diff --git a/branch.go b/branch.go new file mode 100644 index 0000000..aee23e4 --- /dev/null +++ b/branch.go @@ -0,0 +1,193 @@ +package git + +/* +#cgo pkg-config: libgit2 +#include +#include +*/ +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 +}