merge latest, copy merge bytes to go array

.travis.yml

@@ -5,8 +5,7 @@ go:
   - 1.1
   - tip
 
-env:
-  - PKG_CONFIG_PATH=libgit2/install/lib/pkgconfig LD_LIBRARY_PATH=libgit2/install/lib
-
 install:
   - script/build-libgit2.sh
+  - export PKG_CONFIG_PATH=$PWD/libgit2/install/lib/pkgconfig
+  - export LD_LIBRARY_PATH=$PWD/libgit2/install/lib

blob.go

@@ -20,15 +20,16 @@ import (
 
 type Blob struct {
 	gitObject
+	cast_ptr *C.git_blob
 }
 
 func (v *Blob) Size() int64 {
-	return int64(C.git_blob_rawsize(v.ptr))
+	return int64(C.git_blob_rawsize(v.cast_ptr))
 }
 
 func (v *Blob) Contents() []byte {
-	size := C.int(C.git_blob_rawsize(v.ptr))
-	buffer := unsafe.Pointer(C.git_blob_rawcontent(v.ptr))
+	size := C.int(C.git_blob_rawsize(v.cast_ptr))
+	buffer := unsafe.Pointer(C.git_blob_rawcontent(v.cast_ptr))
 	return C.GoBytes(buffer, size)
 }
 

branch.go

@@ -43,7 +43,7 @@ func (repo *Repository) CreateBranch(branchName string, target *Commit, force bo
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ret := C.git_branch_create(&ref.ptr, repo.ptr, cBranchName, target.ptr, cForce, cSignature, cmsg)
+	ret := C.git_branch_create(&ref.ptr, repo.ptr, cBranchName, target.cast_ptr, cForce, cSignature, cmsg)
 	if ret < 0 {
 		return nil, MakeGitError(ret)
 	}

commit.go

@@ -17,56 +17,57 @@ import (
 // Commit
 type Commit struct {
 	gitObject
+	cast_ptr *C.git_commit
 }
 
 func (c Commit) Message() string {
-	return C.GoString(C.git_commit_message(c.ptr))
+	return C.GoString(C.git_commit_message(c.cast_ptr))
 }
 
 func (c Commit) Tree() (*Tree, error) {
-	var ptr *C.git_object
+	var ptr *C.git_tree
 
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	err := C.git_commit_tree(&ptr, c.ptr)
+	err := C.git_commit_tree(&ptr, c.cast_ptr)
 	if err < 0 {
 		return nil, MakeGitError(err)
 	}
 
-	return allocObject(ptr).(*Tree), nil
+	return allocObject((*C.git_object)(ptr)).(*Tree), nil
 }
 
 func (c Commit) TreeId() *Oid {
-	return newOidFromC(C.git_commit_tree_id(c.ptr))
+	return newOidFromC(C.git_commit_tree_id(c.cast_ptr))
 }
 
 func (c Commit) Author() *Signature {
-	ptr := C.git_commit_author(c.ptr)
-	return newSignatureFromC(ptr)
+	cast_ptr := C.git_commit_author(c.cast_ptr)
+	return newSignatureFromC(cast_ptr)
 }
 
 func (c Commit) Committer() *Signature {
-	ptr := C.git_commit_committer(c.ptr)
-	return newSignatureFromC(ptr)
+	cast_ptr := C.git_commit_committer(c.cast_ptr)
+	return newSignatureFromC(cast_ptr)
 }
 
 func (c *Commit) Parent(n uint) *Commit {
-	var cobj *C.git_object
-	ret := C.git_commit_parent(&cobj, c.ptr, C.uint(n))
+	var cobj *C.git_commit
+	ret := C.git_commit_parent(&cobj, c.cast_ptr, C.uint(n))
 	if ret != 0 {
 		return nil
 	}
 
-	return allocObject(cobj).(*Commit)
+	return allocObject((*C.git_object)(cobj)).(*Commit)
 }
 
 func (c *Commit) ParentId(n uint) *Oid {
-	return newOidFromC(C.git_commit_parent_id(c.ptr, C.uint(n)))
+	return newOidFromC(C.git_commit_parent_id(c.cast_ptr, C.uint(n)))
 }
 
 func (c *Commit) ParentCount() uint {
-	return uint(C.git_commit_parentcount(c.ptr))
+	return uint(C.git_commit_parentcount(c.cast_ptr))
 }
 
 // Signature

git.go

@@ -149,6 +149,10 @@ func MakeGitError(errorCode C.int) error {
 	return &GitError{C.GoString(err.message), int(err.klass), int(errorCode)}
 }
 
