$ gem install git_stats 

# apt-get install ruby ruby-nokogiri ruby-nokogiri-diff ruby-nokogumbo # gem install git_stats 

$ sudo apt-get install ruby ruby-dev gcc zlib1g-dev make $ sudo gem install git_stats 

$ git_stats Commands: git_stats generate # Generates the statistics of a repository git_stats help [COMMAND] # Describe available commands or one specific command 

$ git_stats help generate Usage: git_stats generate Options: p, [--path=PATH] # Path to repository from which statistics should be generated. # Default: . o, [--out-path=OUT_PATH] # Output path where statistics should be written. # Default: ./git_stats l, [--language=LANGUAGE] # Language of written statistics. # Default: en f, [--first-commit-sha=FIRST_COMMIT_SHA] # Commit from where statistics should start. t, [--last-commit-sha=LAST_COMMIT_SHA] # Commit where statistics should stop. # Default: HEAD s, [--silent], [--no-silent] # Silent mode. Don't output anything. d, [--tree=TREE] # Tree where statistics should be generated. # Default: . c, [--comment-string=COMMENT_STRING] # The string which is used for comments. # Default: // Generates the statistics of a repository 

$ git_stats generate git rev-list --pretty=format:'%h|%at|%ai|%aE' HEAD | grep -v commit git shortlog -se HEAD ... 

$ git_stats generate -o stats --langugage de git rev-list --pretty=format:'%h|%at|%ai|%aE' HEAD | grep -v commit git shortlog -se HEAD ... 

> repo = GitStats::GitData::Repo.new(path: '.', first_commit_sha: 'abcd1234', last_commit_sha: 'HEAD') > repo.authors => [...] > repo.commits => [...] > commit.files => [...]