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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package fake
import (
"fmt"
"golang.org/x/tools/internal/proxydir"
)
// WriteProxy creates a new proxy file tree using the txtar-encoded content,
// and returns its URL.
func WriteProxy(tmpdir string, files map[string][]byte) (string, error) {
type moduleVersion struct {
modulePath, version string
}
// Transform into the format expected by the proxydir package.
filesByModule := make(map[moduleVersion]map[string][]byte)
for name, data := range files {
modulePath, version, suffix := splitModuleVersionPath(name)
mv := moduleVersion{modulePath, version}
if _, ok := filesByModule[mv]; !ok {
filesByModule[mv] = make(map[string][]byte)
}
filesByModule[mv][suffix] = data
}
for mv, files := range filesByModule {
if err := proxydir.WriteModuleVersion(tmpdir, mv.modulePath, mv.version, files); err != nil {
return "", fmt.Errorf("error writing %s@%s: %v", mv.modulePath, mv.version, err)
}
}
return proxydir.ToURL(tmpdir), nil
}
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