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package receivepack
import (
"context"
"io"
"codeberg.org/lindenii/furgit/format/pktline"
common "codeberg.org/lindenii/furgit/protocol/v0v1/server"
protoreceive "codeberg.org/lindenii/furgit/protocol/v0v1/server/receivepack"
"codeberg.org/lindenii/furgit/receivepack/internal/service"
)
// ReceivePack serves one receive-pack session over r/w.
func ReceivePack(
ctx context.Context,
w pktline.WriteFlusher,
e io.Writer,
r io.Reader,
opts Options,
) error {
_ = e // TODO: Use stderr/progress sink explicitly as hook/progress behavior expands.
err := validateOptions(opts)
if err != nil {
return err
}
version := parseVersion(opts.GitProtocol)
base := common.NewSession(r, w, common.Options{
Version: version,
Algorithm: opts.Algorithm,
})
protoSession := protoreceive.NewSession(base, protoreceive.Capabilities{
ReportStatus: true,
ReportStatusV2: true,
DeleteRefs: true,
SideBand64K: true,
Quiet: true,
Atomic: true,
OfsDelta: true,
PushOptions: true,
ObjectFormat: opts.Algorithm,
// TODO: PushCertNonce, SessionID, Agent, whatever.
})
refs, err := advertisedRefs(opts)
if err != nil {
return err
}
err = protoSession.AdvertiseRefs(common.Advertisement{Refs: refs})
if err != nil {
return err
}
req, err := protoSession.ReadRequest()
if err != nil {
return err
}
serviceReq := &service.Request{
Commands: translateCommands(req.Commands),
PushOptions: append([]string(nil), req.PushOptions...),
DeleteOnly: req.DeleteOnly,
PackExpected: req.PackExpected,
Pack: r,
}
svc := service.New(service.Options{
Algorithm: opts.Algorithm,
Refs: opts.Refs,
ExistingObjects: opts.ExistingObjects,
ObjectsRoot: opts.ObjectsRoot,
})
result, err := svc.Execute(ctx, serviceReq)
if err != nil {
return err
}
protoResult := translateResult(result)
if req.Capabilities.ReportStatusV2 {
return protoSession.WriteReportStatusV2(protoResult)
}
if req.Capabilities.ReportStatus {
return protoSession.WriteReportStatus(protoResult)
}
return nil
}
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