merge with latest

.travis.yml

@@ -0,0 +1,12 @@
+language: go
+
+go:
+  - 1.0
+  - 1.1
+  - tip
+
+env:
+  - PKG_CONFIG_PATH=libgit2/install/lib/pkgconfig LD_LIBRARY_PATH=libgit2/install/lib
+
+install:
+  - script/build-libgit2.sh

blob.go

@@ -3,9 +3,18 @@ package git
 /*
 #include <git2.h>
 #include <git2/errors.h>
+#include <string.h>
+
+extern int _go_git_blob_create_fromchunks(git_oid *id,
+	git_repository *repo,
+	const char *hintpath,
+	void *payload);
+
 */
 import "C"
 import (
+	"io"
+	"runtime"
 	"unsafe"
 )
 
@@ -13,13 +22,65 @@ type Blob struct {
 	gitObject
 }
 
-func (v Blob) Size() int64 {
+func (v *Blob) Size() int64 {
 	return int64(C.git_blob_rawsize(v.ptr))
 }
 
-func (v Blob) Contents() []byte {
+func (v *Blob) Contents() []byte {
 	size := C.int(C.git_blob_rawsize(v.ptr))
 	buffer := unsafe.Pointer(C.git_blob_rawcontent(v.ptr))
 	return C.GoBytes(buffer, size)
 }
 
+func (repo *Repository) CreateBlobFromBuffer(data []byte) (*Oid, error) {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+	oid := C.git_oid{}
+	ecode := C.git_blob_create_frombuffer(&oid, repo.ptr, unsafe.Pointer(&data[0]), C.size_t(len(data)))
+	if ecode < 0 {
+		return nil, MakeGitError(ecode)
+	}
+	return newOidFromC(&oid), nil
+}
+
+type BlobChunkCallback func(maxLen int) ([]byte, error)
+
+type BlobCallbackData struct {
+	Callback BlobChunkCallback
+	Error    error
+}
+
+//export blobChunkCb
+func blobChunkCb(buffer *C.char, maxLen C.size_t, payload unsafe.Pointer) int {
+	data := (*BlobCallbackData)(payload)
+	goBuf, err := data.Callback(int(maxLen))
+	if err == io.EOF {
+		return 1
+	} else if err != nil {
+		data.Error = err
+		return -1
+	}
+	C.memcpy(unsafe.Pointer(buffer), unsafe.Pointer(&goBuf), C.size_t(len(goBuf)))
+	return 0
+}
+
+func (repo *Repository) CreateBlobFromChunks(hintPath string, callback BlobChunkCallback) (*Oid, error) {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	var chintPath *C.char = nil
+	if len(hintPath) > 0 {
+		C.CString(hintPath)
+		defer C.free(unsafe.Pointer(chintPath))
+	}
+	oid := C.git_oid{}
+	payload := &BlobCallbackData{Callback: callback}
+	ecode := C._go_git_blob_create_fromchunks(&oid, repo.ptr, chintPath, unsafe.Pointer(payload))
+	if payload.Error != nil {
+		return nil, payload.Error
+	}
+	if ecode < 0 {
+		return nil, MakeGitError(ecode)
+	}
+	return newOidFromC(&oid), nil
+}

