core: Install bat/delta

install_bat.bash

@@ -0,0 +1,11 @@
+BAT_VER=v0.15.4
+install_bat() {
+	if [ "$(uname -s)" == 'Darwin' ]; then
+		bat_PATH=bat-${BAT_VER}-x86_64-apple-darwin
+	elif [ "$(uname -s)" == 'Linux' ] ; then
+		bat_PATH=bat-${BAT_VER}-x86_64-unknown-linux-gnu
+	fi
+	bat_URL=https://github.com/sharkdp/bat/releases/download/${BAT_VER}/${bat_PATH}.tar.gz
+	echo "Installing bat $bat_PATH"
+	((curl -L ${bat_URL} | tar xzf - "${bat_PATH}/bat") && mv ${bat_PATH}/bat $BASE/bin/bat-${BAT_VER} && ln -sf $BASE/bin/bat-${BAT_VER} $BASE/bin/bat && rm -r ${bat_PATH}) || exit 1
+}