Fix bug causing extra dark commits to be drawn when -n is longer than displayed branch

Signed-off-by: Jacob Stopak <jacob@initialcommit.io>

Author: initialcommit-io

git_sim/git_sim_base_command.py

@@ -122,7 +122,8 @@ def parse_commits(
             try:
                 commitParents = list(commit.parents)
             except AttributeError:
-                self.parse_commits(self.create_dark_commit(), i, circle)
+                if len(self.drawnCommits) < self.n_default:
+                    self.parse_commits(self.create_dark_commit(), i, circle)
                 return
 
             if len(commitParents) > 0:
@@ -135,7 +136,8 @@ def parse_commits(
                     for p in range(len(commitParents)):
                         self.parse_commits(commitParents[p], i, circle)
             else:
-                self.parse_commits(self.create_dark_commit(), i, circle)
+                if len(self.drawnCommits) < self.n_default:
+                    self.parse_commits(self.create_dark_commit(), i, circle)
 
     def parse_all(self):
         if self.all: