Default signature

1 files changed, 73 insertions, 0 deletions

diff --git a/signature.go b/signature.go
new file mode 100644
index 0000000..0518387
--- /dev/null
+++ b/signature.go
@@ -0,0 +1,73 @@
+package git
+
+/*
+#include <git2.h>
+*/
+import "C"
+import (
+	"runtime"
+	"time"
+	"unsafe"
+)
+
+type Signature struct {
+	Name  string
+	Email string
+	When  time.Time
+}
+
+func newSignatureFromC(sig *C.git_signature) *Signature {
+	// git stores minutes, go wants seconds
+	loc := time.FixedZone("", int(sig.when.offset)*60)
+	return &Signature{
+		C.GoString(sig.name),
+		C.GoString(sig.email),
+		time.Unix(int64(sig.when.time), 0).In(loc),
+	}
+}
+
+// the offset in mintes, which is what git wants
+func (v *Signature) Offset() int {
+	_, offset := v.When.Zone()
+	return offset / 60
+}
+
+func (sig *Signature) toC() (*C.git_signature, error) {
+	if sig == nil {
+		return nil, nil
+	}
+
+	var out *C.git_signature
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	name := C.CString(sig.Name)
+	defer C.free(unsafe.Pointer(name))
+
+	email := C.CString(sig.Email)
+	defer C.free(unsafe.Pointer(email))
+
+	ret := C.git_signature_new(&out, name, email, C.git_time_t(sig.When.Unix()), C.int(sig.Offset()))
+	if ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+
+	return out, nil
+}
+
+func (repo *Repository) DefaultSignature() (*Signature, error) {
+	var out *C.git_signature
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cErr := C.git_signature_default(&out, repo.ptr)
+	if cErr < 0 {
+		return nil, MakeGitError(cErr)
+	}
+
+	defer C.git_signature_free(out)
+
+	return newSignatureFromC(out), nil
+}