*: upgrade to go-billy.v3, merge

appveyor.yml

@@ -11,10 +11,9 @@ environment:
   GOPATH: c:\gopath
 
 install:
-  - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%
+  - set PATH=%GOPATH%\bin;c:\go\bin;"C:\Program Files\Git\mingw64\bin";%PATH%
   - go version
   - go get -v -t ./...
-
   - git config --global user.email "[email protected]"
   - git config --global user.name "Travis CI
 

common_test.go

@@ -11,8 +11,8 @@ import (
 
 	"github.com/src-d/go-git-fixtures"
 	. "gopkg.in/check.v1"
-	"gopkg.in/src-d/go-billy.v2/memfs"
-	"gopkg.in/src-d/go-billy.v2/osfs"
+	"gopkg.in/src-d/go-billy.v3/memfs"
+	"gopkg.in/src-d/go-billy.v3/osfs"
 )
 
 func Test(t *testing.T) { TestingT(t) }
@@ -42,7 +42,7 @@ func (s *BaseSuite) buildBasicRepository(c *C) {
 }
 
 func (s *BaseSuite) NewRepository(f *fixtures.Fixture) *Repository {
-	fs := osfs.New(f.DotGit().Base())
+	fs := osfs.New(f.DotGit().Root())
 	st, err := filesystem.NewStorage(fs)
 	if err != nil {
 		panic(err)
@@ -94,7 +94,7 @@ func (s *BaseSuite) GetBasicLocalRepositoryURL() string {
 }
 
 func (s *BaseSuite) GetLocalRepositoryURL(f *fixtures.Fixture) string {
-	return f.DotGit().Base()
+	return f.DotGit().Root()
 }
 
 type SuiteCommon struct{}

example_test.go

@@ -13,7 +13,7 @@ import (
 	"gopkg.in/src-d/go-git.v4/plumbing"
 	"gopkg.in/src-d/go-git.v4/storage/memory"
 
-	"gopkg.in/src-d/go-billy.v2/memfs"
+	"gopkg.in/src-d/go-billy.v3/memfs"
 )
 
 func ExampleClone() {

plumbing/format/packfile/decoder_test.go

@@ -3,7 +3,7 @@ package packfile_test
 import (
 	"io"
 
-	"gopkg.in/src-d/go-billy.v2/memfs"
+	"gopkg.in/src-d/go-billy.v3/memfs"
 
 	"github.com/src-d/go-git-fixtures"
 	"gopkg.in/src-d/go-git.v4/plumbing"

plumbing/transport/file/receive_pack_test.go

@@ -23,11 +23,11 @@ func (s *ReceivePackSuite) SetUpSuite(c *C) {
 
 func (s *ReceivePackSuite) SetUpTest(c *C) {
 	fixture := fixtures.Basic().One()
-	path := fixture.DotGit().Base()
+	path := fixture.DotGit().Root()
 	s.Endpoint = prepareRepo(c, path)
 
 	fixture = fixtures.ByTag("empty").One()
-	path = fixture.DotGit().Base()
+	path = fixture.DotGit().Root()
 	s.EmptyEndpoint = prepareRepo(c, path)
 
 	s.NonExistentEndpoint = prepareRepo(c, "/non-existent")

plumbing/transport/file/server_test.go

@@ -24,10 +24,10 @@ func (s *ServerSuite) SetUpSuite(c *C) {
 	s.RemoteName = "test"
 
 	fixture := fixtures.Basic().One()
-	s.SrcPath = fixture.DotGit().Base()
+	s.SrcPath = fixture.DotGit().Root()
 
 	fixture = fixtures.ByTag("empty").One()
-	s.DstPath = fixture.DotGit().Base()
+	s.DstPath = fixture.DotGit().Root()
 
 	cmd := exec.Command("git", "remote", "add", s.RemoteName, s.DstPath)
 	cmd.Dir = s.SrcPath

plumbing/transport/file/upload_pack_test.go

@@ -24,13 +24,13 @@ func (s *UploadPackSuite) SetUpSuite(c *C) {
 	s.UploadPackSuite.Client = DefaultClient
 
 	fixture := fixtures.Basic().One()
-	path := fixture.DotGit().Base()
+	path := fixture.DotGit().Root()
 	ep, err := transport.NewEndpoint(path)
 	c.Assert(err, IsNil)
 	s.Endpoint = ep
 
