Add install dust script

install-scripts/.local/bin/install-dust

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+
+function get_os () {
+    case $(uname -s) in
+        Linux*)     echo unknown-linux-gnu;;
+        Darwin*)    echo apple-darwin;;
+        *)          >&2 echo "unsupported os: $(uname -s)"; exit 1;;
+    esac
+}
+
+APP=dust
+VERSION=${VERSION:-0.6.0}
+DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
+URL="https://github.com/bootandy/dust/releases/download/v${VERSION}/dust-v${VERSION}-$(uname -m)-$(get_os).tar.gz"
+
+extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-component 1"
+set_current_link "${DEST}" "${VERSION}"
+
+cd "$XDG_BIN_HOME" || exit 1
+unlink_if_set "$XDG_BIN_HOME/${APP}"
+ln -s "$(relative_path "${XDG_BIN_HOME}" "${DEST}/current/${APP}")" ${APP}
+cd - >/dev/null || exit 1