--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scala/fs2json/amm	Tue Dec 15 09:22:21 2020 +0100
@@ -0,0 +1,31 @@
+#!/usr/bin/env sh
+
+# This is a wrapper script, that automatically download ammonite from GitHub release pages
+# You can give the required mill version with AMM_VERSION env variable
+# If no version is given, it falls back to the value of DEFAULT_AMM_VERSION
+DEFAULT_AMM_VERSION=2.3.8
+
+set -e
+
+if [ -z "$AMM_VERSION" ] ; then
+  AMM_VERSION=$DEFAULT_AMM_VERSION
+fi
+
+AMM_DOWNLOAD_PATH="$HOME/.ammonite/download"
+AMM_EXEC_PATH="${AMM_DOWNLOAD_PATH}/$AMM_VERSION"
+
+if [ ! -x "$AMM_EXEC_PATH" ] ; then
+  mkdir -p $AMM_DOWNLOAD_PATH
+  DOWNLOAD_FILE=$AMM_EXEC_PATH-tmp-download
+  AMM_DOWNLOAD_URL="https://github.com/lihaoyi/ammonite/releases/download/${AMM_VERSION%%-*}/2.13-$AMM_VERSION"
+  curl --fail -L -o "$DOWNLOAD_FILE" "$AMM_DOWNLOAD_URL"
+  chmod +x "$DOWNLOAD_FILE"
+  mv "$DOWNLOAD_FILE" "$AMM_EXEC_PATH"
+  unset DOWNLOAD_FILE
+  unset AMM_DOWNLOAD_URL
+fi
+
+unset AMM_DOWNLOAD_PATH
+unset AMM_VERSION
+
+exec $AMM_EXEC_PATH "$@"