move require action modules

1 files changed, 73 insertions, 0 deletions

diff --git a/xmake/modules/private/action/require/impl/environment.lua b/xmake/modules/private/action/require/impl/environment.lua
new file mode 100644
index 000000000..e7832d6a1
--- /dev/null
+++ b/xmake/modules/private/action/require/impl/environment.lua
@@ -0,0 +1,73 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed 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.
+--
+-- Copyright (C) 2015-present, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        environment.lua
+--
+
+-- imports
+import("core.project.config")
+import("core.package.package", {alias = "core_package"})
+import("lib.detect.find_tool")
+import("private.action.require.impl.packagenv")
+import("private.action.require.impl.package")
+
+-- enter environment
+--
+-- ensure that we can find some basic tools: git, unzip, ...
+--
+-- If these tools not exist, we will install it first.
+--
+function enter()
+
+    -- unzip or 7zip is necessary
+    if not find_tool("unzip") and not find_tool("7z") then
+        raise("unzip or 7zip not found! we need install it first")
+    end
+
+    -- enter the environments of git
+    packagenv.enter("git")
+
+    -- git not found? install it first
+    local packages = {}
+    if not find_tool("git") then
+        table.join2(packages, package.install_packages("git"))
+    end
+
+    -- missing the necessary unarchivers for *.gz, *.7z? install them first, e.g. gzip, 7z, tar ..
+    if not ((find_tool("gzip") and find_tool("tar")) or find_tool("7z")) then
+        table.join2(packages, package.install_packages("7z"))
+    end
+
+    -- enter the environments of installed packages
+    for _, instance in ipairs(packages) do
+        instance:envs_enter()
+    end
+    _g._PACKAGES = packages
+end
+
+-- leave environment
+function leave()
+
+    -- leave the environments of installed packages
+    for _, instance in irpairs(_g._PACKAGES) do
+        instance:envs_leave()
+    end
+    _g._PACKAGES = nil
+
+    -- leave the environments of git
+    packagenv.leave("git")
+end