luamodules/lfs: add luafilesystem module

Signed-off-by: Neo Xu <neo.xu1990@gmail.com>

interpreters/luamodules/lfs/.gitignore

@@ -0,0 +1,2 @@
+lfs/
+*.tar.gz

interpreters/luamodules/lfs/0001-call-symlink-or-link-directly.patch

@@ -0,0 +1,30 @@
+From f84640912e5c3ff37a2b2b4aab011a3e6cfde6a8 Mon Sep 17 00:00:00 2001
+From: Xu Xingliang <xuxingliang@xiaomi.com>
+Date: Mon, 5 Dec 2022 18:58:40 +0800
+Subject: [PATCH] call symlink or link directly.
+
+Signed-off-by: Xu Xingliang <xuxingliang@xiaomi.com>
+---
+ src/lfs.c | 6 ++----
+ 1 file changed, 2 insertions(+), 4 deletions(-)
+
+diff --git a/src/lfs.c b/src/lfs.c
+index e5e5ee4..db6ae18 100644
+--- a/src/lfs.c
++++ b/src/lfs.c
+@@ -566,10 +566,8 @@ static int make_link(lua_State * L)
+   const char *oldpath = luaL_checkstring(L, 1);
+   const char *newpath = luaL_checkstring(L, 2);
+ #ifndef _WIN32
+-  return pushresult(L,
+-                    (lua_toboolean(L, 3) ? symlink : link) (oldpath,
+-                                                            newpath),
+-                    NULL);
++  return pushresult(L, (lua_toboolean(L, 3) ? symlink(oldpath, newpath)\
++                       : link(oldpath, newpath)), NULL);
+ #else
+   int symbolic = lua_toboolean(L, 3);
+   STAT_STRUCT oldpathinfo;
+-- 
+2.25.1
+

interpreters/luamodules/lfs/Kconfig

@@ -0,0 +1,21 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config LUA_LFS_MODULE
+	bool "Lua file system module"
+	default n
+	depends on INTERPRETERS_LUA
+	---help---
+		LUA file system module
+
+if LUA_LFS_MODULE
+
+config LUA_LFS_VERSION
+	string "LFS version"
+	default "1_8_0"
+	---help---
+		Luv release version to fetch and build.
+
+endif # LUA_LFS_MODULE

interpreters/luamodules/lfs/Make.defs

@@ -0,0 +1,24 @@
+############################################################################
+# apps/interpreters/luamodules/lfs/Make.defs
+#
+# 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.
+#
+############################################################################
+
+ifneq ($(CONFIG_LUA_LFS_MODULE),)
+CONFIGURED_APPS += $(APPDIR)/interpreters/luamodules/lfs
+
+endif

interpreters/luamodules/lfs/Makefile

@@ -0,0 +1,63 @@
+############################################################################
+# apps/interpreters/luamodules/lfs/Makefile
+#
+# 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.
+#
+############################################################################
+
+include $(APPDIR)/Make.defs
+
+LFS_VERSION  = $(patsubst "%",%,$(strip $(CONFIG_LUA_LFS_VERSION)))
+LFS_TARBALL  = v$(LFS_VERSION).tar.gz
+LFS_UNPACK   = lfs
+LFS_URL_BASE = https://github.com/lunarmodules/luafilesystem/archive/refs/tags
+LFS_URL      = $(LFS_URL_BASE)/$(LFS_TARBALL)
+LFS_SRC      = $(LFS_UNPACK)$(DELIM)src
+
+VPATH += $(LFS_SRC)
+CSRCS = lfs.c
+
+$(LFS_TARBALL):
+	$(Q) echo "Downloading $(LFS_TARBALL) from $(LFS_URL)"
+	$(Q) curl -O -L $(LFS_URL)
+
+$(LFS_UNPACK): $(LFS_TARBALL)
+	$(Q) echo "Unpacking $(LFS_TARBALL) to $(LFS_UNPACK)"
+	$(Q) tar -xvzf $(LFS_TARBALL)
+	$(Q) mv luafilesystem-$(LFS_VERSION) $(LFS_UNPACK)
+	$(Q) patch -d $(LFS_UNPACK) -p1 < 0001-call-symlink-or-link-directly.patch
+
+$(LFS_UNPACK)/.patch: $(LFS_UNPACK)
+	touch $(LFS_UNPACK)/.patch
+
+# Download and unpack tarball if no git repo found
+ifeq ($(wildcard $(LFS_UNPACK)/.git),)
+distclean::
+	$(call DELDIR, $(LFS_UNPACK))
+	$(call DELFILE, $(LFS_TARBALL))
+
+context:: $(LFS_UNPACK)/.patch
+endif
+
+# Set LUAMODNAME and include Module.mk to add this module to the list of
+# builtin modules for the Lua interpreter. LUAMODNAME should match the
+# module's luaopen function.
+
+LUAMODNAME = lfs
+
+include $(APPDIR)/interpreters/lua/Module.mk
+
+include $(APPDIR)/Application.mk