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authorMáximo Cuadros <mcuadros@gmail.com>2016-11-08 23:46:38 +0100
committerGitHub <noreply@github.com>2016-11-08 23:46:38 +0100
commitac095bb12c4d29722b60ba9f20590fa7cfa6bc7d (patch)
tree223f36f336ba3414b1e45cac8af6c4744a5d7ef6 /storage/filesystem/object.go
parente523701393598f4fa241dd407af9ff8925507a1a (diff)
downloadgo-git-ac095bb12c4d29722b60ba9f20590fa7cfa6bc7d.tar.gz
new plumbing package (#118)
* plumbing: now core was renamed to core, and formats and clients moved inside
Diffstat (limited to 'storage/filesystem/object.go')
-rw-r--r--storage/filesystem/object.go97
1 files changed, 49 insertions, 48 deletions
diff --git a/storage/filesystem/object.go b/storage/filesystem/object.go
index f780183..5868748 100644
--- a/storage/filesystem/object.go
+++ b/storage/filesystem/object.go
@@ -4,10 +4,11 @@ import (
"io"
"os"
- "gopkg.in/src-d/go-git.v4/core"
- "gopkg.in/src-d/go-git.v4/formats/idxfile"
- "gopkg.in/src-d/go-git.v4/formats/objfile"
- "gopkg.in/src-d/go-git.v4/formats/packfile"
+ "gopkg.in/src-d/go-git.v4/plumbing"
+ "gopkg.in/src-d/go-git.v4/plumbing/format/idxfile"
+ "gopkg.in/src-d/go-git.v4/plumbing/format/objfile"
+ "gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
+ "gopkg.in/src-d/go-git.v4/plumbing/storer"
"gopkg.in/src-d/go-git.v4/storage/filesystem/internal/dotgit"
"gopkg.in/src-d/go-git.v4/storage/memory"
"gopkg.in/src-d/go-git.v4/utils/fs"
@@ -15,13 +16,13 @@ import (
type ObjectStorage struct {
dir *dotgit.DotGit
- index map[core.Hash]index
+ index map[plumbing.Hash]index
}
func newObjectStorage(dir *dotgit.DotGit) (ObjectStorage, error) {
s := ObjectStorage{
dir: dir,
- index: make(map[core.Hash]index, 0),
+ index: make(map[plumbing.Hash]index, 0),
}
return s, s.loadIdxFiles()
@@ -42,7 +43,7 @@ func (s *ObjectStorage) loadIdxFiles() error {
return nil
}
-func (s *ObjectStorage) loadIdxFile(h core.Hash) error {
+func (s *ObjectStorage) loadIdxFile(h plumbing.Hash) error {
idx, err := s.dir.ObjectPackIdx(h)
if err != nil {
return err
@@ -52,8 +53,8 @@ func (s *ObjectStorage) loadIdxFile(h core.Hash) error {
return s.index[h].Decode(idx)
}
-func (s *ObjectStorage) NewObject() core.Object {
- return &core.MemoryObject{}
+func (s *ObjectStorage) NewObject() plumbing.Object {
+ return &plumbing.MemoryObject{}
}
func (s *ObjectStorage) PackfileWriter() (io.WriteCloser, error) {
@@ -62,7 +63,7 @@ func (s *ObjectStorage) PackfileWriter() (io.WriteCloser, error) {
return nil, err
}
- w.Notify = func(h core.Hash, idx idxfile.Idxfile) {
+ w.Notify = func(h plumbing.Hash, idx idxfile.Idxfile) {
s.index[h] = make(index)
for _, e := range idx.Entries {
s.index[h][e.Hash] = int64(e.Offset)
@@ -73,31 +74,31 @@ func (s *ObjectStorage) PackfileWriter() (io.WriteCloser, error) {
}
// Set adds a new object to the storage.