+func MakeGitError2(err int) error {
+	return MakeGitError(C.int(err))
+}
+
 func cbool(b bool) C.int {
 	if b {
 		return C.int(1)

index.go

@@ -27,6 +27,39 @@ type IndexEntry struct {
 	Path  string
 }
 
+func newIndexEntryFromC(entry *C.git_index_entry) *IndexEntry {
+	if entry == nil {
+		return nil
+	}
+	return &IndexEntry{
+		time.Unix(int64(entry.ctime.seconds), int64(entry.ctime.nanoseconds)),
+		time.Unix(int64(entry.mtime.seconds), int64(entry.mtime.nanoseconds)),
+		uint(entry.mode),
+		uint(entry.uid),
+		uint(entry.gid),
+		uint(entry.file_size),
+		newOidFromC(&entry.id),
+		C.GoString(entry.path),
+	}
+}
+
+func populateCIndexEntry(source *IndexEntry, dest *C.git_index_entry) {
+	dest.ctime.seconds = C.git_time_t(source.Ctime.Unix())
+	dest.ctime.nanoseconds = C.uint(source.Ctime.UnixNano())
+	dest.mtime.seconds = C.git_time_t(source.Mtime.Unix())
+	dest.mtime.nanoseconds = C.uint(source.Mtime.UnixNano())
+	dest.mode = C.uint(source.Mode)
+	dest.uid = C.uint(source.Uid)
+	dest.gid = C.uint(source.Gid)
+	dest.file_size = C.git_off_t(source.Size)
+	dest.id = *source.Id.toC()
+	dest.path = C.CString(source.Path)
+}
+
+func freeCIndexEntry(entry *C.git_index_entry) {
+	C.free(unsafe.Pointer(entry.path))
+}
+
 func newIndexFromC(ptr *C.git_index) *Index {
 	idx := &Index{ptr}
 	runtime.SetFinalizer(idx, (*Index).Free)
@@ -97,19 +130,6 @@ func (v *Index) EntryCount() uint {
 	return uint(C.git_index_entrycount(v.ptr))
 }
 
