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package git
/*
#cgo pkg-config: libgit2
#include <git2.h>
#include <git2/errors.h>
*/
import "C"
import (
"unsafe"
"runtime"
)
// Repository
type Repository struct {
ptr *C.git_repository
}
func Open(path string) (*Repository, error) {
repo := new(Repository)
cpath := C.CString(path)
defer C.free(unsafe.Pointer(cpath))
ret := C.git_repository_open(&repo.ptr, cpath)
if ret < 0 {
return nil, LastError()
}
runtime.SetFinalizer(repo, (*Repository).Free)
return repo, nil
}
func Init(path string, isbare bool) (*Repository, error) {
repo := new(Repository)
cpath := C.CString(path)
defer C.free(unsafe.Pointer(cpath))
ret := C.git_repository_init(&repo.ptr, cpath, ucbool(isbare))
if ret < 0 {
return nil, LastError()
}
runtime.SetFinalizer(repo, (*Repository).Free)
return repo, nil
}
func (v *Repository) Free() {
runtime.SetFinalizer(v, nil)
C.git_repository_free(v.ptr)
}
func (v *Repository) Config() (*Config, error) {
config := new(Config)
ret := C.git_repository_config(&config.ptr, v.ptr)
if ret < 0 {
return nil, LastError()
}
return config, nil
}
func (v *Repository) Index() (*Index, error) {
var ptr *C.git_index
ret := C.git_repository_index(&ptr, v.ptr)
if ret < 0 {
return nil, LastError()
}
return newIndexFromC(ptr), nil
}
func (v *Repository) LookupTree(oid *Oid) (*Tree, error) {
tree := new(Tree)
ret := C.git_tree_lookup(&tree.ptr, v.ptr, oid.toC())
if ret < 0 {
return nil, LastError()
}
return tree, nil
}
func (v *Repository) LookupCommit(o *Oid) (*Commit, error) {
commit := new(Commit)
ecode := C.git_commit_lookup(&commit.ptr, v.ptr, o.toC())
if ecode < 0 {
return nil, LastError()
}
return commit, nil
}
func (v *Repository) Walk() (*RevWalk, error) {
walk := new(RevWalk)
ecode := C.git_revwalk_new(&walk.ptr, v.ptr)
if ecode < 0 {
return nil, LastError()
}
walk.repo = v
runtime.SetFinalizer(walk, freeRevWalk)
return walk, nil
}
func (v *Repository) CreateCommit(
refname string, author, committer *Signature,
message string, tree *Tree, parents ...*Commit) (*Oid, error) {
oid := new(Oid)
cref := C.CString(refname)
defer C.free(unsafe.Pointer(cref))
cmsg := C.CString(message)
defer C.free(unsafe.Pointer(cmsg))
var cparents []*C.git_commit = nil
var parentsarg **C.git_commit = nil
nparents:= len(parents)
if nparents > 0 {
cparents = make([]*C.git_commit, nparents)
for i, v := range parents {
cparents[i] = v.ptr
}
parentsarg = &cparents[0]
}
authorSig := author.toC()
defer C.git_signature_free(authorSig)
committerSig := committer.toC()
defer C.git_signature_free(committerSig)
ret := C.git_commit_create(
oid.toC(), v.ptr, cref,
authorSig, committerSig,
nil, cmsg, tree.ptr, C.int(nparents), parentsarg)
if ret < 0 {
return nil, LastError()
}
return oid, nil
}
func (v *Odb) Free() {
runtime.SetFinalizer(v, nil)
C.git_odb_free(v.ptr)
}
func (v *Repository) Odb() (odb *Odb, err error) {
odb = new(Odb)
if ret := C.git_repository_odb(&odb.ptr, v.ptr); ret < 0 {
return nil, LastError()
}
runtime.SetFinalizer(odb, (*Odb).Free)
return
}
func (v *Repository) TreeBuilder() (*TreeBuilder, error) {
bld := new(TreeBuilder)
if ret := C.git_treebuilder_create(&bld.ptr, nil); ret < 0 {
return nil, LastError()
}
bld.repo = v
return bld, nil
}
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