-func (s *ObjectStorage) SetObject(o core.Object) (core.Hash, error) {
- if o.Type() == core.OFSDeltaObject || o.Type() == core.REFDeltaObject {
- return core.ZeroHash, core.ErrInvalidType
+func (s *ObjectStorage) SetObject(o plumbing.Object) (plumbing.Hash, error) {
+ if o.Type() == plumbing.OFSDeltaObject || o.Type() == plumbing.REFDeltaObject {
+ return plumbing.ZeroHash, plumbing.ErrInvalidType
}
ow, err := s.dir.NewObject()
if err != nil {
- return core.ZeroHash, err
+ return plumbing.ZeroHash, err
}
defer ow.Close()
or, err := o.Reader()
if err != nil {
- return core.ZeroHash, err
+ return plumbing.ZeroHash, err
}
defer or.Close()
if err := ow.WriteHeader(o.Type(), o.Size()); err != nil {
- return core.ZeroHash, err
+ return plumbing.ZeroHash, err
}
if _, err := io.Copy(ow, or); err != nil {
- return core.ZeroHash, err
+ return plumbing.ZeroHash, err
}
return o.Hash(), nil
@@ -105,9 +106,9 @@ func (s *ObjectStorage) SetObject(o core.Object) (core.Hash, error) {
// Get returns the object with the given hash, by searching for it in
// the packfile and the git object directories.
-func (s *ObjectStorage) Object(t core.ObjectType, h core.Hash) (core.Object, error) {
+func (s *ObjectStorage) Object(t plumbing.ObjectType, h plumbing.Hash) (plumbing.Object, error) {
obj, err := s.getFromUnpacked(h)
- if err == core.ErrObjectNotFound {
+ if err == plumbing.ErrObjectNotFound {
obj, err = s.getFromPackfile(h)
}
@@ -115,18 +116,18 @@ func (s *ObjectStorage) Object(t core.ObjectType, h core.Hash) (core.Object, err
return nil, err
}
- if core.AnyObject != t && obj.Type() != t {
- return nil, core.ErrObjectNotFound
+ if plumbing.AnyObject != t && obj.Type() != t {
+ return nil, plumbing.ErrObjectNotFound
}
return obj, nil
}
-func (s *ObjectStorage) getFromUnpacked(h core.Hash) (obj core.Object, err error) {
+func (s *ObjectStorage) getFromUnpacked(h plumbing.Hash) (obj plumbing.Object, err error) {
f, err := s.dir.Object(h)
if err != nil {
if os.IsNotExist(err) {
- return nil, core.ErrObjectNotFound
+ return nil, plumbing.ErrObjectNotFound
}
return nil, err
@@ -160,10 +161,10 @@ func (s *ObjectStorage) getFromUnpacked(h core.Hash) (obj core.Object, err error
// Get returns the object with the given hash, by searching for it in
// the packfile.
-func (s *ObjectStorage) getFromPackfile(h core.Hash) (core.Object, error) {
+func (s *ObjectStorage) getFromPackfile(h plumbing.Hash) (plumbing.Object, error) {
pack, offset := s.findObjectInPackfile(h)
if offset == -1 {
- return nil, core.ErrObjectNotFound
+ return nil, plumbing.ErrObjectNotFound
}
f, err := s.dir.ObjectPack(pack)
@@ -183,26 +184,26 @@ func (s *ObjectStorage) getFromPackfile(h core.Hash) (core.Object, error) {
return d.ReadObjectAt(offset)
}
-func (s *ObjectStorage) findObjectInPackfile(h core.Hash) (core.Hash, int64) {
+func (s *ObjectStorage) findObjectInPackfile(h plumbing.Hash) (plumbing.Hash, int64) {
for packfile, index := range s.index {
if offset, ok := index[h]; ok {
return packfile, offset
}
}
- return core.ZeroHash, -1
+ return plumbing.ZeroHash, -1
}
// Iter returns an iterator for all the objects in the packfile with the
// given type.
-func (s *ObjectStorage) IterObjects(t core.ObjectType) (core.ObjectIter, error) {
+func (s *ObjectStorage) IterObjects(t plumbing.ObjectType) (storer.ObjectIter, error) {
objects, err := s.dir.Objects()
if err != nil {
return nil, err
}
- seen := make(map[core.Hash]bool, 0)
- var iters []core.ObjectIter
+ seen := make(map[plumbing.Hash]bool, 0)
+ var iters []storer.ObjectIter
if len(objects) != 0 {
iters = append(iters, &objectsIter{s: s, t: t, h: objects})
seen = hashListAsMap(objects)
@@ -214,17 +215,17 @@ func (s *ObjectStorage) IterObjects(t core.ObjectType) (core.ObjectIter, error)
}
iters = append(iters, packi...)
