software: Add protobuf dependency

This was not present because the Go tool detects this dependency only in
the case of the generated discovery package. This package was not
present during the last `go mod tidy` and `go mod vendor` cycle.

4 files changed, 287 insertions, 0 deletions

diff --git a/software/vendor/google.golang.org/protobuf/runtime/protoiface/legacy.go b/software/vendor/google.golang.org/protobuf/runtime/protoiface/legacy.go
new file mode 100644
index 0000000..c587276
--- /dev/null
+++ b/software/vendor/google.golang.org/protobuf/runtime/protoiface/legacy.go
@@ -0,0 +1,15 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package protoiface
+
+type MessageV1 interface {
+	Reset()
+	String() string
+	ProtoMessage()
+}
+
+type ExtensionRangeV1 struct {
+	Start, End int32 // both inclusive
+}
diff --git a/software/vendor/google.golang.org/protobuf/runtime/protoiface/methods.go b/software/vendor/google.golang.org/protobuf/runtime/protoiface/methods.go
new file mode 100644
index 0000000..44cf467
--- /dev/null
+++ b/software/vendor/google.golang.org/protobuf/runtime/protoiface/methods.go
@@ -0,0 +1,168 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package protoiface contains types referenced or implemented by messages.
+//
+// WARNING: This package should only be imported by message implementations.
+// The functionality found in this package should be accessed through
+// higher-level abstractions provided by the proto package.
+package protoiface
+
+import (
+	"google.golang.org/protobuf/internal/pragma"
+	"google.golang.org/protobuf/reflect/protoreflect"
+)
+
+// Methods is a set of optional fast-path implementations of various operations.
+type Methods = struct {
+	pragma.NoUnkeyedLiterals
+
+	// Flags indicate support for optional features.
+	Flags SupportFlags
+
+	// Size returns the size in bytes of the wire-format encoding of a message.
+	// Marshal must be provided if a custom Size is provided.
+	Size func(SizeInput) SizeOutput
+
+	// Marshal formats a message in the wire-format encoding to the provided buffer.
+	// Size should be provided if a custom Marshal is provided.
+	// It must not return an error for a partial message.
+	Marshal func(MarshalInput) (MarshalOutput, error)
+
+	// Unmarshal parses the wire-format encoding and merges the result into a message.
+	// It must not reset the target message or return an error for a partial message.
+	Unmarshal func(UnmarshalInput) (UnmarshalOutput, error)
+
+	// Merge merges the contents of a source message into a destination message.
+	Merge func(MergeInput) MergeOutput
+
+	// CheckInitialized returns an error if any required fields in the message are not set.
+	CheckInitialized func(CheckInitializedInput) (CheckInitializedOutput, error)
+}
+
+// SupportFlags indicate support for optional features.
+type SupportFlags = uint64
+
+const (
+	// SupportMarshalDeterministic reports whether MarshalOptions.Deterministic is supported.
+	SupportMarshalDeterministic SupportFlags = 1 << iota
+
+	// SupportUnmarshalDiscardUnknown reports whether UnmarshalOptions.DiscardUnknown is supported.
+	SupportUnmarshalDiscardUnknown
+)
+
+// SizeInput is input to the Size method.
+type SizeInput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Message protoreflect.Message
+	Flags   MarshalInputFlags
+}
+
+// SizeOutput is output from the Size method.
+type SizeOutput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Size int
+}
+
+// MarshalInput is input to the Marshal method.
+type MarshalInput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Message protoreflect.Message
+	Buf     []byte // output is appended to this buffer
+	Flags   MarshalInputFlags
+}
+
+// MarshalOutput is output from the Marshal method.
+type MarshalOutput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Buf []byte // contains marshaled message
+}
+
+// MarshalInputFlags configure the marshaler.
+// Most flags correspond to fields in proto.MarshalOptions.
+type MarshalInputFlags = uint8
+
+const (
+	MarshalDeterministic MarshalInputFlags = 1 << iota
+	MarshalUseCachedSize
+)
+
+// UnmarshalInput is input to the Unmarshal method.
+type UnmarshalInput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Message  protoreflect.Message
+	Buf      []byte // input buffer
+	Flags    UnmarshalInputFlags
+	Resolver interface {
+		FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error)
+		FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error)
+	}
+	Depth int
+}
+
+// UnmarshalOutput is output from the Unmarshal method.
+type UnmarshalOutput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Flags UnmarshalOutputFlags
+}
+
+// UnmarshalInputFlags configure the unmarshaler.
+// Most flags correspond to fields in proto.UnmarshalOptions.
+type UnmarshalInputFlags = uint8
+
+const (
+	UnmarshalDiscardUnknown UnmarshalInputFlags = 1 << iota
+)
+
+// UnmarshalOutputFlags are output from the Unmarshal method.
+type UnmarshalOutputFlags = uint8
+
+const (
+	// UnmarshalInitialized may be set on return if all required fields are known to be set.
