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e81ccc406bChange all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
108 lines
3.3 KiB
Go
108 lines
3.3 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package pipeline
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import (
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"bufio"
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"bytes"
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"context"
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"fmt"
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"io"
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"strconv"
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"strings"
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"sync"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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)
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// CatFileBatchCheck runs cat-file with --batch-check
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func CatFileBatchCheck(ctx context.Context, shasToCheckReader *io.PipeReader, catFileCheckWriter *io.PipeWriter, wg *sync.WaitGroup, tmpBasePath string) {
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defer wg.Done()
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defer shasToCheckReader.Close()
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defer catFileCheckWriter.Close()
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stderr := new(bytes.Buffer)
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var errbuf strings.Builder
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cmd := git.NewCommand(ctx, "cat-file", "--batch-check")
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if err := cmd.Run(&git.RunOpts{
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Dir: tmpBasePath,
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Stdin: shasToCheckReader,
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Stdout: catFileCheckWriter,
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Stderr: stderr,
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}); err != nil {
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_ = catFileCheckWriter.CloseWithError(fmt.Errorf("git cat-file --batch-check [%s]: %w - %s", tmpBasePath, err, errbuf.String()))
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}
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}
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// CatFileBatchCheckAllObjects runs cat-file with --batch-check --batch-all
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func CatFileBatchCheckAllObjects(ctx context.Context, catFileCheckWriter *io.PipeWriter, wg *sync.WaitGroup, tmpBasePath string, errChan chan<- error) {
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defer wg.Done()
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defer catFileCheckWriter.Close()
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stderr := new(bytes.Buffer)
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var errbuf strings.Builder
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cmd := git.NewCommand(ctx, "cat-file", "--batch-check", "--batch-all-objects")
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if err := cmd.Run(&git.RunOpts{
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Dir: tmpBasePath,
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Stdout: catFileCheckWriter,
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Stderr: stderr,
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}); err != nil {
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log.Error("git cat-file --batch-check --batch-all-object [%s]: %v - %s", tmpBasePath, err, errbuf.String())
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err = fmt.Errorf("git cat-file --batch-check --batch-all-object [%s]: %w - %s", tmpBasePath, err, errbuf.String())
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_ = catFileCheckWriter.CloseWithError(err)
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errChan <- err
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}
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}
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// CatFileBatch runs cat-file --batch
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func CatFileBatch(ctx context.Context, shasToBatchReader *io.PipeReader, catFileBatchWriter *io.PipeWriter, wg *sync.WaitGroup, tmpBasePath string) {
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defer wg.Done()
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defer shasToBatchReader.Close()
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defer catFileBatchWriter.Close()
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stderr := new(bytes.Buffer)
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var errbuf strings.Builder
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if err := git.NewCommand(ctx, "cat-file", "--batch").Run(&git.RunOpts{
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Dir: tmpBasePath,
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Stdout: catFileBatchWriter,
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Stdin: shasToBatchReader,
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Stderr: stderr,
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}); err != nil {
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_ = shasToBatchReader.CloseWithError(fmt.Errorf("git rev-list [%s]: %w - %s", tmpBasePath, err, errbuf.String()))
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}
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}
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// BlobsLessThan1024FromCatFileBatchCheck reads a pipeline from cat-file --batch-check and returns the blobs <1024 in size
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func BlobsLessThan1024FromCatFileBatchCheck(catFileCheckReader *io.PipeReader, shasToBatchWriter *io.PipeWriter, wg *sync.WaitGroup) {
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defer wg.Done()
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defer catFileCheckReader.Close()
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scanner := bufio.NewScanner(catFileCheckReader)
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defer func() {
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_ = shasToBatchWriter.CloseWithError(scanner.Err())
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}()
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for scanner.Scan() {
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line := scanner.Text()
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if len(line) == 0 {
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continue
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}
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fields := strings.Split(line, " ")
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if len(fields) < 3 || fields[1] != "blob" {
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continue
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}
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size, _ := strconv.Atoi(fields[2])
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if size > 1024 {
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continue
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}
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toWrite := []byte(fields[0] + "\n")
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for len(toWrite) > 0 {
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n, err := shasToBatchWriter.Write(toWrite)
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if err != nil {
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_ = catFileCheckReader.CloseWithError(err)
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break
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}
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toWrite = toWrite[n:]
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}
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}
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}
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