-func newIndexEntryFromC(entry *C.git_index_entry) *IndexEntry {
-	return &IndexEntry{
-		time.Unix(int64(entry.ctime.seconds), int64(entry.ctime.nanoseconds)),
-		time.Unix(int64(entry.mtime.seconds), int64(entry.mtime.nanoseconds)),
-		uint(entry.mode),
-		uint(entry.uid),
-		uint(entry.gid),
-		uint(entry.file_size),
-		newOidFromC(&entry.id),
-		C.GoString(entry.path),
-	}
-}
-
 func (v *Index) EntryByIndex(index uint) (*IndexEntry, error) {
 	centry := C.git_index_get_byindex(v.ptr, C.size_t(index))
 	if centry == nil {
@@ -117,3 +137,145 @@ func (v *Index) EntryByIndex(index uint) (*IndexEntry, error) {
 	}
 	return newIndexEntryFromC(centry), nil
 }
+
+func (v *Index) HasConflicts() bool {
+	return C.git_index_has_conflicts(v.ptr) != 0
+}
+
+func (v *Index) CleanupConflicts() {
+	C.git_index_conflict_cleanup(v.ptr)
+}
+
+func (v *Index) AddConflict(ancestor *IndexEntry, our *IndexEntry, their *IndexEntry) error {
+
+	var cancestor *C.git_index_entry
+	var cour *C.git_index_entry
+	var ctheir *C.git_index_entry
+
+	if ancestor != nil {
+		cancestor = &C.git_index_entry{}
+		populateCIndexEntry(ancestor, cancestor)
+		defer freeCIndexEntry(cancestor)
+	}
+
+	if our != nil {
+		cour = &C.git_index_entry{}
+		populateCIndexEntry(our, cour)
+		defer freeCIndexEntry(cour)
+	}
+
+	if their != nil {
+		ctheir = &C.git_index_entry{}
+		populateCIndexEntry(their, ctheir)
+		defer freeCIndexEntry(ctheir)
+	}
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_index_conflict_add(v.ptr, cancestor, cour, ctheir)
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+type IndexConflict struct {
+	Ancestor *IndexEntry
+	Our      *IndexEntry
+	Their    *IndexEntry
+}
+
+func (v *Index) GetConflict(path string) (IndexConflict, error) {
+
+	var cancestor *C.git_index_entry
+	var cour *C.git_index_entry
+	var ctheir *C.git_index_entry
+
+	cpath := C.CString(path)
+	defer C.free(unsafe.Pointer(cpath))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_index_conflict_get(&cancestor, &cour, &ctheir, v.ptr, cpath)
+	if ecode < 0 {
+		return IndexConflict{}, MakeGitError(ecode)
+	}
+	return IndexConflict{
+		Ancestor: newIndexEntryFromC(cancestor),
+		Our:      newIndexEntryFromC(cour),
+		Their:    newIndexEntryFromC(ctheir),
+	}, nil
+}
+
+func (v *Index) RemoveConflict(path string) error {
+
+	cpath := C.CString(path)
+	defer C.free(unsafe.Pointer(cpath))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_index_conflict_remove(v.ptr, cpath)
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+type IndexConflictIterator struct {
+	ptr   *C.git_index_conflict_iterator
+	index *Index
+}
+
+func newIndexConflictIteratorFromC(index *Index, ptr *C.git_index_conflict_iterator) *IndexConflictIterator {
+	i := &IndexConflictIterator{ptr: ptr, index: index}
+	runtime.SetFinalizer(i, (*IndexConflictIterator).Free)
+	return i
+}
+
+func (v *IndexConflictIterator) Index() *Index {
+	return v.index
+}
+
+func (v *IndexConflictIterator) Free() {
+	runtime.SetFinalizer(v, nil)
+	C.git_index_conflict_iterator_free(v.ptr)
+}
+
+func (v *Index) ConflictIterator() (*IndexConflictIterator, error) {
+	var i *C.git_index_conflict_iterator
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_index_conflict_iterator_new(&i, v.ptr)
+	if ecode < 0 {
+		return nil, MakeGitError(ecode)
+	}
+	return newIndexConflictIteratorFromC(v, i), nil
+}
+
+func (v *IndexConflictIterator) Next() (IndexConflict, error) {
+	var cancestor *C.git_index_entry
+	var cour *C.git_index_entry
+	var ctheir *C.git_index_entry
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_index_conflict_next(&cancestor, &cour, &ctheir, v.ptr)
+	if ecode == C.GIT_ITEROVER {
+		return IndexConflict{}, ErrIterOver
+	}
+
+	if ecode < 0 {
+		return IndexConflict{}, MakeGitError(ecode)
+	}
+	return IndexConflict{
+		Ancestor: newIndexEntryFromC(cancestor),
+		Our:      newIndexEntryFromC(cour),
+		Their:    newIndexEntryFromC(ctheir),
+	}, nil
+}

merge.go

@@ -225,8 +225,7 @@ type MergeFileResult struct {
 	Automergeable bool
 	Path          string
 	Mode          uint
-	Contents      []byte // Contents of file, will be invalid after Free
-
+	Contents      []byte
 	ptr           *C.git_merge_file_result
 }
 
@@ -236,11 +235,14 @@ func newMergeFileResultFromC(c *C.git_merge_file_result) *MergeFileResult {
 		path = C.GoString(c.path)
 	}
 
+	originalBytes := C.GoBytes(unsafe.Pointer(c.ptr), C.int(c.len))
+	gobytes := make([]byte, len(originalBytes))
+	copy(gobytes, originalBytes)
 	r := &MergeFileResult{
 		Automergeable: c.automergeable != 0,
 		Path:          path,
 		Mode:          uint(c.mode),
-		Contents:      C.GoBytes(unsafe.Pointer(c.ptr), C.int(c.len)),
+		Contents:      gobytes,
 		ptr:           c,
 	}
 

object.go

@@ -48,7 +48,7 @@ func (t ObjectType) String() (string) {
 }
 
 func (o gitObject) Id() *Oid {
-	return newOidFromC(C.git_commit_id(o.ptr))
+	return newOidFromC(C.git_object_id(o.ptr))
 }
 
 func (o gitObject) Type() ObjectType {
@@ -57,24 +57,33 @@ func (o gitObject) Type() ObjectType {
 
 func (o *gitObject) Free() {
 	runtime.SetFinalizer(o, nil)
-	C.git_commit_free(o.ptr)
+	C.git_object_free(o.ptr)
 }
 
 func allocObject(cobj *C.git_object) Object {
 
 	switch ObjectType(C.git_object_type(cobj)) {
 	case ObjectCommit:
-		commit := &Commit{gitObject{cobj}}
+		commit := &Commit{
+			gitObject: gitObject{cobj},
+			cast_ptr:  (*C.git_commit)(cobj),
+		}
 		runtime.SetFinalizer(commit, (*Commit).Free)
 		return commit
 
