| package action | 
 |  | 
 | import ( | 
 | 	"container/list" | 
 | 	"os" | 
 |  | 
 | 	"github.com/Masterminds/glide/msg" | 
 | 	"github.com/Masterminds/glide/tree" | 
 | 	"github.com/Masterminds/glide/util" | 
 | ) | 
 |  | 
 | // Tree prints a tree representing dependencies. | 
 | func Tree(basedir string, showcore bool) { | 
 | 	buildContext, err := util.GetBuildContext() | 
 | 	if err != nil { | 
 | 		msg.Die("Failed to get a build context: %s", err) | 
 | 	} | 
 | 	myName := buildContext.PackageName(basedir) | 
 |  | 
 | 	if basedir == "." { | 
 | 		var err error | 
 | 		basedir, err = os.Getwd() | 
 | 		if err != nil { | 
 | 			msg.Die("Could not get working directory") | 
 | 		} | 
 | 	} | 
 |  | 
 | 	msg.Puts(myName) | 
 | 	l := list.New() | 
 | 	l.PushBack(myName) | 
 | 	tree.Display(buildContext, basedir, myName, 1, showcore, l) | 
 | } |