 	fixture = fixtures.ByTag("empty").One()
-	path = fixture.DotGit().Base()
+	path = fixture.DotGit().Root()
 	ep, err = transport.NewEndpoint(path)
 	c.Assert(err, IsNil)
 	s.EmptyEndpoint = ep
@@ -74,6 +74,7 @@ func (s *UploadPackSuite) TestNonExistentCommand(c *C) {
 	cmd := "/non-existent-git"
 	client := NewClient(cmd, cmd)
 	session, err := client.NewUploadPackSession(s.Endpoint, s.EmptyAuth)
-	c.Assert(err, ErrorMatches, ".*no such file or directory.*")
+	// Error message is OS-dependant, so do a broad check
+	c.Assert(err, ErrorMatches, ".*file.*")
 	c.Assert(session, IsNil)
 }

plumbing/transport/git/receive_pack_test.go

@@ -43,7 +43,7 @@ func (s *ReceivePackSuite) SetUpTest(c *C) {
 	err = os.MkdirAll(interpolatedBase, 0755)
 	c.Assert(err, IsNil)
 
-	dotgit := fixtures.Basic().One().DotGit().Base()
+	dotgit := fixtures.Basic().One().DotGit().Root()
 	prepareRepo(c, dotgit)
 	err = os.Rename(dotgit, filepath.Join(interpolatedBase, "basic.git"))
 	c.Assert(err, IsNil)
@@ -52,7 +52,7 @@ func (s *ReceivePackSuite) SetUpTest(c *C) {
 	c.Assert(err, IsNil)
 	s.ReceivePackSuite.Endpoint = ep
 
-	dotgit = fixtures.ByTag("empty").One().DotGit().Base()
+	dotgit = fixtures.ByTag("empty").One().DotGit().Root()
 	prepareRepo(c, dotgit)
 	err = os.Rename(dotgit, filepath.Join(interpolatedBase, "empty.git"))
 	c.Assert(err, IsNil)

plumbing/transport/server/loader.go

@@ -5,8 +5,8 @@ import (
 	"gopkg.in/src-d/go-git.v4/plumbing/transport"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 
-	"gopkg.in/src-d/go-billy.v2"
-	"gopkg.in/src-d/go-billy.v2/osfs"
+	"gopkg.in/src-d/go-billy.v3"
+	"gopkg.in/src-d/go-billy.v3/osfs"
 )
 
 // DefaultLoader is a filesystem loader ignoring host and resolving paths to /.
@@ -34,7 +34,11 @@ func NewFilesystemLoader(base billy.Filesystem) Loader {
 // storer for it. Returns transport.ErrRepositoryNotFound if a repository does
 // not exist in the given path.
 func (l *fsLoader) Load(ep transport.Endpoint) (storer.Storer, error) {
-	fs := l.base.Dir(ep.Path())
+	fs, err := l.base.Chroot(ep.Path())
+	if err != nil {
+		return nil, err
+	}
+
 	if _, err := fs.Stat("config"); err != nil {
 		return nil, transport.ErrRepositoryNotFound
 	}

plumbing/transport/server/server_test.go

@@ -1,7 +1,6 @@
 package server_test
 
 import (
-	"fmt"
 	"testing"
 
 	"github.com/src-d/go-git-fixtures"
@@ -16,8 +15,6 @@ import (
 
 func Test(t *testing.T) { TestingT(t) }
 
-const inprocScheme = "inproc"
-
 type BaseSuite struct {
 	fixtures.Suite
 	loader       server.MapLoader
@@ -29,15 +26,15 @@ func (s *BaseSuite) SetUpSuite(c *C) {
 	s.Suite.SetUpSuite(c)
 	s.loader = server.MapLoader{}
 	s.client = server.NewServer(s.loader)
-	s.clientBackup = client.Protocols[inprocScheme]
-	client.Protocols[inprocScheme] = s.client
+	s.clientBackup = client.Protocols["file"]
+	client.Protocols["file"] = s.client
 }
 
 func (s *BaseSuite) TearDownSuite(c *C) {
 	if s.clientBackup == nil {
-		delete(client.Protocols, inprocScheme)
+		delete(client.Protocols, "file")
 	} else {
-		client.Protocols[inprocScheme] = s.clientBackup
+		client.Protocols["file"] = s.clientBackup
 	}
 }
 
