func diffOptionsToC(opts *DiffOptions) (copts *C.git_diff_options, notifyData *diffNotifyData) {
cpathspec := C.git_strarray{}
if opts != nil {
notifyData = &diffNotifyData{
Callback: opts.NotifyCallback,
}
if opts.Pathspec != nil {
cpathspec.count = C.size_t(len(opts.Pathspec))
cpathspec.strings = makeCStringsFromStrings(opts.Pathspec)
}
copts = &C.git_diff_options{
version: C.GIT_DIFF_OPTIONS_VERSION,
flags: C.uint32_t(opts.Flags),
ignore_submodules: C.git_submodule_ignore_t(opts.IgnoreSubmodules),
pathspec: cpathspec,
context_lines: C.uint32_t(opts.ContextLines),
interhunk_lines: C.uint32_t(opts.InterhunkLines),
id_abbrev: C.uint16_t(opts.IdAbbrev),
max_size: C.git_off_t(opts.MaxSize),
old_prefix: C.CString(opts.OldPrefix),
new_prefix: C.CString(opts.NewPrefix),
}
if opts.NotifyCallback != nil {
C._go_git_setup_diff_notify_callbacks(copts)
copts.notify_payload = unsafe.Pointer(notifyData)
}
}
return
}
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 (v *Repository) DiffTreeToTree(oldTree, newTree *Tree, opts *DiffOptions) (*Diff, error) {
var diffPtr *C.git_diff
var oldPtr, newPtr *C.git_tree
if oldTree != nil {
oldPtr = oldTree.cast_ptr
}
if newTree != nil {
newPtr = newTree.cast_ptr
}
cpathspec := C.git_strarray{}
var copts *C.git_diff_options
var notifyData *diffNotifyData
if opts != nil {
notifyData = &diffNotifyData{
Callback: opts.NotifyCallback,
}
if opts.Pathspec != nil {
cpathspec.count = C.size_t(len(opts.Pathspec))
cpathspec.strings = makeCStringsFromStrings(opts.Pathspec)
defer freeStrarray(&cpathspec)
}
copts = &C.git_diff_options{
version: C.GIT_DIFF_OPTIONS_VERSION,
flags: C.uint32_t(opts.Flags),
ignore_submodules: C.git_submodule_ignore_t(opts.IgnoreSubmodules),
pathspec: cpathspec,
context_lines: C.uint16_t(opts.ContextLines),
interhunk_lines: C.uint16_t(opts.InterhunkLines),
id_abbrev: C.uint16_t(opts.IdAbbrev),
max_size: C.git_off_t(opts.MaxSize),
}
if opts.NotifyCallback != nil {
C._go_git_setup_diff_notify_callbacks(copts)
copts.notify_payload = unsafe.Pointer(notifyData)
}
}
ecode := C.git_diff_tree_to_tree(&diffPtr, v.ptr, oldPtr, newPtr, copts)
if ecode < 0 {
return nil, MakeGitError(ecode)
}
if notifyData != nil && notifyData.Diff != nil {
return notifyData.Diff, nil
}
return newDiffFromC(diffPtr), nil
}
// NewWriteStream opens a write stream to the ODB, which allows you to
// create a new object in the database. The size and type must be
// known in advance
func (v *Odb) NewWriteStream(size int64, otype ObjectType) (*OdbWriteStream, error) {
stream := new(OdbWriteStream)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_odb_open_wstream(&stream.ptr, v.ptr, C.git_off_t(size), C.git_otype(otype))
if ret < 0 {
return nil, MakeGitError(ret)
}
runtime.SetFinalizer(stream, (*OdbWriteStream).Free)
return stream, nil
}