gitea-tea/vendor/gopkg.in/src-d/go-git.v4/plumbing/protocol/packp/common.go

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package packp
import (
"fmt"
)
type stateFn func() stateFn
const (
// common
hashSize = 40
// advrefs
head = "HEAD"
noHead = "capabilities^{}"
)
var (
// common
sp = []byte(" ")
eol = []byte("\n")
eq = []byte{'='}
// advertised-refs
null = []byte("\x00")
peeled = []byte("^{}")
noHeadMark = []byte(" capabilities^{}\x00")
// upload-request
want = []byte("want ")
shallow = []byte("shallow ")
deepen = []byte("deepen")
deepenCommits = []byte("deepen ")
deepenSince = []byte("deepen-since ")
deepenReference = []byte("deepen-not ")
// shallow-update
unshallow = []byte("unshallow ")
// server-response
ack = []byte("ACK")
nak = []byte("NAK")
// updreq
shallowNoSp = []byte("shallow")
)
func isFlush(payload []byte) bool {
return len(payload) == 0
}
// ErrUnexpectedData represents an unexpected data decoding a message
type ErrUnexpectedData struct {
Msg string
Data []byte
}
// NewErrUnexpectedData returns a new ErrUnexpectedData containing the data and
// the message given
func NewErrUnexpectedData(msg string, data []byte) error {
return &ErrUnexpectedData{Msg: msg, Data: data}
}
func (err *ErrUnexpectedData) Error() string {
if len(err.Data) == 0 {
return err.Msg
}
return fmt.Sprintf("%s (%s)", err.Msg, err.Data)
}