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package server
import (
"fmt"
"strings"
"codeberg.org/lindenii/furgit/objectid"
)
// AdvertiseRefs writes one server ref advertisement.
func (session *Session) AdvertiseRefs(ad Advertisement, capabilityTokens []string) error {
if session.opts.Version == Version1 {
err := session.enc.WriteData([]byte("version 1\n"))
if err != nil {
return err
}
}
capList := strings.Join(capabilityTokens, " ")
refs := sortAdvertisedRefs(ad.Refs)
if len(refs) == 0 {
line := fmt.Sprintf("%s capabilities^{}\x00%s\n", objectid.Zero(session.opts.Algorithm), capList)
err := session.enc.WriteData([]byte(line))
if err != nil {
return err
}
return session.WriteFlush()
}
for i, entry := range refs {
line := fmt.Sprintf("%s %s", entry.ID, entry.Name)
if i == 0 {
line += "\x00" + capList
}
err := session.enc.WriteData([]byte(line + "\n"))
if err != nil {
return err
}
if entry.Peeled != nil {
peeled := fmt.Sprintf("%s %s^{}\n", *entry.Peeled, entry.Name)
err = session.enc.WriteData([]byte(peeled))
if err != nil {
return err
}
}
}
return session.WriteFlush()
}
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