Update lf install script

lf/.local/bin/install-lf-home

@@ -5,17 +5,11 @@ set -e
 # shellcheck disable=SC1090
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
+APP=lf
 VERSION=${VERSION:-r24}
-DEST="${XDG_DATA_HOME}/apps/releases/lf"
+DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
 URL=https://github.com/gokcehan/lf/releases/download/${VERSION}/lf-$(get_os)-$(get_arch).tar.gz
 
 extract_tarball "${URL}" "${DEST}/${VERSION}"
 set_current_link "${DEST}" "${VERSION}"
-
-if [[ -L "$XDG_BIN_HOME/lf" ]]; then
-    unlink "$XDG_BIN_HOME/lf"
-fi
-
-cd "$XDG_BIN_HOME"
-REL_LINK="$(relative_path "${XDG_BIN_HOME}" "${DEST}/current/lf")"
-ln --symbolic "${REL_LINK}" lf
+set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"