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Copy pathrefspec.go
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149 lines (116 loc) · 3.13 KB
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Copy pathrefspec.go
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149 lines (116 loc) · 3.13 KB
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package git
/*
#include <git2.h>
*/
import "C"
import (
"runtime"
"unsafe"
)
type Refspec struct {
doNotCompare
ptr *C.git_refspec
}
// ParseRefspec parses a given refspec string
func ParseRefspec(input string, isFetch bool) (*Refspec, error) {
var ptr *C.git_refspec
cinput := C.CString(input)
defer C.free(unsafe.Pointer(cinput))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_refspec_parse(&ptr, cinput, cbool(isFetch))
if ret < 0 {
return nil, MakeGitError(ret)
}
spec := &Refspec{ptr: ptr}
runtime.SetFinalizer(spec, (*Refspec).Free)
return spec, nil
}
// Free releases a refspec object which has been created by ParseRefspec
func (s *Refspec) Free() {
runtime.SetFinalizer(s, nil)
C.git_refspec_free(s.ptr)
}
// Direction returns the refspec's direction
func (s *Refspec) Direction() ConnectDirection {
direction := C.git_refspec_direction(s.ptr)
return ConnectDirection(direction)
}
// Src returns the refspec's source specifier
func (s *Refspec) Src() string {
var ret string
cstr := C.git_refspec_src(s.ptr)
if cstr != nil {
ret = C.GoString(cstr)
}
runtime.KeepAlive(s)
return ret
}
// Dst returns the refspec's destination specifier
func (s *Refspec) Dst() string {
var ret string
cstr := C.git_refspec_dst(s.ptr)
if cstr != nil {
ret = C.GoString(cstr)
}
runtime.KeepAlive(s)
return ret
}
// Force returns the refspec's force-update setting
func (s *Refspec) Force() bool {
force := C.git_refspec_force(s.ptr)
return force != 0
}
// String returns the refspec's string representation
func (s *Refspec) String() string {
var ret string
cstr := C.git_refspec_string(s.ptr)
if cstr != nil {
ret = C.GoString(cstr)
}
runtime.KeepAlive(s)
return ret
}
// SrcMatches checks if a refspec's source descriptor matches a reference
func (s *Refspec) SrcMatches(refname string) bool {
cname := C.CString(refname)
defer C.free(unsafe.Pointer(cname))
matches := C.git_refspec_src_matches(s.ptr, cname)
return matches != 0
}
// SrcMatches checks if a refspec's destination descriptor matches a reference
func (s *Refspec) DstMatches(refname string) bool {
cname := C.CString(refname)
defer C.free(unsafe.Pointer(cname))
matches := C.git_refspec_dst_matches(s.ptr, cname)
return matches != 0
}
// Transform a reference to its target following the refspec's rules
func (s *Refspec) Transform(refname string) (string, error) {
buf := C.git_buf{}
cname := C.CString(refname)
defer C.free(unsafe.Pointer(cname))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_refspec_transform(&buf, s.ptr, cname)
if ret < 0 {
return "", MakeGitError(ret)
}
defer C.git_buf_dispose(&buf)
return C.GoString(buf.ptr), nil
}
// Rtransform converts a target reference to its source reference following the
// refspec's rules
func (s *Refspec) Rtransform(refname string) (string, error) {
buf := C.git_buf{}
cname := C.CString(refname)
defer C.free(unsafe.Pointer(cname))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_refspec_rtransform(&buf, s.ptr, cname)
if ret < 0 {
return "", MakeGitError(ret)
}
defer C.git_buf_dispose(&buf)
return C.GoString(buf.ptr), nil
}