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