move pkgname out of progress interface and move it into "Start()"

progress/progress_test.go

@@ -48,7 +48,7 @@ func (ts *ProgressTestSuite) TestSpin(c *C) {
 	oldStdout := os.Stdout
 	os.Stdout = f
 
-	t := NewTextProgress("no-pkg")
+	t := NewTextProgress()
 	for i := 0; i < 6; i++ {
 		t.Spin("m")
 	}
@@ -89,7 +89,7 @@ func (ts *ProgressTestSuite) testAgreed(answer string, value bool, c *C) {
 
 	license := "Void where empty."
 
-	t := NewTextProgress("no-pkg")
+	t := NewTextProgress()
 	c.Check(t.Agreed("blah blah", license), Equals, value)
 
 	_, err = fout.Seek(0, 0)
@@ -115,7 +115,7 @@ func (ts *ProgressTestSuite) TestNotify(c *C) {
 		fout.Close()
 	}()
 
-	t := NewTextProgress("no-pkg")
+	t := NewTextProgress()
 	t.Notify("blah blah")
 
 	_, err = fout.Seek(0, 0)
@@ -137,12 +137,12 @@ func (ts *ProgressTestSuite) TestMakeProgressBar(c *C) {
 
 	ts.attachedToTerminalReturn = true
 
-	pbar = MakeProgressBar("foo")
-	c.Assert(pbar, FitsTypeOf, NewTextProgress("foo"))
+	pbar = MakeProgressBar()
+	c.Assert(pbar, FitsTypeOf, NewTextProgress())
 
 	ts.attachedToTerminalReturn = false
 
-	pbar = MakeProgressBar("bar")
+	pbar = MakeProgressBar()
 	c.Assert(pbar, FitsTypeOf, &NullProgress{})
 
 }