1 files changed, 0 insertions, 105 deletions
diff --git a/vendor/gopkg.in/src-d/go-billy.v4/helper/polyfill/polyfill.go b/vendor/gopkg.in/src-d/go-billy.v4/helper/polyfill/polyfill.go
deleted file mode 100644
index f613c255d9..0000000000
--- a/vendor/gopkg.in/src-d/go-billy.v4/helper/polyfill/polyfill.go
+++ /dev/null
@@ -1,105 +0,0 @@
-package polyfill
-
-import (
-	"os"
-	"path/filepath"
-
-	"gopkg.in/src-d/go-billy.v4"
-)
-
-// Polyfill is a helper that implements all missing method from billy.Filesystem.
-type Polyfill struct {
-	billy.Basic
-	c capabilities
-}
-
-type capabilities struct{ tempfile, dir, symlink, chroot bool }
-
-// New creates a new filesystem wrapping up 'fs' the intercepts all the calls
-// made and errors if fs doesn't implement any of the billy interfaces.
-func New(fs billy.Basic) billy.Filesystem {
-	if original, ok := fs.(billy.Filesystem); ok {
-		return original
-	}
-
-	h := &Polyfill{Basic: fs}
-
-	_, h.c.tempfile = h.Basic.(billy.TempFile)
-	_, h.c.dir = h.Basic.(billy.Dir)
-	_, h.c.symlink = h.Basic.(billy.Symlink)
-	_, h.c.chroot = h.Basic.(billy.Chroot)
-	return h
-}
-
-func (h *Polyfill) TempFile(dir, prefix string) (billy.File, error) {
-	if !h.c.tempfile {
-		return nil, billy.ErrNotSupported
-	}
-
-	return h.Basic.(billy.TempFile).TempFile(dir, prefix)
-}
-
-func (h *Polyfill) ReadDir(path string) ([]os.FileInfo, error) {
-	if !h.c.dir {
-		return nil, billy.ErrNotSupported
-	}
-
-	return h.Basic.(billy.Dir).ReadDir(path)
-}
-
-func (h *Polyfill) MkdirAll(filename string, perm os.FileMode) error {
-	if !h.c.dir {
-		return billy.ErrNotSupported
-	}
-
-	return h.Basic.(billy.Dir).MkdirAll(filename, perm)
-}
-
-func (h *Polyfill) Symlink(target, link string) error {
-	if !h.c.symlink {
-		return billy.ErrNotSupported
-	}
-
-	return h.Basic.(billy.Symlink).Symlink(target, link)
-}
-
-func (h *Polyfill) Readlink(link string) (string, error) {
-	if !h.c.symlink {
-		return "", billy.ErrNotSupported
-	}
-
-	return h.Basic.(billy.Symlink).Readlink(link)
-}
-
-func (h *Polyfill) Lstat(path string) (os.FileInfo, error) {
-	if !h.c.symlink {
-		return nil, billy.ErrNotSupported
-	}
-
-	return h.Basic.(billy.Symlink).Lstat(path)
-}
-
-func (h *Polyfill) Chroot(path string) (billy.Filesystem, error) {
-	if !h.c.chroot {
-		return nil, billy.ErrNotSupported
-	}
-
-	return h.Basic.(billy.Chroot).Chroot(path)
-}
-
-func (h *Polyfill) Root() string {
-	if !h.c.chroot {
-		return string(filepath.Separator)
-	}
-
-	return h.Basic.(billy.Chroot).Root()
-}
-
-func (h *Polyfill) Underlying() billy.Basic {
-	return h.Basic
-}
-
-// Capabilities implements the Capable interface.
-func (h *Polyfill) Capabilities() billy.Capability {
-	return billy.Capabilities(h.Basic)
-}