branch.go

@@ -0,0 +1,193 @@
+package git
+
+/*
+#cgo pkg-config: libgit2
+#include <git2.h>
+#include <git2/errors.h>
+*/
+import "C"
+
+import (
+	"runtime"
+	"unsafe"
+)
+
+type BranchType uint
+
+const (
+	BranchLocal  BranchType = C.GIT_BRANCH_LOCAL
+	BranchRemote            = C.GIT_BRANCH_REMOTE
+)
+
+type Branch struct {
+	Reference
+}
+
+func (repo *Repository) CreateBranch(branchName string, target *Commit, force bool, signature *Signature, msg string) (*Reference, error) {
+
+	ref := new(Reference)
+	cBranchName := C.CString(branchName)
+	cForce := cbool(force)
+
+	cSignature := signature.toC()
+	defer C.git_signature_free(cSignature)
+
+	var cmsg *C.char
+	if msg == "" {
+		cmsg = nil
+	} else {
+		cmsg = C.CString(msg)
+		defer C.free(unsafe.Pointer(cmsg))
+	}
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_create(&ref.ptr, repo.ptr, cBranchName, target.ptr, cForce, cSignature, cmsg)
+	if ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+	return ref, nil
+}
+
+func (b *Branch) Delete() error {
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+	ret := C.git_branch_delete(b.ptr)
+	if ret < 0 {
+		return MakeGitError(ret)
+	}
+	return nil
+}
+
+func (b *Branch) Move(newBranchName string, force bool, signature *Signature, msg string) (*Branch, error) {
+	newBranch := new(Branch)
+	cNewBranchName := C.CString(newBranchName)
+	cForce := cbool(force)
+
+	cSignature := signature.toC()
+	defer C.git_signature_free(cSignature)
+
+	var cmsg *C.char
+	if msg == "" {
+		cmsg = nil
+	} else {
+		cmsg = C.CString(msg)
+		defer C.free(unsafe.Pointer(cmsg))
+	}
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_move(&newBranch.ptr, b.ptr, cNewBranchName, cForce, cSignature, cmsg)
+	if ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+	return newBranch, nil
+}
+
+func (b *Branch) IsHead() (bool, error) {
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_is_head(b.ptr)
+	switch ret {
+	case 1:
+		return true, nil
+	case 0:
+		return false, nil
+	}
+	return false, MakeGitError(ret)
+
+}
+
+func (repo *Repository) LookupBranch(branchName string, bt BranchType) (*Branch, error) {
+	branch := new(Branch)
+	cName := C.CString(branchName)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_lookup(&branch.ptr, repo.ptr, cName, C.git_branch_t(bt))
+	if ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+	return branch, nil
+}
+
+func (b *Branch) Name() (string, error) {
+	var cName *C.char
+	defer C.free(unsafe.Pointer(cName))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_name(&cName, b.ptr)
+	if ret < 0 {
+		return "", MakeGitError(ret)
+	}
+
+	return C.GoString(cName), nil
+}
+
+func (repo *Repository) RemoteName(canonicalBranchName string) (string, error) {
+	cName := C.CString(canonicalBranchName)
+
+	nameBuf := C.git_buf{}
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_remote_name(&nameBuf, repo.ptr, cName)
+	if ret < 0 {
+		return "", MakeGitError(ret)
+	}
+	defer C.git_buf_free(&nameBuf)
+
+	return C.GoString(nameBuf.ptr), nil
+}
+
+func (b *Branch) SetUpstream(upstreamName string) error {
+	cName := C.CString(upstreamName)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_set_upstream(b.ptr, cName)
+	if ret < 0 {
+		return MakeGitError(ret)
+	}
+	return nil
+}
+
+func (b *Branch) Upstream() (*Branch, error) {
+	upstream := new(Branch)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_upstream(&upstream.ptr, b.ptr)
+	if ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+	return upstream, nil
+}
+
+func (repo *Repository) UpstreamName(canonicalBranchName string) (string, error) {
+	cName := C.CString(canonicalBranchName)
+
+	nameBuf := C.git_buf{}
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_branch_upstream_name(&nameBuf, repo.ptr, cName)
+	if ret < 0 {
+		return "", MakeGitError(ret)
+	}
+	defer C.git_buf_free(&nameBuf)
+
+	return C.GoString(nameBuf.ptr), nil
+}

checkout.go

@@ -2,10 +2,6 @@ package git
 
 /*
 #include <git2.h>
-git_checkout_opts git_checkout_opts_init() {
-	git_checkout_opts ret = GIT_CHECKOUT_OPTS_INIT;
-	return ret;
-}
 */
 import "C"
 import (
@@ -42,28 +38,34 @@ type CheckoutOpts struct {
 	FileOpenFlags  int				// Default is O_CREAT | O_TRUNC | O_WRONLY
 }
 
