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package git
/*
#cgo pkg-config: libgit2
#include <git2.h>
#include <git2/errors.h>
*/
import "C"
import (
"unsafe"
)
type BranchType uint
const (
BranchLocal BranchType = C.GIT_BRANCH_LOCAL
BranchRemote = C.GIT_BRANCH_REMOTE
)
const (
RefsDir = "refs/"
RefsHeadsDir = RefsDir + "heads/"
RefsTagsDir = RefsDir + "tags/"
RefsRemotesDir = RefsDir + "remotes/"
)
type Branch struct {
Reference
}
func (repo *Repository) CreateBranch(branchName string, target *Commit, force bool, signature *Signature, message string) (*Reference, error) {
ref := new(Reference)
cBranchName := C.CString(branchName)
cForce := cbool(force)
cSignature := signature.toC()
defer C.git_signature_free(cSignature)
cMessage := C.CString(message)
defer C.free(unsafe.Pointer(cMessage))
err := C.git_branch_create(&ref.ptr, repo.ptr, cBranchName, target.ptr, cForce, cSignature, cMessage)
if err < 0 {
return nil, LastError()
}
return ref, nil
}
func (b *Branch) BranchDelete() error {
if err := C.git_branch_delete(b.ptr); err < 0 {
return LastError()
}
return nil
}
func (b *Branch) Move(newBranchName string, force bool, signature *Signature, message string) (*Branch, error) {
newBranch := new(Branch)
cNewBranchName := C.CString(newBranchName)
cForce := cbool(force)
cSignature := signature.toC()
defer C.git_signature_free(cSignature)
cMessage := C.CString(message)
defer C.free(unsafe.Pointer(cMessage))
err := C.git_branch_move(&newBranch.ptr, b.ptr, cNewBranchName, cForce, cSignature, cMessage)
if err < 0 {
return nil, LastError()
}
return newBranch, nil
}
func (b *Branch) IsHead() (bool, error) {
isHead := C.git_branch_is_head(b.ptr)
switch isHead {
case 1:
return true, nil
case 0:
return false, nil
default:
return false, LastError()
}
}
func (repo *Repository) LookupBranch(branchName string, bt BranchType) (*Branch, error) {
branch := new(Branch)
cName := C.CString(branchName)
err := C.git_branch_lookup(&branch.ptr, repo.ptr, cName, C.git_branch_t(bt))
if err < 0 {
return nil, LastError()
}
return branch, nil
}
func (b *Branch) Name() (string, error) {
var cName *C.char
defer C.free(unsafe.Pointer(cName))
err := C.git_branch_name(&cName, b.ptr)
if err < 0 {
return "", LastError()
}
return C.GoString(cName), nil
}
func (repo *Repository) RemoteName(canonicalBranchName string) (string, error) {
cName := C.CString(canonicalBranchName)
nameBuf := C.git_buf{}
if C.git_branch_remote_name(&nameBuf, repo.ptr, cName) < 0 {
return "", LastError()
}
C.git_buf_free(&nameBuf)
return C.GoStringN(nameBuf.ptr, C.int(nameBuf.size)), nil
}
func (b *Branch) SetUpstream(upstreamName string) error {
cName := C.CString(upstreamName)
err := C.git_branch_set_upstream(b.ptr, cName)
if err < 0 {
return LastError()
}
return nil
}
func (b *Branch) Upstream() (*Branch, error) {
upstream := new(Branch)
err := C.git_branch_upstream(&upstream.ptr, b.ptr)
if err < 0 {
return nil, LastError()
}
return upstream, nil
}
func (repo *Repository) UpstreamName(canonicalBranchName string) (string, error) {
cName := C.CString(canonicalBranchName)
nameBuf := C.git_buf{}
if C.git_branch_upstream_name(&nameBuf, repo.ptr, cName) < 0 {
return "", LastError()
}
C.git_buf_free(&nameBuf)
return C.GoStringN(nameBuf.ptr, C.int(nameBuf.size)), nil
}
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