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git.rb: Fast exit from update_cache if repo not changed since cached #3895

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git.rb: Fast exit from update_cache if repo not changed since cached #3895

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7 changes: 7 additions & 0 deletions lib/oxidized/output/git.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,13 @@ def self.update_cache(repo_path)
end

repo = Rugged::Repository.new repo_path

# Early exit if repo not changed since cached
current_head = repo.head.target.oid
if current_head == @gitcache[repo_path][:last_commit]
Oxidized.logger.debug { "git.update_cache hit, skipping walker for #{repo_path}" }
return
end

walker = Rugged::Walker.new(repo)
walker.sorting(Rugged::SORT_DATE)
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