Move deps from _workspace/ to vendor/

godep restore
pushd $GOPATH/src/github.com/appc/spec
git co master
popd
go get go4.org/errorutil
rm -rf Godeps
godep save ./...
git add vendor
git add -f $(git ls-files --other vendor/)
git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS

vendor/github.com/hashicorp/raft/fsm.go

@@ -0,0 +1,37 @@
+package raft
+
+import (
+	"io"
+)
+
+// FSM provides an interface that can be implemented by
+// clients to make use of the replicated log.
+type FSM interface {
+	// Apply log is invoked once a log entry is committed.
+	Apply(*Log) interface{}
+
+	// Snapshot is used to support log compaction. This call should
+	// return an FSMSnapshot which can be used to save a point-in-time
+	// snapshot of the FSM. Apply and Snapshot are not called in multiple
+	// threads, but Apply will be called concurrently with Persist. This means
+	// the FSM should be implemented in a fashion that allows for concurrent
+	// updates while a snapshot is happening.
+	Snapshot() (FSMSnapshot, error)
+
+	// Restore is used to restore an FSM from a snapshot. It is not called
+	// concurrently with any other command. The FSM must discard all previous
+	// state.
+	Restore(io.ReadCloser) error
+}
+
+// FSMSnapshot is returned by an FSM in response to a Snapshot
+// It must be safe to invoke FSMSnapshot methods with concurrent
+// calls to Apply.
+type FSMSnapshot interface {
+	// Persist should dump all necessary state to the WriteCloser 'sink',
+	// and call sink.Close() when finished or call sink.Cancel() on error.
+	Persist(sink SnapshotSink) error
+
+	// Release is invoked when we are finished with the snapshot.
+	Release()
+}