fix: use a shell script to write the CLI

Signed-off-by: fukiki <one.fhh@163.com>

Makefile

@@ -23,7 +23,6 @@ INSTALL ?= install
 UNAME ?= $(shell uname)
 OR_EXEC ?= $(shell which openresty)
 LUAROCKS_VER ?= $(shell luarocks --version | grep -E -o  "luarocks [0-9]+.")
-LUA_VER ?= $(shell lua -v 2>&1 | grep -E -o  "Lua [0-9]+.[0-9]+")
 
 SHELL := /bin/bash -o pipefail
 
@@ -57,9 +56,6 @@ ifeq ($(LUAROCKS_VER),luarocks 3.)
 else
 	luarocks install rockspec/apisix-master-0.rockspec --tree=deps --only-deps --local
 endif
-ifneq ($(LUA_VER),Lua 5.1)
-	sed -i '' -e "s|#!/usr/bin/env lua|#!/usr/bin/env $(LUAJIT_DIR)/bin/luajit|g" ./bin/apisix
-endif
 
 
 ### utils:            Installation tools

apisix/cli/apisix.lua

@@ -0,0 +1,34 @@
+--
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+
+local pkg_cpath_org = package.cpath
+local pkg_path_org = package.path
+
+local apisix_home = "/usr/local/apisix"
+local pkg_cpath = apisix_home .. "/deps/lib64/lua/5.1/?.so;"
+                  .. apisix_home .. "/deps/lib/lua/5.1/?.so;;"
+local pkg_path = apisix_home .. "/deps/share/lua/5.1/?.lua;;"
+
+-- modify the load path to load our dependencies
+package.cpath = pkg_cpath .. pkg_cpath_org
+package.path  = pkg_path .. pkg_path_org
+
+-- pass path to construct the final result
+local env = require("apisix.cli.env")(apisix_home, pkg_cpath_org, pkg_path_org)
+local ops = require("apisix.cli.ops")
+
+ops.execute(env, arg)

bin/apisix

@@ -1,36 +1,41 @@
-#!/usr/bin/env lua
+#!/bin/bash
 
---
--- Licensed to the Apache Software Foundation (ASF) under one or more
--- contributor license agreements.  See the NOTICE file distributed with
--- this work for additional information regarding copyright ownership.
--- The ASF licenses this file to You under the Apache License, Version 2.0
--- (the "License"); you may not use this file except in compliance with
--- the License.  You may obtain a copy of the License at
---
---     http://www.apache.org/licenses/LICENSE-2.0
---
--- Unless required by applicable law or agreed to in writing, software
--- distributed under the License is distributed on an "AS IS" BASIS,
--- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--- See the License for the specific language governing permissions and
--- limitations under the License.
---
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 
-local pkg_cpath_org = package.cpath
-local pkg_path_org = package.path
+USE_LUA=true
+LUA_VERSION=$(lua -v 2>&1 | grep -E -o  "Lua [0-9]+.[0-9]+")
 
-local apisix_home = "/usr/local/apisix"
-local pkg_cpath = apisix_home .. "/deps/lib64/lua/5.1/?.so;"
-                  .. apisix_home .. "/deps/lib/lua/5.1/?.so;;"
-local pkg_path = apisix_home .. "/deps/share/lua/5.1/?.lua;;"
+if [ -s './apisix/cli/apisix.lua' ]; then
+    APISIX_LUA=./apisix/cli/apisix.lua
+else
+    APISIX_LUA=/usr/share/lua/5.1/apisix/cli/apisix.lua
+fi
 
--- modify the load path to load our dependencies
-package.cpath = pkg_cpath .. pkg_cpath_org
-package.path  = pkg_path .. pkg_path_org
+if [[ "$LUA_VERSION" =~ "Lua 5.1" && $USE_LUA ]]; then
+    # use lua of OS
+    lua $APISIX_LUA $*
+else
+    # find the openresty
+    OR_EXEC=$(which openresty)
 
--- pass path to construct the final result
-local env = require("apisix.cli.env")(apisix_home, pkg_cpath_org, pkg_path_org)
-local ops = require("apisix.cli.ops")
+    # find the luajit binary of openresty
+    LUAJIT_BIN=$(${OR_EXEC} -V 2>&1 | grep prefix | grep -Eo 'prefix=(.*)/nginx\s+--' | grep -Eo '/.*/')luajit/bin/luajit
 
-ops.execute(env, arg)
+    # use the luajit of openresty
+    $LUAJIT_BIN $APISIX_LUA $*
+fi