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|
package git
/*
#include <git2.h>
*/
import "C"
import (
"runtime"
"unsafe"
)
type BranchType uint
const (
BranchAll BranchType = C.GIT_BRANCH_ALL
BranchLocal BranchType = C.GIT_BRANCH_LOCAL
BranchRemote BranchType = C.GIT_BRANCH_REMOTE
)
type Branch struct {
*Reference
}
func (r *Reference) Branch() *Branch {
return &Branch{Reference: r}
}
type BranchIterator struct {
ptr *C.git_branch_iterator
repo *Repository
}
type BranchIteratorFunc func(*Branch, BranchType) error
func newBranchIteratorFromC(repo *Repository, ptr *C.git_branch_iterator) *BranchIterator {
i := &BranchIterator{repo: repo, ptr: ptr}
runtime.SetFinalizer(i, (*BranchIterator).Free)
return i
}
func (i *BranchIterator) Next() (*Branch, BranchType, error) {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
var refPtr *C.git_reference
var refType C.git_branch_t
ecode := C.git_branch_next(&refPtr, &refType, i.ptr)
if ecode < 0 {
return nil, BranchLocal, MakeGitError(ecode)
}
branch := newReferenceFromC(refPtr, i.repo).Branch()
return branch, BranchType(refType), nil
}
func (i *BranchIterator) Free() {
runtime.SetFinalizer(i, nil)
C.git_branch_iterator_free(i.ptr)
}
func (i *BranchIterator) ForEach(f BranchIteratorFunc) error {
b, t, err := i.Next()
for err == nil {
err = f(b, t)
if err == nil {
b, t, err = i.Next()
}
}
if err != nil && IsErrorCode(err, ErrIterOver) {
return nil
}
return err
}
func (repo *Repository) NewBranchIterator(flags BranchType) (*BranchIterator, error) {
refType := C.git_branch_t(flags)
var ptr *C.git_branch_iterator
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ecode := C.git_branch_iterator_new(&ptr, repo.ptr, refType)
runtime.KeepAlive(repo)
if ecode < 0 {
return nil, MakeGitError(ecode)
}
return newBranchIteratorFromC(repo, ptr), nil
}
func (repo *Repository) CreateBranch(branchName string, target *Commit, force bool) (*Branch, error) {
var ptr *C.git_reference
cBranchName := C.CString(branchName)
defer C.free(unsafe.Pointer(cBranchName))
cForce := cbool(force)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_create(&ptr, repo.ptr, cBranchName, target.cast_ptr, cForce)
runtime.KeepAlive(repo)
runtime.KeepAlive(target)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newReferenceFromC(ptr, repo).Branch(), nil
}
func (b *Branch) Delete() error {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_delete(b.Reference.ptr)
runtime.KeepAlive(b.Reference)
if ret < 0 {
return MakeGitError(ret)
}
return nil
}
func (b *Branch) Move(newBranchName string, force bool) (*Branch, error) {
var ptr *C.git_reference
cNewBranchName := C.CString(newBranchName)
defer C.free(unsafe.Pointer(cNewBranchName))
cForce := cbool(force)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_move(&ptr, b.Reference.ptr, cNewBranchName, cForce)
runtime.KeepAlive(b.Reference)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newReferenceFromC(ptr, b.repo).Branch(), nil
}
func (b *Branch) IsHead() (bool, error) {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_is_head(b.Reference.ptr)
runtime.KeepAlive(b.Reference)
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) {
var ptr *C.git_reference
cName := C.CString(branchName)
defer C.free(unsafe.Pointer(cName))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_lookup(&ptr, repo.ptr, cName, C.git_branch_t(bt))
runtime.KeepAlive(repo)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newReferenceFromC(ptr, repo).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.Reference.ptr)
runtime.KeepAlive(b.Reference)
if ret < 0 {
return "", MakeGitError(ret)
}
return C.GoString(cName), nil
}
func (repo *Repository) RemoteName(canonicalBranchName string) (string, error) {
cName := C.CString(canonicalBranchName)
defer C.free(unsafe.Pointer(cName))
nameBuf := C.git_buf{}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_remote_name(&nameBuf, repo.ptr, cName)
runtime.KeepAlive(repo)
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)
defer C.free(unsafe.Pointer(cName))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_set_upstream(b.Reference.ptr, cName)
runtime.KeepAlive(b.Reference)
if ret < 0 {
return MakeGitError(ret)
}
return nil
}
func (b *Branch) Upstream() (*Reference, error) {
var ptr *C.git_reference
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_upstream(&ptr, b.Reference.ptr)
runtime.KeepAlive(b.Reference)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newReferenceFromC(ptr, b.repo), nil
}
func (repo *Repository) UpstreamName(canonicalBranchName string) (string, error) {
cName := C.CString(canonicalBranchName)
defer C.free(unsafe.Pointer(cName))
nameBuf := C.git_buf{}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_upstream_name(&nameBuf, repo.ptr, cName)
runtime.KeepAlive(repo)
if ret < 0 {
return "", MakeGitError(ret)
}
defer C.git_buf_free(&nameBuf)
return C.GoString(nameBuf.ptr), nil
}
|
