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--!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.packagenv")
import("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
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