -sSfL --retry 5 --retry-delay 3 -o "${WORK_DIR}/${filename}" "${url}"

if ! sha256sum -c "${tmp}/checksum.txt" < "${tmp}/${filename}" &>/dev/null; then
if ! sha256sum -c "${WORK_DIR}/checksum.txt" < "${WORK_DIR}/${filename}" &>/dev/null; then
echo " Checksum for ${filename} doesn't match"
echo " Expected: ${checksum}"
echo " Got: $(sha256sum < "${tmp}/${filename}" | cut -d' ' -f1)"
echo " Got: $(sha256sum < "${WORK_DIR}/${filename}" | cut -d' ' -f1)"
return 1
fi

# Check type of downloaded file - if it's not executable, then assume it is an archive and needs extracting
if [[ "$(file --brief --mime-type "${tmp}/${filename}")" != "application/x-executable" ]]; then
if [[ "$(file --brief --mime-type "${WORK_DIR}/${filename}")" != "application/x-executable" ]]; then
# Extract binary from the archive.
# --transform removes any leading dirs leaving just filenames so binary is extracted directly into ${tmp}
# --transform removes any leading dirs leaving just filenames so binary is extracted directly into ${WORK_DIR}
# --wildcards match binary's name so only that file is extracted
(cd "${tmp}" && tar xvf "${filename}" --transform 's,.*\/,,g' --wildcards "*/${initial_filename}" >/dev/null)
(cd "${WORK_DIR}" && tar xvf "${filename}" --transform 's,.*\/,,g' --wildcards "*/${initial_filename}" >/dev/null)
fi

chmod +x "${tmp}/${initial_filename}"
chmod +x "${WORK_DIR}/${initial_filename}"
mkdir -p "$(dirname "${dest}")"
mv "${tmp}/${initial_filename}" "${dest}"
mv "${WORK_DIR}/${initial_filename}" "${dest}"
}

get_golangci-lint() {
Expand Down