initialize firebase and support appending rules

Author: victoriahuang1

bin/flutterflow_cli.dart

@@ -62,6 +62,7 @@ void main(List<String> args) async {
         await firebaseDeploy(
           token: token,
           projectId: project,
+          appendRules: parsedArguments.command!['append-rules'],
           endpoint: endpoint,
         );
         break;
@@ -111,7 +112,13 @@ ArgResults _parseArgs(List<String> args) {
     );
 
   final firebaseDeployCommandParser = ArgParser()
-    ..addOption('project', abbr: 'p', help: 'Project id');
+    ..addOption('project', abbr: 'p', help: 'Project id')
+    ..addFlag(
+      'append-rules',
+      abbr: 'a',
+      help: 'Append to rules, instead of overwriting them.',
+      defaultsTo: false,
+    );
 
   final parser = ArgParser()
     ..addOption('endpoint', abbr: 'e', help: 'Endpoint', hide: true)

lib/src/flutterflow_api_client.dart

@@ -283,13 +283,13 @@ Future _runFix({
 Future firebaseDeploy({
   required String token,
   required String projectId,
+  bool appendRules = false,
   String endpoint = kDefaultEndpoint,
 }) async {
   final endpointUrl = Uri.parse(endpoint);
   final body = jsonEncode({
-    'project': {
-      'path': 'projects/$projectId',
-    },
+    'project': {'path': 'projects/$projectId'},
+    'append_rules': appendRules,
   });
   final result = await _callEndpoint(
     client: http.Client(),
@@ -333,6 +333,27 @@ Future firebaseDeploy({
       );
     }
 
+    stdout.write('Initializing firebase...\n');
+    await Process.run(
+      'firebase',
+      ['use', firebaseProjectId],
+      workingDirectory: firebaseDir,
+      runInShell: true,
+    );
+    final initHostingProcess = await Process.start(
+      'firebase',
+      ['init', 'hosting'],
+      workingDirectory: firebaseDir,
+      runInShell: true,
+    );
+    final initHostingInputStream = Stream.periodic(
+      Duration(milliseconds: 100),
+      (count) => utf8.encode('\n'),
+    );
+    initHostingProcess.stdin.addStream(initHostingInputStream);
+    // Make sure hosting is initialized before deploying.
+    await initHostingProcess.exitCode;
+
     final deployProcess = await Process.start(
       'firebase',
       ['deploy', '--project', firebaseProjectId],