5cb0c9aa0d
This PR continues the work in #17125 by progressively ensuring that git commands run within the request context. This now means that the if there is a git repo already open in the context it will be used instead of reopening it. Signed-off-by: Andrew Thornton <art27@cantab.net>
77 lines
2.4 KiB
Go
77 lines
2.4 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package pipeline
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"strings"
|
|
"sync"
|
|
|
|
"code.gitea.io/gitea/modules/git"
|
|
"code.gitea.io/gitea/modules/log"
|
|
)
|
|
|
|
// RevListAllObjects runs rev-list --objects --all and writes to a pipewriter
|
|
func RevListAllObjects(ctx context.Context, revListWriter *io.PipeWriter, wg *sync.WaitGroup, basePath string, errChan chan<- error) {
|
|
defer wg.Done()
|
|
defer revListWriter.Close()
|
|
|
|
stderr := new(bytes.Buffer)
|
|
var errbuf strings.Builder
|
|
cmd := git.NewCommandContext(ctx, "rev-list", "--objects", "--all")
|
|
if err := cmd.RunInDirPipeline(basePath, revListWriter, stderr); err != nil {
|
|
log.Error("git rev-list --objects --all [%s]: %v - %s", basePath, err, errbuf.String())
|
|
err = fmt.Errorf("git rev-list --objects --all [%s]: %v - %s", basePath, err, errbuf.String())
|
|
_ = revListWriter.CloseWithError(err)
|
|
errChan <- err
|
|
}
|
|
}
|
|
|
|
// RevListObjects run rev-list --objects from headSHA to baseSHA
|
|
func RevListObjects(ctx context.Context, revListWriter *io.PipeWriter, wg *sync.WaitGroup, tmpBasePath, headSHA, baseSHA string, errChan chan<- error) {
|
|
defer wg.Done()
|
|
defer revListWriter.Close()
|
|
stderr := new(bytes.Buffer)
|
|
var errbuf strings.Builder
|
|
cmd := git.NewCommandContext(ctx, "rev-list", "--objects", headSHA, "--not", baseSHA)
|
|
if err := cmd.RunInDirPipeline(tmpBasePath, revListWriter, stderr); err != nil {
|
|
log.Error("git rev-list [%s]: %v - %s", tmpBasePath, err, errbuf.String())
|
|
errChan <- fmt.Errorf("git rev-list [%s]: %v - %s", tmpBasePath, err, errbuf.String())
|
|
}
|
|
}
|
|
|
|
// BlobsFromRevListObjects reads a RevListAllObjects and only selects blobs
|
|
func BlobsFromRevListObjects(revListReader *io.PipeReader, shasToCheckWriter *io.PipeWriter, wg *sync.WaitGroup) {
|
|
defer wg.Done()
|
|
defer revListReader.Close()
|
|
scanner := bufio.NewScanner(revListReader)
|
|
defer func() {
|
|
_ = shasToCheckWriter.CloseWithError(scanner.Err())
|
|
}()
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
if len(line) == 0 {
|
|
continue
|
|
}
|
|
fields := strings.Split(line, " ")
|
|
if len(fields) < 2 || len(fields[1]) == 0 {
|
|
continue
|
|
}
|
|
toWrite := []byte(fields[0] + "\n")
|
|
for len(toWrite) > 0 {
|
|
n, err := shasToCheckWriter.Write(toWrite)
|
|
if err != nil {
|
|
_ = revListReader.CloseWithError(err)
|
|
break
|
|
}
|
|
toWrite = toWrite[n:]
|
|
}
|
|
}
|
|
}
|