@@ -46,25 +43,22 @@ func (s *BaseSuite) prepareRepositories(c *C, basic *transport.Endpoint,
 
 	f := fixtures.Basic().One()
 	fs := f.DotGit()
-	path := fs.Base()
-	url := fmt.Sprintf("%s://%s", inprocScheme, path)
-	ep, err := transport.NewEndpoint(url)
+	path := fs.Root()
+	ep, err := transport.NewEndpoint(path)
 	c.Assert(err, IsNil)
 	*basic = ep
 	sto, err := filesystem.NewStorage(fs)
 	c.Assert(err, IsNil)
 	s.loader[ep.String()] = sto
 
 	path = "/empty.git"
-	url = fmt.Sprintf("%s://%s", inprocScheme, path)
-	ep, err = transport.NewEndpoint(url)
+	ep, err = transport.NewEndpoint(path)
 	c.Assert(err, IsNil)
 	*empty = ep
 	s.loader[ep.String()] = memory.NewStorage()
 
 	path = "/non-existent.git"
-	url = fmt.Sprintf("%s://%s", inprocScheme, path)
-	ep, err = transport.NewEndpoint(url)
+	ep, err = transport.NewEndpoint(path)
 	c.Assert(err, IsNil)
 	*nonExistent = ep
 }

references_test.go

@@ -292,7 +292,7 @@ func (s *ReferencesSuite) TestObjectNotFoundError(c *C) {
 	h1 := plumbing.NewHash("af2d6a6954d532f8ffb47615169c8fdf9d383a1a")
 	hParent := plumbing.NewHash("1669dce138d9b841a518c64b10914d88f5e488ea")
 
-	url := fixtures.ByURL("https://github.com/git-fixtures/basic.git").One().DotGit().Base()
+	url := fixtures.ByURL("https://github.com/git-fixtures/basic.git").One().DotGit().Root()
 	storer := memory.NewStorage()
 	r, err := Clone(storer, nil, &CloneOptions{
 		URL: url,

remote_test.go

@@ -15,7 +15,7 @@ import (
 	"gopkg.in/src-d/go-git.v4/storage/memory"
 
 	. "gopkg.in/check.v1"
-	"gopkg.in/src-d/go-billy.v2/osfs"
+	"gopkg.in/src-d/go-billy.v3/osfs"
 )
 
 type RemoteSuite struct {
@@ -214,7 +214,7 @@ func (s *RemoteSuite) TestPushToEmptyRepository(c *C) {
 	c.Assert(err, IsNil)
 
 	dstFs := fixtures.ByTag("empty").One().DotGit()
-	url := dstFs.Base()
+	url := dstFs.Root()
 
 	r := newRemote(sto, &config.RemoteConfig{
 		Name: DefaultRemoteName,
@@ -254,7 +254,7 @@ func (s *RemoteSuite) TestPushTags(c *C) {
 	c.Assert(err, IsNil)
 
 	dstFs := fixtures.ByTag("empty").One().DotGit()
-	url := dstFs.Base()
+	url := dstFs.Root()
 
 	r := newRemote(sto, &config.RemoteConfig{
 		Name: DefaultRemoteName,
@@ -297,7 +297,7 @@ func (s *RemoteSuite) TestPushNoErrAlreadyUpToDate(c *C) {
 	f := fixtures.Basic().One()
 	sto, err := filesystem.NewStorage(f.DotGit())
 	c.Assert(err, IsNil)
-	url := f.DotGit().Base()
+	url := f.DotGit().Root()
 	r := newRemote(sto, &config.RemoteConfig{
 		Name: DefaultRemoteName,
 		URL:  url,
@@ -319,7 +319,7 @@ func (s *RemoteSuite) TestPushRejectNonFastForward(c *C) {
 	dstSto, err := filesystem.NewStorage(dstFs)
 	c.Assert(err, IsNil)
 
-	url := dstFs.Base()
+	url := dstFs.Root()
 	r := newRemote(sto, &config.RemoteConfig{
 		Name: DefaultRemoteName,
 		URL:  url,
@@ -348,7 +348,7 @@ func (s *RemoteSuite) TestPushForce(c *C) {
 	dstSto, err := filesystem.NewStorage(dstFs)
 	c.Assert(err, IsNil)
 
-	url := dstFs.Base()
+	url := dstFs.Root()
 	r := newRemote(sto, &config.RemoteConfig{
 		Name: DefaultRemoteName,
 		URL:  url,
@@ -377,7 +377,7 @@ func (s *RemoteSuite) TestPushNewReference(c *C) {
 	dstSto, err := filesystem.NewStorage(dstFs)
 	c.Assert(err, IsNil)
 
