GitHostSetup: Use git_url_parse2 to try to verify the url

This way if the url is invalid we will know before trying to clone,
which happens much later during the process.

lib/screens/githostsetup_clone_url.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:git_url_parse2/git_url_parse2.dart';
 import 'package:function_types/function_types.dart';
 import 'package:gitjournal/apis/githost_factory.dart';
 
@@ -184,22 +185,19 @@ class GitCloneUrlKnownProviderPageState
 }
 
 // Returns null when valid
-String _isCloneUrlValid(String value) {
-  value = value.trim();
-  if (value.isEmpty) {
+String _isCloneUrlValid(String url) {
+  url = url.trim();
+  if (url.isEmpty) {
     return 'Please enter some text';
   }
-  if (value.startsWith('https://') ||
-      value.startsWith('http://') ||
-      value.startsWith('git://') ||
-      value.startsWith('ssh+git://') ||
-      value.startsWith('git+ssh://')) {
-    return 'Only SSH urls are currently accepted';
+
+  var result = gitUrlParse(url);
+  if (result == null) {
+    return 'Invalid Input';
   }
 
-  RegExp regExp = RegExp(r".*@.*");
-  if (!regExp.hasMatch(value)) {
-    return "Invalid Input";
+  if (result.protocol != 'ssh') {
+    return 'Only SSH urls are currently accepted';
   }
 
   return null;

pubspec.lock

@@ -224,6 +224,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  freezed_annotation:
+    dependency: transitive
+    description:
+      name: freezed_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.0"
   fuchsia_remote_debug_protocol:
     dependency: transitive
     description: flutter
@@ -243,6 +250,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.11"
+  git_url_parse2:
+    dependency: "direct main"
+    description:
+      name: git_url_parse2
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1"
   glob:
     dependency: transitive
     description:
@@ -306,6 +320,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.1+1"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   json_rpc_2:
     dependency: transitive
     description:
@@ -753,5 +774,5 @@ packages:
     source: hosted
     version: "0.0.5"
 sdks:
-  dart: ">=2.5.0 <3.0.0"
+  dart: ">=2.7.0 <3.0.0"
   flutter: ">=1.12.13+hotfix.4 <2.0.0"

pubspec.yaml

@@ -35,6 +35,7 @@ dependencies:
   yaml_serializer: ^0.0.5
   connectivity: ^0.4.6+1
   flutter_emoji: ">= 2.0.0"
+  git_url_parse2: ^0.0.1
 
 dev_dependencies:
   flutter_launcher_icons: "^0.7.2"