Add support for dest = '.' and additional DestinationFilepath test

pkg/util/command_util.go

@@ -80,7 +80,7 @@ func matchSources(srcs, files []string) ([]string, error) {
 }
 
 func IsDestDir(path string) bool {
-	return strings.HasSuffix(path, "/")
+	return strings.HasSuffix(path, "/") || path == "."
 }
 
 // DestinationFilepath returns the destination filepath from the build context to the image filesystem

pkg/util/command_util_test.go

@@ -109,6 +109,13 @@ var destinationFilepathTests = []struct {
 		dest:             "/dir",
 		expectedFilepath: "/dir/context/bar",
 	},
+	{
+		srcName:          "context/foo",
+		filename:         "context/foo",
+		cwd:              "/test",
+		dest:             ".",
+		expectedFilepath: "/test/foo",
+	},
 }
 
 func Test_DestinationFilepath(t *testing.T) {