- return core.NewMultiObjectIter(iters), nil
+ return storer.NewMultiObjectIter(iters), nil
}
func (s *ObjectStorage) buildPackfileIters(
- t core.ObjectType, seen map[core.Hash]bool) ([]core.ObjectIter, error) {
+ t plumbing.ObjectType, seen map[plumbing.Hash]bool) ([]storer.ObjectIter, error) {
packs, err := s.dir.ObjectPacks()
if err != nil {
return nil, err
}
- var iters []core.ObjectIter
+ var iters []storer.ObjectIter
for _, h := range packs {
pack, err := s.dir.ObjectPack(h)
if err != nil {
@@ -242,7 +243,7 @@ func (s *ObjectStorage) buildPackfileIters(
return iters, nil
}
-type index map[core.Hash]int64
+type index map[plumbing.Hash]int64
func (i index) Decode(r io.Reader) error {
idx := &idxfile.Idxfile{}
@@ -262,14 +263,14 @@ func (i index) Decode(r io.Reader) error {
type packfileIter struct {
f fs.File
d *packfile.Decoder
- t core.ObjectType
+ t plumbing.ObjectType
- seen map[core.Hash]bool
+ seen map[plumbing.Hash]bool
position uint32
total uint32
}
-func newPackfileIter(f fs.File, t core.ObjectType, seen map[core.Hash]bool) (core.ObjectIter, error) {
+func newPackfileIter(f fs.File, t plumbing.ObjectType, seen map[plumbing.Hash]bool) (storer.ObjectIter, error) {
s := packfile.NewScanner(f)
_, total, err := s.Header()
if err != nil {
@@ -291,7 +292,7 @@ func newPackfileIter(f fs.File, t core.ObjectType, seen map[core.Hash]bool) (cor
}, nil
}
-func (iter *packfileIter) Next() (core.Object, error) {
+func (iter *packfileIter) Next() (plumbing.Object, error) {
if iter.position >= iter.total {
return nil, io.EOF
}
@@ -306,7 +307,7 @@ func (iter *packfileIter) Next() (core.Object, error) {
return iter.Next()
}
- if iter.t != core.AnyObject && iter.t != obj.Type() {
+ if iter.t != plumbing.AnyObject && iter.t != obj.Type() {
return iter.Next()
}
@@ -314,7 +315,7 @@ func (iter *packfileIter) Next() (core.Object, error) {
}
// ForEach is never called since is used inside of a MultiObjectIterator
-func (iter *packfileIter) ForEach(cb func(core.Object) error) error {
+func (iter *packfileIter) ForEach(cb func(plumbing.Object) error) error {
return nil
}
@@ -325,11 +326,11 @@ func (iter *packfileIter) Close() {
type objectsIter struct {
s *ObjectStorage
- t core.ObjectType
- h []core.Hash
+ t plumbing.ObjectType
+ h []plumbing.Hash
}
-func (iter *objectsIter) Next() (core.Object, error) {
+func (iter *objectsIter) Next() (plumbing.Object, error) {
if len(iter.h) == 0 {
return nil, io.EOF
}
@@ -341,7 +342,7 @@ func (iter *objectsIter) Next() (core.Object, error) {
return nil, err
}
- if iter.t != core.AnyObject && iter.t != obj.Type() {
+ if iter.t != plumbing.AnyObject && iter.t != obj.Type() {
return iter.Next()
}
@@ -349,16 +350,16 @@ func (iter *objectsIter) Next() (core.Object, error) {
}
// ForEach is never called since is used inside of a MultiObjectIterator
-func (iter *objectsIter) ForEach(cb func(core.Object) error) error {
+func (iter *objectsIter) ForEach(cb func(plumbing.Object) error) error {
return nil
}
func (iter *objectsIter) Close() {
- iter.h = []core.Hash{}
+ iter.h = []plumbing.Hash{}
}
-func hashListAsMap(l []core.Hash) map[core.Hash]bool {
- m := make(map[core.Hash]bool, len(l))
+func hashListAsMap(l []plumbing.Hash) map[plumbing.Hash]bool {
+ m := make(map[plumbing.Hash]bool, len(l))
for _, h := range l {
m[h] = true
}