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/*
* Copyright 2018 The Kythe Authors. All rights reserved.
*
* 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.
*/
// Package extutil implements shared code for extracting and writing output
// from Bazel actions to .kzip files. This is a temporary
// measure to support migrating to .kzip output.
package extutil // import "kythe.io/kythe/go/extractors/bazel/extutil"
import (
"context"
"fmt"
"path/filepath"
"kythe.io/kythe/go/extractors/bazel"
)
// ExtractAndWrite extracts a spawn action through c and writes the results to
// the specified output file. The output format is based on the file extension:
//
// .kzip -- writes a kzip file
// otherwise -- reports an error
//
// Deprecated: use bazel.ExtractToKzip
func ExtractAndWrite(ctx context.Context, c *bazel.Config, ai *bazel.ActionInfo, outputPath string) error {
switch ext := filepath.Ext(outputPath); ext {
case ".kzip":
w, err := bazel.NewKZIP(outputPath)
if err != nil {
return fmt.Errorf("creating kzip writer: %v", err)
}
if _, err := c.ExtractToFile(ctx, ai, w); err != nil {
return fmt.Errorf("extracting: %v", err)
}
if err := w.Close(); err != nil {
return fmt.Errorf("closing output: %v", err)
}
default:
return fmt.Errorf("unknown output extension %q", ext)
}
return nil
}
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