-// Convert the CheckoutOpts struct to the corresponding C-struct
+// Convert the CheckoutOpts struct to the corresponding
-func populateCheckoutOpts(ptr *C.git_checkout_opts, opts *CheckoutOpts) {
+// C-struct. Returns a pointer to ptr, or nil if opts is nil, in order
-	*ptr = C.git_checkout_opts_init()
+// to help with what to pass.
+func populateCheckoutOpts(ptr *C.git_checkout_options, opts *CheckoutOpts) *C.git_checkout_options {
 	if opts == nil {
-		return
+		return nil
 	}
+
+	C.git_checkout_init_opts(ptr, 1)
 	ptr.checkout_strategy = C.uint(opts.Strategy)
 	ptr.disable_filters = cbool(opts.DisableFilters)
 	ptr.dir_mode = C.uint(opts.DirMode.Perm())
 	ptr.file_mode = C.uint(opts.FileMode.Perm())
+
+	return ptr
 }
 
 // Updates files in the index and the working tree to match the content of
-// the commit pointed at by HEAD.
+// the commit pointed at by HEAD. opts may be nil.
-func (v *Repository) Checkout(opts *CheckoutOpts) error {
+func (v *Repository) CheckoutHead(opts *CheckoutOpts) error {
-	var copts C.git_checkout_opts
+	var copts C.git_checkout_options
-	populateCheckoutOpts(&copts, opts)
+
+	ptr := populateCheckoutOpts(&copts, opts)
 
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ret := C.git_checkout_head(v.ptr, &copts)
+	ret := C.git_checkout_head(v.ptr, ptr)
 	if ret < 0 {
 		return MakeGitError(ret)
 	}
@@ -71,15 +73,22 @@ func (v *Repository) Checkout(opts *CheckoutOpts) error {
 	return nil
 }
 
-// Updates files in the working tree to match the content of the index.
+// Updates files in the working tree to match the content of the given
+// index. If index is nil, the repository's index will be used. opts
+// may be nil.
 func (v *Repository) CheckoutIndex(index *Index, opts *CheckoutOpts) error {
-	var copts C.git_checkout_opts
+	var copts C.git_checkout_options
-	populateCheckoutOpts(&copts, opts)
+	ptr := populateCheckoutOpts(&copts, opts)
+
+	var iptr *C.git_index = nil
+	if index != nil {
+		iptr = index.ptr
+	}
 
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ret := C.git_checkout_index(v.ptr, index.ptr, &copts)
+	ret := C.git_checkout_index(v.ptr, iptr, ptr)
 	if ret < 0 {
 		return MakeGitError(ret)
 	}

reference.go

@@ -40,8 +40,13 @@ func (v *Reference) SetSymbolicTarget(target string, sig *Signature, msg string)
 	csig := sig.toC()
 	defer C.free(unsafe.Pointer(csig))
 
-	cmsg := C.CString(msg)
+	var cmsg *C.char
-	defer C.free(unsafe.Pointer(cmsg))
+	if msg == "" {
+		cmsg = nil
+	} else {
+		cmsg = C.CString(msg)
+		defer C.free(unsafe.Pointer(cmsg))
+	}
 
 	ret := C.git_reference_symbolic_set_target(&ptr, v.ptr, ctarget, csig, cmsg)
 	if ret < 0 {
@@ -60,8 +65,13 @@ func (v *Reference) SetTarget(target *Oid, sig *Signature, msg string) (*Referen
 	csig := sig.toC()
 	defer C.free(unsafe.Pointer(csig))
 
-	cmsg := C.CString(msg)
+	var cmsg *C.char
-	defer C.free(unsafe.Pointer(cmsg))
+	if msg == "" {
+		cmsg = nil
+	} else {
+		cmsg = C.CString(msg)
+		defer C.free(unsafe.Pointer(cmsg))
+	}
 
 	ret := C.git_reference_set_target(&ptr, v.ptr, target.toC(), csig, cmsg)
 	if ret < 0 {
@@ -93,8 +103,13 @@ func (v *Reference) Rename(name string, force bool, sig *Signature, msg string)
 	csig := sig.toC()
 	defer C.free(unsafe.Pointer(csig))
 
