Enable autoflush for tailable logs.

Author: sharpjs

PSql.Deploy/Migrations/CmdletMigrationConsole.cs

@@ -49,7 +49,7 @@ public TextWriter CreateLog(M.IMigrationApplication info)
         var database = info.Target.DatabaseDisplayName;
         var fileName = $"{server}.{database}.{(int) phase}_{phase}.log".SanitizeFileName();
 
-        return new StreamWriter(Path.Combine(logPath, fileName));
+        return new StreamWriter(Path.Combine(logPath, fileName)) { AutoFlush = true };
     }
 
     /// <inheritdoc/>

PSql.Deploy/Seeds/CmdletSeedConsole.cs

@@ -50,7 +50,7 @@ public TextWriter CreateLog(S.ISeedApplication info)
         var fileName = $"{target}.{seed}.log".SanitizeFileName();
 
         return TextWriter.Synchronized(
-            new StreamWriter(Path.Combine(_logPath, fileName))
+            new StreamWriter(Path.Combine(_logPath, fileName)) { AutoFlush = true }
         );
     }