vendor: buildkit v0.7.2

v0.7.2
----------------

Fixes:

- solver: gracefully handle cache loading errors
- remotecache: only visit each item once when walking results
- cache: avoid possible nil dereference on error handling
- contenthash: allow security.capability in cache checksum
- contenthash: treat unix sockets as regular files
- push: fix race condition on pushing the same layers in parallel
- inline cache: fix handling of duplicate blobs in same image
- gateway: fix metadata getting lost on subsolve in external frontend
- filesync: avoid ignoring close error
- runc: update runc binary to v1.0.0-rc91
- buildctl-daemonless: allow max retries on socket connect for buildctl
- buildctl-daemonless: fix shell args expansion
- buildctl-daemonless: show log on startup timeout

v0.7.1
----------------

Fixes:

- git: use --force flag on fetch
- tar exporter: handle symlinks properly
- resolver: disable http2 for pushing

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/moby/buildkit/session/filesync/filesync.go

@@ -255,7 +255,7 @@ func (sp *fsSyncTarget) Register(server *grpc.Server) {
 	RegisterFileSendServer(server, sp)
 }
 
-func (sp *fsSyncTarget) DiffCopy(stream FileSend_DiffCopyServer) error {
+func (sp *fsSyncTarget) DiffCopy(stream FileSend_DiffCopyServer) (err error) {
 	if sp.outdir != "" {
 		return syncTargetDiffCopy(stream, sp.outdir)
 	}
@@ -277,7 +277,12 @@ func (sp *fsSyncTarget) DiffCopy(stream FileSend_DiffCopyServer) error {
 	if wc == nil {
 		return status.Errorf(codes.AlreadyExists, "target already exists")
 	}
-	defer wc.Close()
+	defer func() {
+		err1 := wc.Close()
+		if err != nil {
+			err = err1
+		}
+	}()
 	return writeTargetFile(stream, wc)
 }