-	url := dstFs.Base()
+	url := dstFs.Root()
 	r := newRemote(sto, &config.RemoteConfig{
 		Name: DefaultRemoteName,
 		URL:  url,

repository.go

@@ -17,8 +17,8 @@ import (
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 	"gopkg.in/src-d/go-git.v4/utils/ioutil"
 
-	"gopkg.in/src-d/go-billy.v2"
-	"gopkg.in/src-d/go-billy.v2/osfs"
+	"gopkg.in/src-d/go-billy.v3"
+	"gopkg.in/src-d/go-billy.v3/osfs"
 )
 
 var (
@@ -92,11 +92,6 @@ func setWorktreeAndStoragePaths(r *Repository, worktree billy.Filesystem) error
 		return nil
 	}
 
-	_, isOS := fs.Filesystem().(*osfs.OS)
-	if !isOS {
-		return nil
-	}
-
 	if err := createDotGitFile(worktree, fs.Filesystem()); err != nil {
 		return err
 	}
@@ -105,9 +100,9 @@ func setWorktreeAndStoragePaths(r *Repository, worktree billy.Filesystem) error
 }
 
 func createDotGitFile(worktree, storage billy.Filesystem) error {
-	path, err := filepath.Rel(worktree.Base(), storage.Base())
+	path, err := filepath.Rel(worktree.Root(), storage.Root())
 	if err != nil {
-		path = storage.Base()
+		path = storage.Root()
 	}
 
 	if path == ".git" {
@@ -126,9 +121,9 @@ func createDotGitFile(worktree, storage billy.Filesystem) error {
 }
 
 func setConfigWorktree(r *Repository, worktree, storage billy.Filesystem) error {
-	path, err := filepath.Rel(storage.Base(), worktree.Base())
+	path, err := filepath.Rel(storage.Root(), worktree.Root())
 	if err != nil {
-		path = worktree.Base()
+		path = worktree.Root()
 	}
 
 	if path == ".." {
@@ -194,7 +189,7 @@ func PlainInit(path string, isBare bool) (*Repository, error) {
 		dot = osfs.New(path)
 	} else {
 		wt = osfs.New(path)
-		dot = wt.Dir(".git")
+		dot, _ = wt.Chroot(".git")
 	}
 
 	s, err := filesystem.NewStorage(dot)
@@ -209,7 +204,7 @@ func PlainInit(path string, isBare bool) (*Repository, error) {
 // repository is bare or a normal one. If the path doesn't contain a valid
 // repository ErrRepositoryNotExists is returned
 func PlainOpen(path string) (*Repository, error) {
-	dot, wt, err := dotGitToFilesystems(path)
+	dot, wt, err := dotGitToOSFilesystems(path)
 	if err != nil {
 		return nil, err
 	}
@@ -230,7 +225,7 @@ func PlainOpen(path string) (*Repository, error) {
 	return Open(s, wt)
 }
 
-func dotGitToFilesystems(path string) (dot, wt billy.Filesystem, err error) {
+func dotGitToOSFilesystems(path string) (dot, wt billy.Filesystem, err error) {
 	fs := osfs.New(path)
 	fi, err := fs.Stat(".git")
 	if err != nil {
@@ -242,18 +237,19 @@ func dotGitToFilesystems(path string) (dot, wt billy.Filesystem, err error) {
 	}
 
 	if fi.IsDir() {
-		return fs.Dir(".git"), fs, nil
+		dot, err = fs.Chroot(".git")
+		return dot, fs, err
 	}
 
-	dot, err = dotGitFileToFilesystem(fs)
+	dot, err = dotGitFileToOSFilesystem(path, fs)
 	if err != nil {
 		return nil, nil, err
 	}
 
 	return dot, fs, nil
 }
 
-func dotGitFileToFilesystem(fs billy.Filesystem) (billy.Filesystem, error) {
+func dotGitFileToOSFilesystem(path string, fs billy.Filesystem) (billy.Filesystem, error) {
 	var err error
 
 	f, err := fs.Open(".git")
@@ -279,7 +275,7 @@ func dotGitFileToFilesystem(fs billy.Filesystem) (billy.Filesystem, error) {
 		return osfs.New(gitdir), nil
 	}
 
-	return fs.Dir(gitdir), err
+	return osfs.New(fs.Join(path, gitdir)), nil
 }
 
 // PlainClone a repository into the path with the given options, isBare defines