 	case ObjectTree:
-		tree := &Tree{gitObject{cobj}}
+		tree := &Tree{
+			gitObject: gitObject{cobj},
+			cast_ptr:  (*C.git_tree)(cobj),
+		}
 		runtime.SetFinalizer(tree, (*Tree).Free)
 		return tree
 
 	case ObjectBlob:
-		blob := &Blob{gitObject{cobj}}
+		blob := &Blob{
+			gitObject: gitObject{cobj},
+			cast_ptr:  (*C.git_blob)(cobj),
+		}
 		runtime.SetFinalizer(blob, (*Blob).Free)
 		return blob
 	}

remote.go

@@ -184,7 +184,7 @@ func (repo *Repository) CreateRemoteWithFetchspec(name string, url string, fetch
 	return remote, nil
 }
 
-func (repo *Repository) CreateRemoteInMemory(fetch string, url string) (*Remote, error) {
+func (repo *Repository) CreateAnonymousRemote(url, fetch string) (*Remote, error) {
 	remote := &Remote{}
 
 	curl := C.CString(url)
@@ -195,7 +195,7 @@ func (repo *Repository) CreateRemoteInMemory(fetch string, url string) (*Remote,
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ret := C.git_remote_create_inmemory(&remote.ptr, repo.ptr, cfetch, curl)
+	ret := C.git_remote_create_anonymous(&remote.ptr, repo.ptr, curl, cfetch)
 	if ret < 0 {
 		return nil, MakeGitError(ret)
 	}

remote_test.go

@@ -10,7 +10,7 @@ func TestRefspecs(t *testing.T) {
 	defer os.RemoveAll(repo.Workdir())
 	defer repo.Free()
 
-	remote, err := repo.CreateRemoteInMemory("refs/heads/*:refs/heads/*", "git://foo/bar")
+	remote, err := repo.CreateAnonymousRemote("git://foo/bar", "refs/heads/*:refs/heads/*")
 	checkFatal(t, err)
 
 	expected := []string{

repository.go

@@ -239,7 +239,7 @@ func (v *Repository) CreateCommit(
 	if nparents > 0 {
 		cparents = make([]*C.git_commit, nparents)
 		for i, v := range parents {
-			cparents[i] = v.ptr
+			cparents[i] = v.cast_ptr
 		}
 		parentsarg = &cparents[0]
 	}
@@ -256,7 +256,7 @@ func (v *Repository) CreateCommit(
 	ret := C.git_commit_create(
 		oid.toC(), v.ptr, cref,
 		authorSig, committerSig,
-		nil, cmsg, tree.ptr, C.size_t(nparents), parentsarg)
+		nil, cmsg, tree.cast_ptr, C.size_t(nparents), parentsarg)
 
 	if ret < 0 {
 		return nil, MakeGitError(ret)
@@ -331,7 +331,7 @@ func (v *Repository) TreeBuilderFromTree(tree *Tree) (*TreeBuilder, error) {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	if ret := C.git_treebuilder_create(&bld.ptr, tree.ptr); ret < 0 {
+	if ret := C.git_treebuilder_create(&bld.ptr, tree.cast_ptr); ret < 0 {
 		return nil, MakeGitError(ret)
 	}
 	runtime.SetFinalizer(bld, (*TreeBuilder).Free)

script/build-libgit2.sh

@@ -11,7 +11,3 @@ cmake -DTHREADSAFE=ON \
       .
 
 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"

