download_strategy: check if commit nil

2016-08-19 12:32:20 +02:00 · 2016-08-19 12:32:20 +02:00 · b7a17ba345
commit b7a17ba345
parent 82ea19bc15
1 changed files with 1 additions and 0 deletions
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@ -821,6 +821,7 @@ class GitHubGitDownloadStrategy < GitDownloadStrategy
    if !@last_commit
      super
    else
+      return true unless commit
      return true unless @last_commit.start_with?(commit)
      multiple_short_commits_exist?(commit)
    end