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package git
/*
#include <git2.h>
*/
import "C"
import (
"runtime"
"unsafe"
)
// Trailer represents a single git message trailer.
type Trailer struct {
Key string
Value string
}
// MessageTrailers parses trailers out of a message, returning a slice of
// Trailer structs. Trailers are key/value pairs in the last paragraph of a
// message, not including any patches or conflicts that may be present.
func MessageTrailers(message string) ([]Trailer, error) {
var trailersC C.git_message_trailer_array
messageC := C.CString(message)
defer C.free(unsafe.Pointer(messageC))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ecode := C.git_message_trailers(&trailersC, messageC)
if ecode < 0 {
return nil, MakeGitError(ecode)
}
defer C.git_message_trailer_array_free(&trailersC)
trailers := make([]Trailer, trailersC.count)
var trailer *C.git_message_trailer
for i, p := 0, uintptr(unsafe.Pointer(trailersC.trailers)); i < int(trailersC.count); i, p = i+1, p+unsafe.Sizeof(C.git_message_trailer{}) {
trailer = (*C.git_message_trailer)(unsafe.Pointer(p))
trailers[i] = Trailer{Key: C.GoString(trailer.key), Value: C.GoString(trailer.value)}
}
return trailers, nil
}
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