fix: accurate message when patching a release that doesn't contains the platform (#2268)

packages/shorebird_cli/lib/src/commands/patch/patch_command.dart

@@ -237,6 +237,7 @@ NOTE: this is ${styleBold.wrap('not')} recommended. Asset changes cannot be incl
       );
     }
 
+    assertReleaseContainsPlatform(release: release, patcher: patcher);
     assertReleaseIsActive(release: release, patcher: patcher);
 
     try {
@@ -323,6 +324,21 @@ NOTE: this is ${styleBold.wrap('not')} recommended. Asset changes cannot be incl
     );
   }
 
+  void assertReleaseContainsPlatform({
+    required Release release,
+    required Patcher patcher,
+  }) {
+    final releasePlatform = patcher.releaseType.releasePlatform;
+    final contains = release.platformStatuses.containsKey(releasePlatform);
+    if (!contains) {
+      final platformName = releasePlatform.name;
+      logger.err(
+        '''No release exists for $platformName in release version ${release.version}. Please run shorebird release $platformName to create one.''',
+      );
+      throw ProcessExit(ExitCode.software.code);
+    }
+  }
+
   void assertReleaseIsActive({
     required Release release,
     required Patcher patcher,

packages/shorebird_cli/test/src/commands/patch/patch_command_test.dart

@@ -853,6 +853,41 @@ Please re-run the release command for this version or create a new release.''',
       });
     });
 
+    group('when the target release does not contain the provided platform', () {
+      setUp(() {
+        when(
+          () => codePushClientWrapper.getRelease(
+            appId: any(named: 'appId'),
+            releaseVersion: any(named: 'releaseVersion'),
+          ),
+        ).thenAnswer(
+          (_) async => Release(
+            id: 0,
+            appId: appId,
+            version: releaseVersion,
+            flutterRevision: flutterRevision,
+            displayName: '1.2.3+1',
+            platformStatuses: {ReleasePlatform.ios: ReleaseStatus.active},
+            createdAt: DateTime(2023),
+            updatedAt: DateTime(2023),
+          ),
+        );
+      });
+
+      test('logs error and exits with code 70', () async {
+        await expectLater(
+          () => runWithOverrides(command.run),
+          exitsWithCode(ExitCode.software),
+        );
+
+        verify(
+          () => logger.err(
+            '''No release exists for android in release version ${release.version}. Please run shorebird release android to create one.''',
+          ),
+        ).called(1);
+      });
+    });
+
     group('when primary release artifact fails to download', () {
       final error = Exception('Failed to download primary release artifact.');