Incorporate solver name and version in Gopkg.lock

Author: sdboyer

cmd/dep/init.go

@@ -211,7 +211,7 @@ func (cmd *initCommand) Run(ctx *dep.Ctx, args []string) error {
 		return errors.Wrap(err, "prepare solver")
 	}
 
-	l.Inputs.Memo = s.HashInputs()
+	l.SolveMeta.Memo = s.HashInputs()
 
 	// Pass timestamp (yyyyMMddHHmmss format) as suffix to backup name.
 	vendorbak, err := dep.BackupVendor(vpath, time.Now().Format("20060102150405"))

cmd/dep/prune.go

@@ -68,7 +68,7 @@ func (cmd *pruneCommand) Run(ctx *dep.Ctx, args []string) error {
 		return errors.Wrap(err, "could not set up solver for input hashing")
 	}
 
-	if !bytes.Equal(s.HashInputs(), p.Lock.Inputs.Memo) {
+	if !bytes.Equal(s.HashInputs(), p.Lock.SolveMeta.Memo) {
 		return fmt.Errorf("lock hash doesn't match")
 	}
 

cmd/dep/status.go

@@ -277,7 +277,7 @@ func runStatusAll(loggers *dep.Loggers, out outputter, p *dep.Project, sm gps.So
 	slp := p.Lock.Projects()
 	sort.Sort(dep.SortedLockedProjects(slp))
 
-	if bytes.Equal(s.HashInputs(), p.Lock.Inputs.Memo) {
+	if bytes.Equal(s.HashInputs(), p.Lock.SolveMeta.Memo) {
 		// If these are equal, we're guaranteed that the lock is a transitively
 		// complete picture of all deps. That eliminates the need for at least
 		// some checks.