-	cmsg := C.CString(msg)
+	var cmsg *C.char
-	defer C.free(unsafe.Pointer(cmsg))
+	if msg == "" {
+		cmsg = nil
+	} else {
+		cmsg = C.CString(msg)
+		defer C.free(unsafe.Pointer(cmsg))
+	}
 
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
@@ -134,6 +149,17 @@ func (v *Reference) Delete() error {
 	return nil
 }
 
+// Cmp compares both references, retursn 0 on equality, otherwise a
+// stable sorting.
+func (v *Reference) Cmp(ref2 *Reference) int {
+	return int(C.git_reference_cmp(v.ptr, ref2.ptr))
+}
+
+// Shorthand returns a "human-readable" short reference name
+func (v *Reference) Shorthand() string {
+	return C.GoString(C.git_reference_shorthand(v.ptr))
+}
+
 func (v *Reference) Name() string {
 	return C.GoString(C.git_reference_name(v.ptr))
 }

reference_test.go

@@ -159,6 +159,33 @@ func TestIterator(t *testing.T) {
 	compareStringList(t, expected, list)
 }
 
+func TestUtil(t *testing.T) {
+	repo := createTestRepo(t)
+	defer os.RemoveAll(repo.Workdir())
+
+	commitId, _ := seedTestRepo(t, repo)
+
+	ref, err := repo.CreateReference("refs/heads/foo", commitId, true, nil, "")
+	checkFatal(t, err)
+
+	ref2, err := repo.DwimReference("foo")
+	checkFatal(t, err)
+
+	if ref.Cmp(ref2) != 0 {
+		t.Fatalf("foo didn't dwim to the right thing")
+	}
+
+	if ref.Shorthand() != "foo" {
+		t.Fatalf("refs/heads/foo has no foo shorthand")
+	}
+
+	hasLog, err := repo.HasLog("refs/heads/foo")
+	checkFatal(t, err)
+	if !hasLog {
+		t.Fatalf("branches ahve logs by default")
+	}
+}
+
 func compareStringList(t *testing.T, expected, actual []string) {
 	for i, v := range expected {
 		if actual[i] != v {

repository.go

@@ -153,8 +153,13 @@ func (v *Repository) CreateReference(name string, id *Oid, force bool, sig *Sign
 	csig := sig.toC()
 	defer C.free(unsafe.Pointer(csig))
 
-	cmsg := C.CString(msg)
+	var cmsg *C.char
-	defer C.free(unsafe.Pointer(cmsg))
+	if msg == "" {
+		cmsg = nil
+	} else {
+		cmsg = C.CString(msg)
+		defer C.free(unsafe.Pointer(cmsg))
+	}
 
 	var ptr *C.git_reference
 
@@ -179,8 +184,13 @@ func (v *Repository) CreateSymbolicReference(name, target string, force bool, si
 	csig := sig.toC()
 	defer C.free(unsafe.Pointer(csig))
 
-	cmsg := C.CString(msg)
+	var cmsg *C.char
-	defer C.free(unsafe.Pointer(cmsg))
+	if msg == "" {
+		cmsg = nil
+	} else {
+		cmsg = C.CString(msg)
+		defer C.free(unsafe.Pointer(cmsg))
+	}
 
 	var ptr *C.git_reference
 
@@ -196,19 +206,18 @@ func (v *Repository) CreateSymbolicReference(name, target string, force bool, si
 }
 
 func (v *Repository) Walk() (*RevWalk, error) {
-	walk := new(RevWalk)
+
+	var walkPtr *C.git_revwalk
 
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ecode := C.git_revwalk_new(&walk.ptr, v.ptr)
+	ecode := C.git_revwalk_new(&walkPtr, v.ptr)
 	if ecode < 0 {
 		return nil, MakeGitError(ecode)
 	}
 
-	walk.repo = v
+	return revWalkFromC(v, walkPtr), nil
-	runtime.SetFinalizer(walk, freeRevWalk)
-	return walk, nil
 }
 
 func (v *Repository) CreateCommit(
@@ -316,6 +325,21 @@ func (v *Repository) TreeBuilder() (*TreeBuilder, error) {
 	return bld, nil
 }
 
+func (v *Repository) TreeBuilderFromTree(tree *Tree) (*TreeBuilder, error) {
+	bld := new(TreeBuilder)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	if ret := C.git_treebuilder_create(&bld.ptr, tree.ptr); ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+	runtime.SetFinalizer(bld, (*TreeBuilder).Free)
+
+	bld.repo = v
+	return bld, nil
+}
+
 func (v *Repository) RevparseSingle(spec string) (Object, error) {
 	cspec := C.CString(spec)
 	defer C.free(unsafe.Pointer(cspec))
@@ -332,3 +356,52 @@ func (v *Repository) RevparseSingle(spec string) (Object, error) {
 
 	return allocObject(ptr), nil
 }
+
+// EnsureLog ensures that there is a reflog for the given reference
+// name and creates an empty one if necessary.
+func (v *Repository) EnsureLog(name string) error {
+	cname := C.CString(name)
+	defer C.free(unsafe.Pointer(cname))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	if ret := C.git_reference_ensure_log(v.ptr, cname); ret < 0 {
+		return MakeGitError(ret)
+	}
+
+	return nil
+}
+
+// HasLog returns whether there is a reflog for the given reference
+// name
+func (v *Repository) HasLog(name string) (bool, error) {
+	cname := C.CString(name)
+	defer C.free(unsafe.Pointer(cname))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_reference_has_log(v.ptr, cname)
+	if ret < 0 {
+		return false, MakeGitError(ret)
+	}
+
+	return ret == 1, nil
+}
+
+// DwimReference looks up a reference by DWIMing its short name
+func (v *Repository) DwimReference(name string) (*Reference, error) {
+	cname := C.CString(name)
+	defer C.free(unsafe.Pointer(cname))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	var ptr *C.git_reference
+	if ret := C.git_reference_dwim(&ptr, v.ptr, cname); ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+
+	return newReferenceFromC(ptr), nil
+}

script/build-libgit2.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+set -ex
+
+git clone --depth 1 --single-branch git://github.com/libgit2/libgit2 libgit2
+
+cd libgit2
+cmake -DTHREADSAFE=ON \
+      -DBUILD_CLAR=OFF \
+      -DCMAKE_INSTALL_PREFIX=$PWD/install \
+      .
+
+make install
+
+# Let the Go build system know where to find libgit2
+export LD_LIBRARY_PATH="$TMPDIR/libgit2/install/lib"
+export PKG_CONFIG_PATH="$TMPDIR/libgit2/install/lib/pkgconfig"

tree.go

@@ -14,13 +14,14 @@ import (
 )
 
 type Filemode int
+
 const (
-	FilemodeNew   Filemode = C.GIT_FILEMODE_NEW
+	FilemodeNew            Filemode = C.GIT_FILEMODE_NEW
-	FilemodeTree           = C.GIT_FILEMODE_TREE
+	FilemodeTree                    = C.GIT_FILEMODE_TREE
-	FilemodeBlob           = C.GIT_FILEMODE_BLOB
+	FilemodeBlob                    = C.GIT_FILEMODE_BLOB
-	FilemodeBlobExecutable = C.GIT_FILEMODE_BLOB_EXECUTABLE
+	FilemodeBlobExecutable          = C.GIT_FILEMODE_BLOB_EXECUTABLE
-	FilemodeLink           = C.GIT_FILEMODE_LINK
+	FilemodeLink                    = C.GIT_FILEMODE_LINK
-	FilemodeCommit         = C.GIT_FILEMODE_COMMIT
+	FilemodeCommit                  = C.GIT_FILEMODE_COMMIT
 )
 
 type Tree struct {
@@ -28,9 +29,9 @@ type Tree struct {
 }
 
 type TreeEntry struct {
-	Name string
+	Name     string
-	Id  *Oid
+	Id       *Oid
-	Type ObjectType
+	Type     ObjectType
 	Filemode int
 }
 
