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--!The Make-like download 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) 2015-2020, 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")
-- checkout codes from git
function _checkout(package, url, sourcedir, url_alias)
-- use previous source directory if exists
local packagedir = path.join(sourcedir, package:name())
if os.isdir(packagedir) and
not (option.get("force") and package:branch()) then -- we need disable cache if we force to clone from the given branch
-- clean the previous build files
git.clean({repodir = packagedir, force = true})
utils.clearline()
return
end
-- remove temporary directory
os.rm(sourcedir .. ".tmp")
-- download package from branches?
packagedir = path.join(sourcedir .. ".tmp", package:name())
if package:branch() then
-- only shadow clone this branch
git.clone(url, {depth = 1, recursive = true, branch = package:branch(), outputdir = packagedir})
-- download package from revision or tag?
else
-- clone whole history and tags
git.clone(url, {outputdir = packagedir, recursive = true})
-- attempt to checkout the given version
git.checkout(package:revision(url_alias) or package:tag(), {repodir = packagedir})
end
-- move to source directory
os.rm(sourcedir)
os.mv(sourcedir .. ".tmp", sourcedir)
-- trace
utils.clearline()
cprint("${yellow} => ${clear}clone %s %s .. ${color.success}${text.success}", 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 = package:name() .. "-" .. package:version_str() .. archive.extension(url)
-- get sourcehash
local sourcehash = package:sourcehash(url_alias)
assert(sourcehash, "cannot get source hash of %s in package(%s)", url, package:name())
-- the package file have been downloaded?
local cached = true
if not os.isfile(packagefile) or sourcehash ~= hash.sha256(packagefile) then
-- no cached
cached = false
-- attempt to remove package file first
os.tryrm(packagefile)
-- download or copy package file
if os.isfile(url) then
os.cp(url, packagefile)
else
http.download(url, packagefile)
end
-- check hash
if sourcehash and sourcehash ~= 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)
else
-- create an empty source directory if do not extract package file
os.tryrm(sourcedir)
os.mkdir(sourcedir)
end
-- save original file path
package:originfile_set(path.absolute(packagefile))
-- trace
utils.clearline()
if not cached then
cprint("${yellow} => ${clear}download %s .. ${color.success}${text.success}", url)
end
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:sourcehash(package:url_alias(url)) then
table.insert(urls[2], url)
end
end
if package:gitref() 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)
-- lock this package
package:lock()
-- get urls
local urls = _urls(package)
assert(#urls > 0, "cannot get url of package(%s)", package:name())
-- download package from urls
local ok = false
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
ok = try
{
function ()
-- download package
local sourcedir = "source"
if git.checkurl(url) then
_checkout(package, url, sourcedir, url_alias)
else
_download(package, url, sourcedir, url_alias, url_excludes)
end
-- ok
return true
end,
catch
{
function (errors)
-- show or save the last errors
if errors and (option.get("verbose") or option.get("diagnosis")) then
cprint("${dim color.error}error: ${clear}%s", errors)
end
-- trace
utils.clearline()
if git.checkurl(url) then
cprint("${yellow} => ${clear}clone %s %s .. ${color.failure}${text.failure}", url, package:version_str())
else
cprint("${yellow} => ${clear}download %s .. ${color.failure}${text.failure}", url)
end
-- failed? break it
if idx == #urls and not package:optional() then
raise("download failed!")
end
end
}
}
-- ok? break it
if ok then break end
end
-- unlock this package
package:unlock()
-- leave working directory
os.cd(oldir)
return ok
end
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