git2go/signature.go

99 lines
1.9 KiB
Go

package git
/*
#include <git2.h>
*/
import "C"
import (
"fmt"
"math"
"runtime"
"time"
"unsafe"
)
type Signature struct {
Name string
Email string
When time.Time
}
func newSignatureFromC(sig *C.git_signature) *Signature {
if sig == nil {
return nil
}
// 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),
}
}
// Offset returns the time zone offset of sig.When in minutes, which is what git wants.
func (sig *Signature) Offset() int {
_, offset := sig.When.Zone()
return offset / 60
}
// ToString creates a string representation of signature, optionally with time.
func (sig *Signature) ToString(withTime bool) string {
str := sig.Name + " <" + sig.Email + ">"
if !withTime {
return str
}
offsetModulus := int(math.Abs(float64(sig.Offset())))
sign := "+"
if sig.Offset() < 0 {
sign = "-"
}
return str + fmt.Sprintf(" %d %s%02d%02d", sig.When.Unix(), sign, offsetModulus/60, offsetModulus%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)
runtime.KeepAlive(repo)
if cErr < 0 {
return nil, MakeGitError(cErr)
}
defer C.git_signature_free(out)
return newSignatureFromC(out), nil
}