From ad02c37e6d57dddf25d9c72a788a447dd7d5de12 Mon Sep 17 00:00:00 2001 From: Segev Finer Date: Wed, 29 May 2019 17:55:37 +0300 Subject: [PATCH] Add Diff.ToBuf wrapping git_diff_to_buf --- diff.go | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/diff.go b/diff.go index 20eb9e8..b025edd 100644 --- a/diff.go +++ b/diff.go @@ -405,6 +405,36 @@ func (diff *Diff) Patch(deltaIndex int) (*Patch, error) { return newPatchFromC(patchPtr), nil } +type DiffFormat int + +const ( + DiffFormatPatch DiffFormat = C.GIT_DIFF_FORMAT_PATCH + DiffFormatPatchHeader DiffFormat = C.GIT_DIFF_FORMAT_PATCH_HEADER + DiffFormatRaw DiffFormat = C.GIT_DIFF_FORMAT_RAW + DiffFormatNameOnly DiffFormat = C.GIT_DIFF_FORMAT_NAME_ONLY + DiffFormatNameStatus DiffFormat = C.GIT_DIFF_FORMAT_NAME_STATUS +) + +func (diff *Diff) ToBuf(format DiffFormat) ([]byte, error) { + if diff.ptr == nil { + return nil, ErrInvalid + } + + diffBuf := C.git_buf{} + + runtime.LockOSThread() + defer runtime.UnlockOSThread() + + ecode := C.git_diff_to_buf(&diffBuf, diff.ptr, C.git_diff_format_t(format)) + runtime.KeepAlive(diff) + if ecode < 0 { + return nil, MakeGitError(ecode) + } + defer C.git_buf_free(&diffBuf) + + return C.GoBytes(unsafe.Pointer(diffBuf.ptr), C.int(diffBuf.size)), nil +} + type DiffOptionsFlag int const ( -- 2.45.2