Adrien Delorme 9f82b75e57 Use the hashicorp/go-getter to download files
* removed packer.Cache and references since packer.Cache is never used except in the download step. The download step now uses the new func packer.CachePath(targetPath) for this, the behavior is the same.
* removed download code from packer that was reimplemented into the go-getter library: progress bar, http download restart, checksuming from file, skip already downloaded files, symlinking, make a download cancellable by context.
* on windows if packer is running without symlinking rights and we are getting a local file, the file will be copied instead to avoid errors.
* added unit tests for step_download that are now CI tested on windows, mac & linux.
* files are now downloaded under cache dir `sha1(filename + "?checksum=" + checksum) + file_extension`
* since the output dir is based on the source url and the checksum, when the checksum fails, the file is auto deleted.
* a download file is protected and locked by a file lock,
* updated docs
* updated go modules and vendors
2019-03-13 12:11:58 +01:00

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Go

/*
*
* Copyright 2018 gRPC authors.
*
* 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.
*
*/
// This file contains exported variables/functions that are exported for testing
// only.
//
// An ideal way for this would be to put those in a *_test.go but in binarylog
// package. But this doesn't work with staticcheck with go module. Error was:
// "MdToMetadataProto not declared by package binarylog". This could be caused
// by the way staticcheck looks for files for a certain package, which doesn't
// support *_test.go files.
//
// Move those to binary_test.go when staticcheck is fixed.
package binarylog
var (
// AllLogger is a logger that logs all headers/messages for all RPCs. It's
// for testing only.
AllLogger = NewLoggerFromConfigString("*")
// MdToMetadataProto converts metadata to a binary logging proto message.
// It's for testing only.
MdToMetadataProto = mdToMetadataProto
// AddrToProto converts an address to a binary logging proto message. It's
// for testing only.
AddrToProto = addrToProto
)