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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 patch_sources.lua
--
-- imports
import("core.base.option")
import("net.http")
import("net.proxy")
import("devel.git")
-- check sha256
function _check_sha256(patch_hash, patch_file)
local ok = (patch_hash == hash.sha256(patch_file))
if not ok and is_host("windows") then
-- `git pull` maybe will replace lf to crlf in the patch text automatically on windows.
-- so we need attempt to fix this sha256
--
-- @see
-- https://github.com/xmake-io/xmake-repo/pull/67
-- https://stackoverflow.com/questions/1967370/git-replacing-lf-with-crlf
--
local tmpfile = os.tmpfile(patch_file)
os.cp(patch_file, tmpfile)
local content = io.readfile(tmpfile, {encoding = "binary"})
content = content:gsub('\r\n', '\n')
io.writefile(tmpfile, content, {encoding = "binary"})
ok = (patch_hash == hash.sha256(tmpfile))
os.rm(tmpfile)
end
return ok
end
-- do patch
function _patch(package, patch_url, patch_hash)
-- trace
patch_url = proxy.mirror(patch_url) or patch_url
vprint("patching %s to %s-%s ..", patch_url, package:name(), package:version_str())
-- get the patch file
local patch_file = path.join(os.tmpdir(), "patches", package:name(), package:version_str(), (path.filename(patch_url):gsub("%?.+$", "")))
-- ensure lower hash
if patch_hash then
patch_hash = patch_hash:lower()
end
-- the package file have been downloaded?
local cached = true
if option.get("force") or not os.isfile(patch_file) or not _check_sha256(patch_hash, patch_file) then
-- no cached
cached = false
-- attempt to remove the previous file first
os.tryrm(patch_file)
-- download the patch file
if patch_url:find(string.ipattern("https-://")) or patch_url:find(string.ipattern("ftps-://")) then
http.download(patch_url, patch_file)
else
-- copy the patch file
if os.isfile(patch_url) then
os.cp(patch_url, patch_file)
else
local scriptdir = package:scriptdir()
if scriptdir and os.isfile(path.join(scriptdir, patch_url)) then
os.cp(path.join(scriptdir, patch_url), patch_file)
else
raise("patch(%s): not found!", patch_url)
end
end
end
-- check hash
if patch_hash and not _check_sha256(patch_hash, patch_file) then
raise("patch(%s): unmatched checksum!", patch_url)
end
end
-- apply the patch file
git.apply(patch_file)
end
-- patch the given package
function main(package)
-- we need not patch it if we use the precompiled artifacts to install package
if not package:is_built() then
return
end
-- no patches?
local patches = package:patches()
if not patches then
return
end
-- do all patches
for _, patchinfo in ipairs(patches) do
_patch(package, patchinfo.url, patchinfo.sha256)
end
end
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