force using the git protocol to downlaod every kind of repo non just from github

pkg/loader/githubloader.go

@@ -78,6 +78,9 @@ func isRepoUrl(s string) bool {
 	if strings.HasPrefix(s, "https://") {
 		return true
 	}
+	if strings.HasPrefix(s, "git::") {
+		return true
+	}
 	host := strings.SplitN(s, "/", 2)[0]
 	return strings.Contains(host, ".com") || strings.Contains(host, ".org")
 }

pkg/loader/githubloader_test.go

@@ -46,6 +46,10 @@ func TestIsRepoURL(t *testing.T) {
 			input:    "../relative",
 			expected: false,
 		},
+		{
+			input:    "git::https://gitlab.com/org/repo",
+			expected: true,
+		},
 	}
 	for _, tc := range testcases {
 		actual := isRepoUrl(tc.input)