+	// If unset, then it does not necessarily indicate that the message is uninitialized,
+	// only that its status could not be confirmed.
+	UnmarshalInitialized UnmarshalOutputFlags = 1 << iota
+)
+
+// MergeInput is input to the Merge method.
+type MergeInput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Source      protoreflect.Message
+	Destination protoreflect.Message
+}
+
+// MergeOutput is output from the Merge method.
+type MergeOutput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Flags MergeOutputFlags
+}
+
+// MergeOutputFlags are output from the Merge method.
+type MergeOutputFlags = uint8
+
+const (
+	// MergeComplete reports whether the merge was performed.
+	// If unset, the merger must have made no changes to the destination.
+	MergeComplete MergeOutputFlags = 1 << iota
+)
+
+// CheckInitializedInput is input to the CheckInitialized method.
+type CheckInitializedInput = struct {
+	pragma.NoUnkeyedLiterals
+
+	Message protoreflect.Message
+}
+
+// CheckInitializedOutput is output from the CheckInitialized method.
+type CheckInitializedOutput = struct {
+	pragma.NoUnkeyedLiterals
+}
diff --git a/software/vendor/google.golang.org/protobuf/runtime/protoimpl/impl.go b/software/vendor/google.golang.org/protobuf/runtime/protoimpl/impl.go
new file mode 100644
index 0000000..4a1ab7f
--- /dev/null
+++ b/software/vendor/google.golang.org/protobuf/runtime/protoimpl/impl.go
@@ -0,0 +1,44 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package protoimpl contains the default implementation for messages
+// generated by protoc-gen-go.
+//
+// WARNING: This package should only ever be imported by generated messages.
+// The compatibility agreement covers nothing except for functionality needed
+// to keep existing generated messages operational. Breakages that occur due
+// to unauthorized usages of this package are not the author's responsibility.
+package protoimpl
+
+import (
+	"google.golang.org/protobuf/internal/filedesc"
+	"google.golang.org/protobuf/internal/filetype"
+	"google.golang.org/protobuf/internal/impl"
+)
+
+// UnsafeEnabled specifies whether package unsafe can be used.
+const UnsafeEnabled = impl.UnsafeEnabled
+
+type (
+	// Types used by generated code in init functions.
+	DescBuilder = filedesc.Builder
+	TypeBuilder = filetype.Builder
+
+	// Types used by generated code to implement EnumType, MessageType, and ExtensionType.
+	EnumInfo      = impl.EnumInfo
+	MessageInfo   = impl.MessageInfo
+	ExtensionInfo = impl.ExtensionInfo
+
+	// Types embedded in generated messages.
+	MessageState     = impl.MessageState
+	SizeCache        = impl.SizeCache
+	WeakFields       = impl.WeakFields
+	UnknownFields    = impl.UnknownFields
+	ExtensionFields  = impl.ExtensionFields
+	ExtensionFieldV1 = impl.ExtensionField
+
+	Pointer = impl.Pointer
+)
+
+var X impl.Export
diff --git a/software/vendor/google.golang.org/protobuf/runtime/protoimpl/version.go b/software/vendor/google.golang.org/protobuf/runtime/protoimpl/version.go
new file mode 100644
index 0000000..a105cb2
--- /dev/null
+++ b/software/vendor/google.golang.org/protobuf/runtime/protoimpl/version.go
@@ -0,0 +1,60 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package protoimpl
+
+import (
+	"google.golang.org/protobuf/internal/version"
+)
+
+const (
+	// MaxVersion is the maximum supported version for generated .pb.go files.
+	// It is always the current version of the module.
+	MaxVersion = version.Minor
+
+	// GenVersion is the runtime version required by generated .pb.go files.
+	// This is incremented when generated code relies on new functionality
+	// in the runtime.
+	GenVersion = 20
+
+	// MinVersion is the minimum supported version for generated .pb.go files.
+	// This is incremented when the runtime drops support for old code.
+	MinVersion = 0
+)
+
+// EnforceVersion is used by code generated by protoc-gen-go
+// to statically enforce minimum and maximum versions of this package.
+// A compilation failure implies either that:
+//   - the runtime package is too old and needs to be updated OR
+//   - the generated code is too old and needs to be regenerated.
+//
+// The runtime package can be upgraded by running:
+//
+//	go get google.golang.org/protobuf
+//
+// The generated code can be regenerated by running:
+//
+//	protoc --go_out=${PROTOC_GEN_GO_ARGS} ${PROTO_FILES}
+//
+// Example usage by generated code:
+//
+//	const (
+//		// Verify that this generated code is sufficiently up-to-date.
+//		_ = protoimpl.EnforceVersion(genVersion - protoimpl.MinVersion)
+//		// Verify that runtime/protoimpl is sufficiently up-to-date.
+//		_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - genVersion)
+//	)
+//
+// The genVersion is the current minor version used to generated the code.
+// This compile-time check relies on negative integer overflow of a uint
+// being a compilation failure (guaranteed by the Go specification).
+type EnforceVersion uint
+
+// This enforces the following invariant:
+//
+//	MinVersion ≤ GenVersion ≤ MaxVersion
+const (
+	_ = EnforceVersion(GenVersion - MinVersion)
+	_ = EnforceVersion(MaxVersion - GenVersion)
+)