==================
WARNING: DATA RACE
Write at 0x00c000510640 by goroutine 149:
  github.com/go-git/go-billy/v5/memfs.(*content).WriteAt()
      /home/levi/go/pkg/mod/github.com/go-git/go-billy/v5@v5.3.1/memfs/storage.go:195 +0x496
  github.com/go-git/go-billy/v5/memfs.(*file).Write()
      /home/levi/go/pkg/mod/github.com/go-git/go-billy/v5@v5.3.1/memfs/memory.go:280 +0xc6
  github.com/go-git/go-billy/v5/helper/chroot.(*file).Write()
      <autogenerated>:1 +0x76
  github.com/go-git/go-git/v5/storage/filesystem/dotgit.(*syncedReader).Write()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/dotgit/writers.go:186 +0x106
  github.com/go-git/go-git/v5/storage/filesystem/dotgit.(*PackWriter).Write()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/dotgit/writers.go:90 +0x65
  io.copyBuffer()
      /usr/local/go/src/io/io.go:429 +0x2de
  io.Copy()
      /usr/local/go/src/io/io.go:386 +0x54c
  github.com/go-git/go-git/v5/storage/test.(*BaseStorageSuite).TestPackfileWriter()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/test/storage_suite.go:161 +0xb9
  github.com/go-git/go-git/v5/storage/transactional.(*StorageSuite).TestPackfileWriter()
      <autogenerated>:1 +0x44
  runtime.call16()
      /usr/local/go/src/runtime/asm_amd64.s:724 +0x48
  reflect.Value.Call()
      /usr/local/go/src/reflect/value.go:368 +0xc7
  gopkg.in/check%2ev1.(*suiteRunner).forkTest.func1()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:775 +0xad4
  gopkg.in/check%2ev1.(*suiteRunner).forkCall.func1()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:669 +0xec

Previous read at 0x00c000510640 by goroutine 151:
  github.com/go-git/go-billy/v5/memfs.(*content).ReadAt()
      /home/levi/go/pkg/mod/github.com/go-git/go-billy/v5@v5.3.1/memfs/storage.go:212 +0x1d1
  github.com/go-git/go-billy/v5/memfs.(*file).ReadAt()
      /home/levi/go/pkg/mod/github.com/go-git/go-billy/v5@v5.3.1/memfs/memory.go:249 +0xd0
  github.com/go-git/go-billy/v5/memfs.(*file).Read()
      /home/levi/go/pkg/mod/github.com/go-git/go-billy/v5@v5.3.1/memfs/memory.go:230 +0x76
  github.com/go-git/go-billy/v5/helper/chroot.(*file).Read()
      <autogenerated>:1 +0x76
  github.com/go-git/go-git/v5/storage/filesystem/dotgit.(*syncedReader).Read()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/dotgit/writers.go:195 +0x152
  bufio.(*Reader).Read()
      /usr/local/go/src/bufio/bufio.go:237 +0x4f2
  github.com/go-git/go-git/v5/plumbing/format/packfile.(*scannerReader).Read()
      /home/levi/go/src/github.com/fluxcd/go-git/plumbing/format/packfile/scanner.go:434 +0x6b
  io.ReadAtLeast()
      /usr/local/go/src/io/io.go:332 +0xdd
  io.ReadFull()
      /usr/local/go/src/io/io.go:351 +0x72
  github.com/go-git/go-git/v5/plumbing/format/packfile.(*Scanner).readSignature()
      /home/levi/go/src/github.com/fluxcd/go-git/plumbing/format/packfile/scanner.go:119 +0x40
  github.com/go-git/go-git/v5/plumbing/format/packfile.(*Scanner).Header()
      /home/levi/go/src/github.com/fluxcd/go-git/plumbing/format/packfile/scanner.go:86 +0x6f
  github.com/go-git/go-git/v5/plumbing/format/packfile.(*Parser).init()
      /home/levi/go/src/github.com/fluxcd/go-git/plumbing/format/packfile/parser.go:161 +0x64
  github.com/go-git/go-git/v5/plumbing/format/packfile.(*Parser).Parse()
      /home/levi/go/src/github.com/fluxcd/go-git/plumbing/format/packfile/parser.go:135 +0x59
  github.com/go-git/go-git/v5/storage/filesystem/dotgit.(*PackWriter).buildIndex()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/dotgit/writers.go:67 +0x48c
  github.com/go-git/go-git/v5/storage/filesystem/dotgit.newPackWrite.func1()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/dotgit/writers.go:53 +0x39

Goroutine 149 (running) created at:
  gopkg.in/check%2ev1.(*suiteRunner).forkCall()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:666 +0x5c4
  gopkg.in/check%2ev1.(*suiteRunner).forkTest()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:757 +0x16b
  gopkg.in/check%2ev1.(*suiteRunner).runTest()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:812 +0x439
  gopkg.in/check%2ev1.(*suiteRunner).run()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:618 +0x3e6
  gopkg.in/check%2ev1.Run()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/run.go:92 +0x49
  gopkg.in/check%2ev1.RunAll()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/run.go:84 +0x127
  gopkg.in/check%2ev1.TestingT()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/run.go:72 +0x57a
  github.com/go-git/go-git/v5/storage/transactional.Test()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/transactional/storage_test.go:17 +0x2e
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:1446 +0x216
  testing.(*T).Run.func1()
      /usr/local/go/src/testing/testing.go:1493 +0x47

Goroutine 151 (running) created at:
  github.com/go-git/go-git/v5/storage/filesystem/dotgit.newPackWrite()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/dotgit/writers.go:53 +0x4fa
  github.com/go-git/go-git/v5/storage/filesystem/dotgit.(*DotGit).NewObjectPack()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/dotgit/dotgit.go:209 +0xc5
  github.com/go-git/go-git/v5/storage/filesystem.(*ObjectStorage).PackfileWriter()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/filesystem/object.go:103 +0x5a
  github.com/go-git/go-git/v5/storage/filesystem.(*Storage).PackfileWriter()
      <autogenerated>:1 +0x3b
  github.com/go-git/go-git/v5/storage/transactional.(*packageWriter).PackfileWriter()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/transactional/storage.go:99 +0x4a
  github.com/go-git/go-git/v5/storage/test.(*BaseStorageSuite).TestPackfileWriter()
      /home/levi/go/src/github.com/fluxcd/go-git/storage/test/storage_suite.go:157 +0xb3
  github.com/go-git/go-git/v5/storage/transactional.(*StorageSuite).TestPackfileWriter()
      <autogenerated>:1 +0x44
  runtime.call16()
      /usr/local/go/src/runtime/asm_amd64.s:724 +0x48
  reflect.Value.Call()
      /usr/local/go/src/reflect/value.go:368 +0xc7
  gopkg.in/check%2ev1.(*suiteRunner).forkTest.func1()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:775 +0xad4
  gopkg.in/check%2ev1.(*suiteRunner).forkCall.func1()
      /home/levi/go/pkg/mod/gopkg.in/check.v1@v1.0.0-20201130134442-10cb98267c6c/check.go:669 +0xec
==================
OK: 56 passed, 11 skipped
--- FAIL: Test (0.08s)
    testing.go:1319: race detected during execution of test
FAIL
FAIL    github.com/go-git/go-git/v5/storage/transactional       0.08