update direnv install script

direnv/.local/bin/install-direnv-home

@@ -5,28 +5,9 @@ source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=direnv
 VERSION=${VERSION:-2.28.0}
-DATA_DIR="${XDG_DATA_HOME}/apps/releases"
-DEST_DIR="${DATA_DIR}/${APP}/${VERSION}"
+DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
 URL=https://github.com/direnv/direnv/releases/download/v${VERSION}/direnv.$(get_os)-$(get_arch)
 
-if [[ ! -d "${DEST_DIR}" ]] ; then
-	TMP_DIR=$(mktemp -d)
-	OUTPUT="${TMP_DIR}/${APP}"
-	curl --location --silent --output "${OUTPUT}" "${URL}"
-	mkdir -p "${DEST_DIR}"
-	chmod 755 "${OUTPUT}"
-	mv -v "${OUTPUT}" "${DEST_DIR}/${APP}"
-	rm -rf "${TMP_DIR}"
-fi
-
-cd "${DATA_DIR}/${APP}" || exit 1
-[[ -s current ]] && unlink current
-ln -s "${VERSION}" current
-
-if [[ -L "$XDG_BIN_HOME/${APP}" ]]; then
-	unlink "$XDG_BIN_HOME/${APP}"
-fi
-
-cd "${XDG_BIN_HOME}" || exit 1
-REL_LINK="$(relative_path "${XDG_BIN_HOME}" "${DATA_DIR}/${APP}/current/${APP}")"
-[[ -L "${APP}" ]] || ln -s "${REL_LINK}" "${APP}"
+extract_tarball "${URL}" "${DEST}/${VERSION}"
+set_current_link "${DEST}" "${VERSION}"
+set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"