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Make pkg/blobstore tests pass on Windows.

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This commit is contained in:
Mikkel Krautz 2011-05-17 16:58:13 +02:00
parent 4894d3343d
commit 22febd0b13
1 changed files with 24 additions and 9 deletions
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33
pkg/blobstore/blobstore.go
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@ -21,6 +21,10 @@ type BlobStore struct {
makeall bool makeall bool
} }
const (
win32AlreadyExists = 183
)
var ( var (
ErrLocked = os.NewError("lockfile acquired by another process") ErrLocked = os.NewError("lockfile acquired by another process")
ErrLockAcquirement = os.NewError("unable to acquire lockfile") ErrLockAcquirement = os.NewError("unable to acquire lockfile")
@ -116,8 +120,7 @@ func NewBlobStore(path string, makeall bool) (bs *BlobStore, err os.Error) {
outer := filepath.Join(path, hex.EncodeToString([]byte{byte(i)})) outer := filepath.Join(path, hex.EncodeToString([]byte{byte(i)}))
err = os.Mkdir(outer, 0700) err = os.Mkdir(outer, 0700)
if e, ok := err.(*os.PathError); ok { if e, ok := err.(*os.PathError); ok {
switch e.Error { if isExistError(e) {
case os.EEXIST:
// The file alread exists. Stat it to check whether it is indeed // The file alread exists. Stat it to check whether it is indeed
// a directory. // a directory.
fi, err := os.Stat(outer) fi, err := os.Stat(outer)
@ -127,7 +130,7 @@ func NewBlobStore(path string, makeall bool) (bs *BlobStore, err os.Error) {
if !fi.IsDirectory() { if !fi.IsDirectory() {
return nil, ErrBadFile return nil, ErrBadFile
} }
case os.ENOTDIR: } else if e.Error == os.ENOTDIR {
return nil, ErrBadFile return nil, ErrBadFile
} }
} else if err != nil { } else if err != nil {
@ -137,8 +140,7 @@ func NewBlobStore(path string, makeall bool) (bs *BlobStore, err os.Error) {
inner := filepath.Join(outer, hex.EncodeToString([]byte{byte(j)})) inner := filepath.Join(outer, hex.EncodeToString([]byte{byte(j)}))
err = os.Mkdir(inner, 0700) err = os.Mkdir(inner, 0700)
if e, ok := err.(*os.PathError); ok { if e, ok := err.(*os.PathError); ok {
switch e.Error { if isExistError(e) {
case os.EEXIST:
// The file alread exists. Stat it to check whether it is indeed // The file alread exists. Stat it to check whether it is indeed
// a directory. // a directory.
fi, err := os.Stat(inner) fi, err := os.Stat(inner)
@ -148,7 +150,7 @@ func NewBlobStore(path string, makeall bool) (bs *BlobStore, err os.Error) {
if !fi.IsDirectory() { if !fi.IsDirectory() {
return nil, ErrBadFile return nil, ErrBadFile
} }
case os.ENOTDIR: } else if e.Error == os.ENOTDIR {
return nil, ErrBadFile return nil, ErrBadFile
} }
} else if err != nil { } else if err != nil {
@ -212,7 +214,7 @@ func (bs *BlobStore) Get(key string) (buf []byte, err os.Error) {
} }
file, err := os.Open(fn) file, err := os.Open(fn)
if e, ok := err.(*os.PathError); ok && e.Error == os.ENOENT { if e, ok := err.(*os.PathError); ok && (e.Error == os.ENOENT || e.Error == os.ENOTDIR) {
err = ErrNoSuchKey err = ErrNoSuchKey
return return
} else if err != nil { } else if err != nil {
@ -261,7 +263,7 @@ func (bs *BlobStore) Put(buf []byte) (key string, err os.Error) {
file.Close() file.Close()
return return
} else { } else {
if e, ok := err.(*os.PathError); ok && e.Error == os.ENOENT { if e, ok := err.(*os.PathError); ok && (e.Error == os.ENOENT || e.Error == os.ENOTDIR) {
// No such file exists on disk. Ready to rock! // No such file exists on disk. Ready to rock!
} else { } else {
return return
@ -270,7 +272,7 @@ func (bs *BlobStore) Put(buf []byte) (key string, err os.Error) {
if !bs.makeall { if !bs.makeall {
// Make sure the leading directories exist... // Make sure the leading directories exist...
err = os.MkdirAll(blobdir, 0700) err = os.MkdirAll(filepath.ToSlash(blobdir), 0700)
if err != nil { if err != nil {
return return
} }
@ -308,3 +310,16 @@ func (bs *BlobStore) Put(buf []byte) (key string, err os.Error) {
return key, nil return key, nil
} }
// Check whether an os.PathError is an EXIST error.
// On Unix, it checks for EEXIST. On Windows, it checks for EEXIST
// and Errno code 183 (ERROR_ALREADY_EXISTS)
func isExistError(err *os.PathError) (exists bool) {
if e, ok := err.Error.(os.Errno); ok && e == win32AlreadyExists {
exists = true
}
if err.Error == os.EEXIST {
exists = true
}
return
}