Remove go-os-rename

It is included in go-datastore

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

Godeps/_workspace/src/github.com/jbenet/go-os-rename/.travis.yml

-language: go
-
-go:
-  - 1.4
-  - release
-
-script:
-  - go test -race -cpu=5 -v ./...

Godeps/_workspace/src/github.com/jbenet/go-os-rename/README.md

-# go-os-rename
-
-Easily rename files in place. This is needed because Windows errors on rename if a file already exists. Please see this commit, from which the code is extracted: https://github.com/lvarvel/cacheddownloader/commit/505a1fd
-
-#### Godoc: https://godoc.org/github.com/jbenet/go-os-rename
-
-## Author
-
-The original author of this code are "David Morhovich, David Varvel and John Shahid" (see [this commit](https://github.com/lvarvel/cacheddownloader/commit/505a1fdcc5af7823f20d7c87d9e4d1c833c59053))
-
-## License
-
-The code originally comes from https://github.com/lvarvel/cacheddownloader, which is licensed Apache 2.0.

Godeps/_workspace/src/github.com/jbenet/go-os-rename/rename_std.go

-// +build !windows
-
-package osrename
-
-import "os"
-
-func Rename(src, dst string) error {
-	return os.Rename(src, dst)
-}

Godeps/_workspace/src/github.com/jbenet/go-os-rename/rename_test.go

-package osrename_test
-
-import (
-	"bytes"
-	rn "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-os-rename"
-	"io/ioutil"
-	"os"
-	"testing"
-)
-
-func tempdir(t testing.TB) (path string, cleanup func()) {
-	path, err := ioutil.TempDir("", "test-windows-rename")
-	if err != nil {
-		t.Fatalf("cannot create temp directory: %v", err)
-	}
-
-	cleanup = func() {
-		if err := os.RemoveAll(path); err != nil {
-			t.Errorf("tempdir cleanup failed: %v", err)
-		}
-	}
-	return path, cleanup
-}
-
-func TestAtomicRename(t *testing.T) {
-	dirBase, cleanup := tempdir(t)
-	defer cleanup()
-
-	// Create base file
-	origFilePath := dirBase + "original.txt"
-	err := ioutil.WriteFile(origFilePath, []byte("tests"), 0644)
-
-	if err != nil {
-		t.Fatalf("Could not write original test file")
-	}
-
-	// Create secondary file
-	tempFilePath := dirBase + "newTempFile.txt"
-	err = ioutil.WriteFile(tempFilePath, []byte("success"), 0644)
-	if err != nil {
-		t.Fatalf("Could not write temp file")
-	}
-
-	// Execute our magic rename function
-	err = rn.Rename(tempFilePath, origFilePath)
-	if err != nil {
-		t.Fatalf("Could not rename temp file")
-	}
-
-	// Let's read the renamed file and ensure that we get data
-	renamedFileBytes, err := ioutil.ReadFile(origFilePath)
-	if err != nil {
-		t.Fatalf("Could not read renamed file")
-	}
-
-	// Let's compare the bytes of the renamed file
-	if bytes.Compare(renamedFileBytes, []byte("success")) != 0 {
-		t.Fatalf("Did not find expected bytes in renamed file %d vs %d", renamedFileBytes, []byte("success"))
-	}
-}

Godeps/_workspace/src/github.com/jbenet/go-os-rename/rename_windows.go

-// +build windows
-
-package osrename
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-func Rename(src, dst string) error {
-	kernel32, err := syscall.LoadLibrary("kernel32.dll")
-	if err != nil {
-		return err
-	}
-	defer syscall.FreeLibrary(kernel32)
-	moveFileExUnicode, err := syscall.GetProcAddress(kernel32, "MoveFileExW")
-	if err != nil {
-		return err
-	}
-
-	srcString, err := syscall.UTF16PtrFromString(src)
-	if err != nil {
-		return err
-	}
-
-	dstString, err := syscall.UTF16PtrFromString(dst)
-	if err != nil {
-		return err
-	}
-
-	srcPtr := uintptr(unsafe.Pointer(srcString))
-	dstPtr := uintptr(unsafe.Pointer(dstString))
-
-	MOVEFILE_REPLACE_EXISTING := 0x1
-	flag := uintptr(MOVEFILE_REPLACE_EXISTING)
-
-	_, _, callErr := syscall.Syscall(uintptr(moveFileExUnicode), 3, srcPtr, dstPtr, flag)
-	if callErr != 0 {
-		return callErr
-	}
-
-	return nil
-}