settings/settings.go

@@ -0,0 +1,109 @@
+package settings
+
+/*
+#cgo pkg-config: libgit2
+#include <git2.h>
+
+int _go_git_opts_get_search_path(int level, git_buf *buf)
+{
+    return git_libgit2_opts(GIT_OPT_GET_SEARCH_PATH, level, buf);
+}
+
+int _go_git_opts_set_search_path(int level, const char *path)
+{
+    return git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, level, path);
+}
+
+int _go_git_opts_set_size_t(int opt, size_t val)
+{
+    return git_libgit2_opts(opt, val);
+}
+
+int _go_git_opts_get_size_t(int opt, size_t *val)
+{
+    return git_libgit2_opts(opt, val);
+}
+
+*/
+import "C"
+import (
+	"runtime"
+	"unsafe"
+	"github.com/libgit2/git2go"
+)
+
+func MakeGitError(err C.int) error {
+	return git.MakeGitError2(int(err))
+}
+
+func SearchPath(level git.ConfigLevel) (string, error) {
+	var buf C.git_buf
+	defer C.git_buf_free(&buf)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	err := C._go_git_opts_get_search_path(C.int(level), &buf)
+	if err < 0 {
+		return "", MakeGitError(err)
+	}
+
+	return C.GoString(buf.ptr), nil
+}
+
+func SetSearchPath(level git.ConfigLevel, path string) error {
+	cpath := C.CString(path)
+	defer C.free(unsafe.Pointer(cpath))
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	err := C._go_git_opts_set_search_path(C.int(level), cpath)
+	if err < 0 {
+		return MakeGitError(err)
+	}
+
+	return nil
+}
+
+func getSizet(opt C.int) (int, error) {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	var val C.size_t
+	err := C._go_git_opts_get_size_t(opt, &val);
+	if err < 0 {
+		return 0, MakeGitError(err)
+	}
+
+	return int(val), nil
+}
+
+func setSizet(opt C.int, val int) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cval := C.size_t(val)
+	err := C._go_git_opts_set_size_t(opt, cval);
+	if err < 0 {
+		return MakeGitError(err)
+	}
+
+	return nil
+}
+
+func MwindowSize() (int, error) {
+	return getSizet(C.GIT_OPT_GET_MWINDOW_SIZE)
+}
+
+func SetMwindowSize(size int) error {
+	return setSizet(C.GIT_OPT_SET_MWINDOW_SIZE, size)
+}
+
+func MwindowMappedLimit() (int, error) {
+	return getSizet(C.GIT_OPT_GET_MWINDOW_MAPPED_LIMIT)
+}
+
+func SetMwindowMappedLimit(size int) error {
+	return setSizet(C.GIT_OPT_SET_MWINDOW_MAPPED_LIMIT, size)
+}

settings/settings_test.go

@@ -0,0 +1,66 @@
+package settings
+
+import (
+	"testing"
+	"runtime"
+	"github.com/libgit2/git2go"
+)
+
+type pathPair struct {
+	Level git.ConfigLevel
+	Path  string
+}
+
+func TestSearchPath(t *testing.T) {
+	paths := []pathPair{
+		pathPair{git.ConfigLevelSystem, "/tmp/system"},
+		pathPair{git.ConfigLevelGlobal, "/tmp/global"},
+		pathPair{git.ConfigLevelXDG, "/tmp/xdg"},
+	}
+
+	for _, pair := range paths {
+		err := SetSearchPath(pair.Level, pair.Path)
+		checkFatal(t, err)
+
+		actual, err := SearchPath(pair.Level)
+		checkFatal(t, err)
+
+		if pair.Path != actual {
+			t.Fatal("Search paths don't match")
+		}
+	}
+}
+
+func TestMmapSizes(t *testing.T) {
+	size := 42 * 1024
+
+	err := SetMwindowSize(size)
+	checkFatal(t, err)
+
+	actual, err := MwindowSize()
+	if size != actual {
+		t.Fatal("Sizes don't match")
+	}
+
+	err = SetMwindowMappedLimit(size)
+	checkFatal(t, err)
+
+	actual, err = MwindowMappedLimit()
+	if size != actual {
+		t.Fatal("Sizes don't match")
+	}
+}
+
+func checkFatal(t *testing.T, err error) {
+	if err == nil {
+		return
+	}
+
+	// The failure happens at wherever we were called, not here
+	_, file, line, ok := runtime.Caller(1)
+	if !ok {
+		t.Fatal()
+	}
+
+	t.Fatalf("Fail at %v:%v; %v", file, line, err)
+}

submodule.go

@@ -291,12 +291,7 @@ func (sub *Submodule) Reload(force bool) error {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	cforce := C.int(0)
-	if force {
-		cforce = C.int(1)
-	}
-
-	ret := C.git_submodule_reload(sub.ptr, cforce)
+	ret := C.git_submodule_reload(sub.ptr, cbool(force))
 	if ret < 0 {
 		return MakeGitError(ret)
 	}
@@ -307,12 +302,7 @@ func (repo *Repository) ReloadAllSubmodules(force bool) error {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	cforce := C.int(0)
-	if force {
-		cforce = C.int(1)
-	}
-
-	ret := C.git_submodule_reload_all(repo.ptr, cforce)
+	ret := C.git_submodule_reload_all(repo.ptr, cbool(force))
 	if ret < 0 {
 		return MakeGitError(ret)
 	}

tree.go

@@ -26,6 +26,7 @@ const (
 
 type Tree struct {
 	gitObject
+	cast_ptr *C.git_tree
 }
 
 type TreeEntry struct {
@@ -48,7 +49,7 @@ func (t Tree) EntryByName(filename string) *TreeEntry {
 	cname := C.CString(filename)
 	defer C.free(unsafe.Pointer(cname))
 
