From 79fe156d307a9c7b294aa92c741dc0c2759a1894 Mon Sep 17 00:00:00 2001
From: Vadzim Ramanenka <vadromanenko@gmail.com>
Date: Mon, 17 Jul 2017 13:12:43 +0300
Subject: Add binding for `git_index_add_frombuffer`

---
 index.go | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'index.go')

diff --git a/index.go b/index.go
index 5106516..d7a1e5f 100644
--- a/index.go
+++ b/index.go
@@ -90,7 +90,9 @@ func populateCIndexEntry(source *IndexEntry, dest *C.git_index_entry) {
 	dest.uid = C.uint32_t(source.Uid)
 	dest.gid = C.uint32_t(source.Gid)
 	dest.file_size = C.uint32_t(source.Size)
-	dest.id = *source.Id.toC()
+	if source.Id != nil {
+		dest.id = *source.Id.toC()
+	}
 	dest.path = C.CString(source.Path)
 }
 
@@ -181,6 +183,28 @@ func (v *Index) AddByPath(path string) error {
 	return nil
 }
 
+// AddFromBuffer adds or replaces an index entry from a buffer in memory
+func (v *Index) AddFromBuffer(entry *IndexEntry, buffer []byte) error {
+	var centry C.git_index_entry
+
+	populateCIndexEntry(entry, &centry)
+	defer freeCIndexEntry(&centry)
+
+	var cbuffer unsafe.Pointer
+	if len(buffer) > 0 {
+		cbuffer = unsafe.Pointer(&buffer[0])
+	}
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	if err := C.git_index_add_frombuffer(v.ptr, &centry, cbuffer, C.size_t(len(buffer))); err < 0 {
+		return MakeGitError(err)
+	}
+
+	return nil
+}
+
 func (v *Index) AddAll(pathspecs []string, flags IndexAddOpts, callback IndexMatchedPathCallback) error {
 	cpathspecs := C.git_strarray{}
 	cpathspecs.count = C.size_t(len(pathspecs))
-- 
cgit v1.2.3


From 00374b39aad728f34eeadbb575ac607acbfa205a Mon Sep 17 00:00:00 2001
From: lhchavez <lhchavez@lhchavez.com>
Date: Sun, 23 Feb 2020 14:38:10 +0000
Subject: Update the method name

---
 index.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'index.go')

diff --git a/index.go b/index.go
index 32acd14..50538bd 100644
--- a/index.go
+++ b/index.go
@@ -212,7 +212,7 @@ func (v *Index) AddFromBuffer(entry *IndexEntry, buffer []byte) error {
 	runtime.LockOSThread()
 	defer runtime.UnlockOSThread()
 
-	if err := C.git_index_add_frombuffer(v.ptr, &centry, cbuffer, C.size_t(len(buffer))); err < 0 {
+	if err := C.git_index_add_from_buffer(v.ptr, &centry, cbuffer, C.size_t(len(buffer))); err < 0 {
 		return MakeGitError(err)
 	}
 
-- 
cgit v1.2.3