Add install ripgrep script

ripgrep/.local/bin/install-ripgrep

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+
+function get_os () {
+    case $(uname -s) in
+        Linux*)     echo unknown-linux-musl;;
+        Darwin*)    echo apple-darwin;;
+        *)          >&2 echo "unsupported os: $(uname -s)"; exit 1;;
+    esac
+}
+
+function set_link () {
+    TARGET="$1"
+    APP_DIR="$2"
+    APP_PATH="$3"
+
+    pushd "$(dirname "${TARGET}")" || exit 1
+    unlink_if_set "${TARGET}"
+    REL_PATH=$(relative_path "$(dirname "${TARGET}")" "${APP_DIR}/current/${APP_PATH}")
+    ln -s "${REL_PATH}" "$(basename "${TARGET}")"
+    popd || exit 1
+}
+
+APP=rg
+VERSION=${VERSION:-13.0.0}
+DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
+URL=https://github.com/BurntSushi/ripgrep/releases/download/${VERSION}/ripgrep-${VERSION}-$(uname -m)-$(get_os).tar.gz
+
+extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-component 1"
+set_current_link "${DEST}" "${VERSION}"
+
+set_link "${XDG_BIN_HOME}/rg" "${DEST}" rg
+set_link "${MAN_DIR}/rg.1" "${DEST}" rg.1
+set_link "${XDG_CONFIG_HOME}/bash/bashrc.d/ripgrep.sh" "${DEST}" complete/rg.bash
+set_link "${XDG_CONFIG_HOME}/fish/functions/ripgrep.fish" "${DEST}" complete/rg.fish