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--!The Make-like download 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 - 2018, TBOOX Open Source Group.
--
-- @author ruki
-- @file download.lua
--
-- imports
import("core.base.option")
import(".utils.filter")
import("net.http")
import("devel.git")
import("utils.archive")
-- empty chars
function _emptychars()
-- get left width
local width = os.getwinsize()["width"] or 64
-- make empty chars
local emptychars = ""
for i = 1, width do
emptychars = emptychars .. " "
end
return emptychars
end
-- checkout codes from git
function _checkout(package, url, sourcedir)
-- use previous source directory if exists
local packagedir = path.join(sourcedir, package:name())
if os.isdir(packagedir) and not option.get("force") then
-- clean the previous build files
git.clean({repodir = packagedir, force = true})
return
end
-- remove temporary directory
os.rm(sourcedir .. ".tmp")
-- download package from branches?
packagedir = path.join(sourcedir .. ".tmp", package:name())
if package:version_from("branches") then
-- only shadow clone this branch
git.clone(url, {depth = 1, branch = package:version_str(), outputdir = packagedir})
-- download package from tags or versions?
else
-- clone whole history and tags
git.clone(url, {outputdir = packagedir})
-- attempt to checkout the given version
git.checkout(package:version_str(), {repodir = packagedir})
end
-- move to source directory
os.rm(sourcedir)
os.mv(sourcedir .. ".tmp", sourcedir)
-- trace
printf("\r" .. _emptychars())
cprint("\r${yellow} => ${clear}clone %s %s .. ${green}ok", url, package:version_str())
end
-- download codes from ftp/http/https
function _download(package, url, sourcedir, url_alias, url_excludes)
-- get package file
local packagefile = path.filename(url)
-- get sha256
local sha256 = package:sha256(url_alias)
assert(sha256, "cannot get sha256 of %s in package(%s)", url, package:name())
-- the package file have been downloaded?
if option.get("force") or not os.isfile(packagefile) or sha256 ~= hash.sha256(packagefile) then
-- attempt to remove package file first
os.rm(packagefile)
-- download package file
http.download(url, packagefile)
-- check hash
if sha256 and sha256 ~= hash.sha256(packagefile) then
raise("unmatched checksum!")
end
end
-- extract package file
os.rm(sourcedir .. ".tmp")
if archive.extract(packagefile, sourcedir .. ".tmp", {excludes = url_excludes}) then
-- move to source directory
os.rm(sourcedir)
os.mv(sourcedir .. ".tmp", sourcedir)
end
-- save original file path
package:originfile_set(path.absolute(packagefile))
-- trace
printf("\r" .. _emptychars())
cprint("\r${yellow} => ${clear}download %s .. ${green}ok", url)
end
-- get sorted urls
function _urls(package)
-- sort urls from the version source
local urls = {{}, {}}
for _, url in ipairs(package:urls()) do
if git.checkurl(url) then
table.insert(urls[1], url)
elseif package:sha256(package:url_alias(url)) then
table.insert(urls[2], url)
end
end
if package:version_from("tags", "branches") then
return table.join(urls[1], urls[2])
else
return table.join(urls[2], urls[1])
end
end
-- download the given package
function main(package)
-- get working directory of this package
local workdir = package:cachedir()
-- ensure the working directory first
os.mkdir(workdir)
-- enter the working directory
local oldir = os.cd(workdir)
-- get urls
local urls = _urls(package)
assert(#urls > 0, "cannot get url of package(%s)", package:name())
-- download package from urls
for idx, url in ipairs(urls) do
-- get url alias
local url_alias = package:url_alias(url)
-- get url excludes
local url_excludes = package:url_excludes(url)
-- filter url
url = filter.handle(url, package)
-- download url
local ok = try
{
function ()
-- download package
local sourcedir = "source"
if git.checkurl(url) then
_checkout(package, url, sourcedir)
else
_download(package, url, sourcedir, url_alias, url_excludes)
end
-- ok
return true
end,
catch
{
function (errors)
-- verbose?
if option.get("verbose") and errors then
cprint("${bright red}error: ${clear}%s", errors)
end
-- trace
printf("\r" .. _emptychars())
if git.checkurl(url) then
cprint("\r${yellow} => ${clear}clone %s %s .. ${red}failed", url, package:version_str())
else
cprint("\r${yellow} => ${clear}download %s .. ${red}failed", url)
end
-- failed? break it
if idx == #urls and not package:requireinfo().optional then
raise("download failed!")
end
end
}
}
-- ok? break it
if ok then break end
end
-- leave working directory
os.cd(oldir)
end
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