Show the root namespace "library" in the dropdown even when there are no repos in it

CHANGELOG.md

@@ -1,8 +1,11 @@
 ## Changelog
 
-### Unreleased
+### 0.7.3 (2018-08-14)
 
 * Add `registry_password_file` option to the config file.
+* Improve no data message on empty tables on UI.
+* Show the root namespace "library" in the dropdown even when there are no repos in it.
+* Switch alpine Docker image to 3.8.
 
 ### 0.7.2 (2018-07-30)
 

registry/client.go

@@ -148,6 +148,9 @@ func (c *Client) Namespaces() []string {
 	for k := range c.repos {
 		namespaces = append(namespaces, k)
 	}
+	if !ItemInSlice("library", namespaces) {
+		namespaces = append(namespaces, "library")
+	}
 	sort.Strings(namespaces)
 	return namespaces
 }

registry/common.go

@@ -42,3 +42,13 @@ func PrettySize(size float64) string {
 	}
 	return fmt.Sprintf("%.*f %s", 0, size, units[i])
 }
+
+// ItemInSlice check if item is an element of slice
+func ItemInSlice(item string, slice []string) bool {
+	for _, i := range slice {
+		if i == item {
+			return true
+		}
+	}
+	return false
+}

registry/common_test.go

@@ -45,3 +45,13 @@ func TestPrettySize(t *testing.T) {
 		}
 	})
 }
+
+func TestItemInSlice(t *testing.T) {
+	a := []string{"abc", "def", "ghi"}
+	convey.Convey("Check whether element is in slice", t, func() {
+		convey.So(ItemInSlice("abc", a), convey.ShouldBeTrue)
+		convey.So(ItemInSlice("ghi", a), convey.ShouldBeTrue)
+		convey.So(ItemInSlice("abc1", a), convey.ShouldBeFalse)
+		convey.So(ItemInSlice("gh", a), convey.ShouldBeFalse)
+	})
+}