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/frontend/gateway/pb/caps.go

@@ -32,6 +32,9 @@ const (
 	// CapFrontendInputs is a capability to request frontend inputs from the
 	// LLBBridge GRPC server.
 	CapFrontendInputs apicaps.CapID = "frontend.inputs"
+
+	// CapGatewaySolveMetadata can be used to check if solve calls from gateway reliably return metadata
+	CapGatewaySolveMetadata apicaps.CapID = "gateway.solve.metadata"
 )
 
 func init() {
@@ -126,4 +129,11 @@ func init() {
 		Enabled: true,
 		Status:  apicaps.CapStatusExperimental,
 	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapGatewaySolveMetadata,
+		Name:    "gateway metadata",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
 }