Add stainless-cli script (#1486)

.gitignore

@@ -1,5 +1,4 @@
 # Stainless
-/bin/stainless-*
 .stainless-cache/
 .stainless.conf
 stainless.conf

bin/stainless-cli

@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+
+### The following section defines `realpath` to resolve symbolic links.
+###
+### Copyright (c) 2014 Michael Kropat
+### Licensed under the terms of the MIT License (https://opensource.org/licenses/MIT)
+### Original code at https://github.com/mkropat/sh-realpath
+
+realpath() {
+    canonicalize_path "$(resolve_symlinks "$1")"
+}
+
+resolve_symlinks() {
+    _resolve_symlinks "$1"
+}
+
+_resolve_symlinks() {
+    _assert_no_path_cycles "$@" || return
+
+    local dir_context path
+    path=$(readlink -- "$1")
+    if [ $? -eq 0 ]; then
+        dir_context=$(dirname -- "$1")
+        _resolve_symlinks "$(_prepend_dir_context_if_necessary "$dir_context" "$path")" "$@"
+    else
+        printf '%s\n' "$1"
+    fi
+}
+
+_prepend_dir_context_if_necessary() {
+    if [ "$1" = . ]; then
+        printf '%s\n' "$2"
+    else
+        _prepend_path_if_relative "$1" "$2"
+    fi
+}
+
+_prepend_path_if_relative() {
+    case "$2" in
+        /* ) printf '%s\n' "$2" ;;
+         * ) printf '%s\n' "$1/$2" ;;
+    esac
+}
+
+_assert_no_path_cycles() {
+    local target path
+
+    target=$1
+    shift
+
+    for path in "$@"; do
+        if [ "$path" = "$target" ]; then
+            return 1
+        fi
+    done
+}
+
+canonicalize_path() {
+    if [ -d "$1" ]; then
+        _canonicalize_dir_path "$1"
+    else
+        _canonicalize_file_path "$1"
+    fi
+}
+
+_canonicalize_dir_path() {
+    (cd "$1" 2>/dev/null && pwd -P)
+}
+
+_canonicalize_file_path() {
+    local dir file
+    dir=$(dirname -- "$1")
+    file=$(basename -- "$1")
+    (cd "$dir" 2>/dev/null && printf '%s/%s\n' "$(pwd -P)" "$file")
+}
+
+### end of realpath code
+
+BASE_DIR="$( dirname "$( realpath "${BASH_SOURCE[0]}" )" )"
+JARS="$BASE_DIR/lib"
+
+# NOTE: $JAVA_OPTS not quoted, as it may be empty!
+TORUN="scala-cli --jar ${JARS}/stainless-library.jar ${JARS}/stainless-library-sources.jar $@"
+echo $TORUN
+${TORUN}