@@ -116,7 +117,7 @@ func (t Tree) Walk(callback TreeWalkCallback) error {
 }
 
 type TreeBuilder struct {
-	ptr *C.git_treebuilder
+	ptr  *C.git_treebuilder
 	repo *Repository
 }
 
@@ -125,7 +126,7 @@ func (v *TreeBuilder) Free() {
 	C.git_treebuilder_free(v.ptr)
 }
 
-func (v *TreeBuilder) Insert(filename string, id *Oid, filemode int) (error) {
+func (v *TreeBuilder) Insert(filename string, id *Oid, filemode int) error {
 	cfilename := C.CString(filename)
 	defer C.free(unsafe.Pointer(cfilename))
 
@@ -140,6 +141,21 @@ func (v *TreeBuilder) Insert(filename string, id *Oid, filemode int) (error) {
 	return nil
 }
 
+func (v *TreeBuilder) Remove(filename string) error {
+	cfilename := C.CString(filename)
+	defer C.free(unsafe.Pointer(cfilename))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	err := C.git_treebuilder_remove(v.ptr, cfilename)
+	if err < 0 {
+		return MakeGitError(err)
+	}
+
+	return nil
+}
+
 func (v *TreeBuilder) Write() (*Oid, error) {
 	oid := new(Oid)
 

walk.go

@@ -14,11 +14,12 @@ import (
 // RevWalk
 
 type SortType uint
+
 const (
-	SortNone SortType = C.GIT_SORT_NONE
+	SortNone        SortType = C.GIT_SORT_NONE
-	SortTopological   = C.GIT_SORT_TOPOLOGICAL
+	SortTopological          = C.GIT_SORT_TOPOLOGICAL
-	SortTime          = C.GIT_SORT_TIME
+	SortTime                 = C.GIT_SORT_TIME
-	SortReverse       = C.GIT_SORT_REVERSE
+	SortReverse              = C.GIT_SORT_REVERSE
 )
 
 type RevWalk struct {
@@ -26,6 +27,12 @@ type RevWalk struct {
 	repo *Repository
 }
 
+func revWalkFromC(repo *Repository, c *C.git_revwalk) *RevWalk {
+	v := &RevWalk{ptr: c, repo: repo}
+	runtime.SetFinalizer(v, (*RevWalk).Free)
+	return v
+}
+
 func (v *RevWalk) Reset() {
 	C.git_revwalk_reset(v.ptr)
 }
@@ -92,6 +99,8 @@ func (v *RevWalk) Sorting(sm SortType) {
 	C.git_revwalk_sorting(v.ptr, C.uint(sm))
 }
 
-func freeRevWalk(walk *RevWalk) {
+func (v *RevWalk) Free() {
-	C.git_revwalk_free(walk.ptr)
+
+	runtime.SetFinalizer(v, nil)
+	C.git_revwalk_free(v.ptr)
 }

wrapper.c

@@ -63,4 +63,16 @@ int _go_git_push_set_callbacks(git_push *push, void *packbuilder_progress_data,
 	return git_push_set_callbacks(push, packbuilderProgress, packbuilder_progress_data, pushTransferProgress, transfer_progress_data);
 }
 
+int _go_blob_chunk_cb(char *buffer, size_t maxLen, void *payload)
+{
+    return blobChunkCb(buffer, maxLen, payload);
+}
+
+int _go_git_blob_create_fromchunks(git_oid *id,
+	git_repository *repo,
+	const char *hintpath,
+	void *payload)
+{
+    return git_blob_create_fromchunks(id, repo, hintpath, _go_blob_chunk_cb, payload);
+}
 /* EOF */