Use LiveRenderer for sequential mode

Sequential mode now shows the same spinner and progress animation as
parallel mode. The only difference is execution order.

Author: ZeroErrors

src/shared/Commands.cs

@@ -36,23 +36,28 @@ private static List<RepoResult> RunSequential(
         var results = new List<RepoResult>();
         var fetchCache = new Dictionary<string, (bool Failed, string Message)>();
 
-        for (int i = 0; i < repos.Count; i++)
+        using (var renderer = new LiveRenderer(repos.Count))
         {
-            string commonDir = GetCommonGitDir(repos[i]);
-            if (!fetchCache.TryGetValue(commonDir, out var fetchResult))
+            for (int i = 0; i < repos.Count; i++)
             {
-                fetchResult = Fetch(repos[i], extraArgs);
-                fetchCache[commonDir] = fetchResult;
-            }
+                renderer.StartRepo(Path.GetRelativePath(rootPath, repos[i]));
 
-            RepoResult result = fetchResult.Failed
-                ? BuildResult(repos[i], rootPath, fetchResult)
-                : command == "pull"
-                    ? Pull(repos[i], rootPath, extraArgs)
-                    : BuildResult(repos[i], rootPath, fetchResult);
-
-            results.Add(result);
-            Output.WriteResult(result, i + 1, repos.Count);
+                string commonDir = GetCommonGitDir(repos[i]);
+                if (!fetchCache.TryGetValue(commonDir, out var fetchResult))
+                {
+                    fetchResult = Fetch(repos[i], extraArgs);
+                    fetchCache[commonDir] = fetchResult;
+                }
+
+                RepoResult result = fetchResult.Failed
+                    ? BuildResult(repos[i], rootPath, fetchResult)
+                    : command == "pull"
+                        ? Pull(repos[i], rootPath, extraArgs)
+                        : BuildResult(repos[i], rootPath, fetchResult);
+
+                results.Add(result);
+                renderer.CompleteRepo(result);
+            }
         }
 
         return results;