Update feedback to support revision without version

Doing this so we can get feedback for the detached head
use case that govendor frequently has.

Author: otoolec

cmd/dep/govendor_importer.go

@@ -155,8 +155,7 @@ func (g *govendorImporter) convert(pr gps.ProjectRoot) (*dep.Manifest, *dep.Lock
 				pi.Source = pkg.Origin
 			}
 			revision := gps.Revision(pkg.Revision)
-			pp := manifest.Constraints[pi.ProjectRoot]
-			version, err := lookupVersionForLockedProject(pi, pp.Constraint, revision, g.sm)
+			version, err := lookupVersionForLockedProject(pi, nil, revision, g.sm)
 			if err != nil {
 				// Only warn about the problem, it is not enough to warrant failing
 				g.logger.Println(err.Error())

internal/feedback/feedback.go

@@ -73,7 +73,7 @@ func (cf ConstraintFeedback) LogFeedback(logger *log.Logger) {
 	if cf.Constraint != "" {
 		logger.Printf("  %v", GetUsingFeedback(cf.Constraint, cf.ConstraintType, cf.DependencyType, cf.ProjectPath))
 	}
-	if cf.LockedVersion != "" && cf.Revision != "" {
+	if cf.Revision != "" {
 		logger.Printf("  %v", GetLockingFeedback(cf.LockedVersion, cf.Revision, cf.DependencyType, cf.ProjectPath))
 	}
 }
@@ -104,7 +104,11 @@ func GetLockingFeedback(version, revision, depType, projectPath string) string {
 	}
 
 	if depType == DepTypeImported {
-		return fmt.Sprintf("Trying %s (%s) as initial lock for %s %s", version, revision, depType, projectPath)
+		if version != "" {
+			return fmt.Sprintf("Trying %s (%s) as initial lock for %s %s", version, revision, depType, projectPath)
+		} else {
+			return fmt.Sprintf("Trying * (%s) as initial lock for %s %s", revision, depType, projectPath)
+		}
 	}
 	return fmt.Sprintf("Locking in %s (%s) for %s %s", version, revision, depType, projectPath)
 }