-	entry := C.git_tree_entry_byname(t.ptr, cname)
+	entry := C.git_tree_entry_byname(t.cast_ptr, cname)
 	if entry == nil {
 		return nil
 	}
@@ -66,7 +67,7 @@ func (t Tree) EntryByPath(path string) (*TreeEntry, error) {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	ret := C.git_tree_entry_bypath(&entry, t.ptr, cpath)
+	ret := C.git_tree_entry_bypath(&entry, t.cast_ptr, cpath)
 	if ret < 0 {
 		return nil, MakeGitError(ret)
 	}
@@ -75,7 +76,7 @@ func (t Tree) EntryByPath(path string) (*TreeEntry, error) {
 }
 
 func (t Tree) EntryByIndex(index uint64) *TreeEntry {
-	entry := C.git_tree_entry_byindex(t.ptr, C.size_t(index))
+	entry := C.git_tree_entry_byindex(t.cast_ptr, C.size_t(index))
 	if entry == nil {
 		return nil
 	}
@@ -84,7 +85,7 @@ func (t Tree) EntryByIndex(index uint64) *TreeEntry {
 }
 
 func (t Tree) EntryCount() uint64 {
-	num := C.git_tree_entrycount(t.ptr)
+	num := C.git_tree_entrycount(t.cast_ptr)
 	return uint64(num)
 }
 
@@ -104,7 +105,7 @@ func (t Tree) Walk(callback TreeWalkCallback) error {
 	defer runtime.UnlockOSThread()
 
 	err := C._go_git_treewalk(
-		t.ptr,
+		t.cast_ptr,
 		C.GIT_TREEWALK_PRE,
 		unsafe.Pointer(&callback),
 	)

walk.go

@@ -9,6 +9,7 @@ import "C"
 import (
 	"io"
 	"runtime"
+	"unsafe"
 )
 
 // RevWalk
@@ -37,8 +38,57 @@ func (v *RevWalk) Reset() {
 	C.git_revwalk_reset(v.ptr)
 }
 
-func (v *RevWalk) Push(id *Oid) {
-	C.git_revwalk_push(v.ptr, id.toC())
+func (v *RevWalk) Push(id *Oid) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_revwalk_push(v.ptr, id.toC())
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+func (v *RevWalk) PushGlob(glob string) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cstr := C.CString(glob)
+	defer C.free(unsafe.Pointer(cstr))
+
+	ecode := C.git_revwalk_push_glob(v.ptr, cstr)
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+func (v *RevWalk) PushRange(r string) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cstr := C.CString(r)
+	defer C.free(unsafe.Pointer(cstr))
+
+	ecode := C.git_revwalk_push_range(v.ptr, cstr)
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+func (v *RevWalk) PushRef(r string) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cstr := C.CString(r)
+	defer C.free(unsafe.Pointer(cstr))
+
+	ecode := C.git_revwalk_push_ref(v.ptr, cstr)
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
 }
 
 func (v *RevWalk) PushHead() (err error) {
@@ -49,8 +99,57 @@ func (v *RevWalk) PushHead() (err error) {
 	if ecode < 0 {
 		err = MakeGitError(ecode)
 	}
+	return nil
+}
 
-	return
+func (v *RevWalk) Hide(id *Oid) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_revwalk_hide(v.ptr, id.toC())
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+func (v *RevWalk) HideGlob(glob string) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cstr := C.CString(glob)
+	defer C.free(unsafe.Pointer(cstr))
+
+	ecode := C.git_revwalk_hide_glob(v.ptr, cstr)
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+func (v *RevWalk) HideRef(r string) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cstr := C.CString(r)
+	defer C.free(unsafe.Pointer(cstr))
+
+	ecode := C.git_revwalk_hide_ref(v.ptr, cstr)
+	if ecode < 0 {
+		return MakeGitError(ecode)
+	}
+	return nil
+}
+
+func (v *RevWalk) HideHead() (err error) {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ecode := C.git_revwalk_hide_head(v.ptr)
+	if ecode < 0 {
+		err = MakeGitError(ecode)
+	}
+	return nil
 }
 
 func (v *RevWalk) Next(id *Oid) (err error) {