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--!The Make-like Build Utility based on Lua
--
-- 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.
--
-- Copyright (C) 2015 - 2017, TBOOX Open Source Group.
--
-- @author ruki
-- @file download.lua
--
-- imports
import("core.base.option")
import("detect.tools.find_curl")
import("detect.tools.find_wget")
-- download url using curl
function _curl_download(program, url, outputfile)
-- set basic arguments
local argv = {}
if option.get("verbose") then
table.insert(argv, "-SL")
else
table.insert(argv, "-fsSL")
end
-- set url
table.insert(argv, url)
-- ensure output directory
local outputdir = path.directory(outputfile)
if not os.isdir(outputdir) then
os.mkdir(outputdir)
end
-- set outputfile
table.insert(argv, "-o")
table.insert(argv, outputfile)
-- clone it
os.vrunv(program, argv)
end
-- download url using wget
function _wget_download(program, url, outputfile)
-- ensure output directory
local argv = {url}
local outputdir = path.directory(outputfile)
if not os.isdir(outputdir) then
os.mkdir(outputdir)
end
-- set outputfile
table.insert(argv, "-O")
table.insert(argv, outputfile)
-- clone it
os.vrunv(program, argv)
end
-- download url
--
-- @param url the input url
-- @param outputfile the output file
--
--
function main(url, outputfile)
-- init output file
outputfile = outputfile or path.filename(url)
-- attempt to download url using curl first
local program = find_curl()
if program then
return _curl_download(program, url, outputfile)
end
-- download url using wget
program = find_wget()
if program then
return _wget_download(program, url, outputfile)
end
end
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