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forgejo/modules/git/pipeline/revlist.go
zeripath 5e6a008fba
Add basic repository lfs management (#7199)
This PR adds basic repository LFS management UI including the ability to find all possible pointers within the repository. Locks are not managed at present but would be addable through some simple additions.

* Add basic repository lfs management
* add auto-associate function
* Add functionality to find commits with this lfs file
* Add link to find commits on the lfs file view
* Adjust commit view to state the likely branch causing the commit
* Only read Oid from database
2019-10-28 18:31:55 +00:00

75 lines
2.3 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"
"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(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.NewCommand("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(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.NewCommand("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:]
}
}
}