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Make cancel from CatFileBatch and CatFileBatchCheck wait for the command to end (#16479)

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Fix #16427 (again!)

* handle sharing violation error code

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
zeripath
2021-07-20 18:23:01 +01:00
committed by GitHub
parent b26c3b482f
commit 97381aad5d
2 changed files with 34 additions and 2 deletions
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15
modules/git/batch_reader.go
View File

@@ -7,6 +7,7 @@ package git
import (
"bufio"
"bytes"
"context"
"io"
"math"
"strconv"
@@ -28,16 +29,20 @@ type WriteCloserError interface {
func CatFileBatchCheck(repoPath string) (WriteCloserError, *bufio.Reader, func()) {
batchStdinReader, batchStdinWriter := io.Pipe()
batchStdoutReader, batchStdoutWriter := io.Pipe()
ctx, ctxCancel := context.WithCancel(DefaultContext)
closed := make(chan struct{})
cancel := func() {
_ = batchStdinReader.Close()
_ = batchStdinWriter.Close()
_ = batchStdoutReader.Close()
_ = batchStdoutWriter.Close()
ctxCancel()
<-closed
}
go func() {
stderr := strings.Builder{}
err := NewCommand("cat-file", "--batch-check").RunInDirFullPipeline(repoPath, batchStdoutWriter, &stderr, batchStdinReader)
err := NewCommandContext(ctx, "cat-file", "--batch-check").RunInDirFullPipeline(repoPath, batchStdoutWriter, &stderr, batchStdinReader)
if err != nil {
_ = batchStdoutWriter.CloseWithError(ConcatenateError(err, (&stderr).String()))
_ = batchStdinReader.CloseWithError(ConcatenateError(err, (&stderr).String()))
@@ -45,6 +50,7 @@ func CatFileBatchCheck(repoPath string) (WriteCloserError, *bufio.Reader, func()
_ = batchStdoutWriter.Close()
_ = batchStdinReader.Close()
}
close(closed)
}()
// For simplicities sake we'll use a buffered reader to read from the cat-file --batch-check
@@ -59,16 +65,20 @@ func CatFileBatch(repoPath string) (WriteCloserError, *bufio.Reader, func()) {
// so let's create a batch stdin and stdout
batchStdinReader, batchStdinWriter := io.Pipe()
batchStdoutReader, batchStdoutWriter := nio.Pipe(buffer.New(32 * 1024))
ctx, ctxCancel := context.WithCancel(DefaultContext)
closed := make(chan struct{})
cancel := func() {
_ = batchStdinReader.Close()
_ = batchStdinWriter.Close()
_ = batchStdoutReader.Close()
_ = batchStdoutWriter.Close()
ctxCancel()
<-closed
}
go func() {
stderr := strings.Builder{}
err := NewCommand("cat-file", "--batch").RunInDirFullPipeline(repoPath, batchStdoutWriter, &stderr, batchStdinReader)
err := NewCommandContext(ctx, "cat-file", "--batch").RunInDirFullPipeline(repoPath, batchStdoutWriter, &stderr, batchStdinReader)
if err != nil {
_ = batchStdoutWriter.CloseWithError(ConcatenateError(err, (&stderr).String()))
_ = batchStdinReader.CloseWithError(ConcatenateError(err, (&stderr).String()))
@@ -76,6 +86,7 @@ func CatFileBatch(repoPath string) (WriteCloserError, *bufio.Reader, func()) {
_ = batchStdoutWriter.Close()
_ = batchStdinReader.Close()
}
close(closed)
}()
// For simplicities sake we'll us a buffered reader to read from the cat-file --batch