Class: GitMiner::GitUtil

Inherits:
Object
  • Object
show all
Defined in:
lib/git_miner/git_util.rb

Class Method Summary collapse

Class Method Details

.commit_head ⇒ Object 



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# File 'lib/git_miner/git_util.rb', line 7

def commit_head
  # tree 2f18732a3837319fc7def49360366e435ca19700
  # parent 94d9a9d715847d1fed730ef74a664a6773989a1b
  # author Thierry Joyal <thierry.joyal@gmail.com> 1558198927 +0000
  # committer Thierry Joyal <thierry.joyal@gmail.com> 1558198927 +0000
  #
  # This is the commit message
  shell('git cat-file commit HEAD')
end

.update_current_ref(author_date, committer_date) ⇒ Object 



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# File 'lib/git_miner/git_util.rb', line 17

def update_current_ref(author_date, committer_date)
  commit_object = shell("git cat-file -p HEAD | head -n 2").chomp
  tree = shell("echo \"#{commit_object}\" | head -n 1 | cut -c 6-46").chomp
  head = shell("echo \"#{commit_object}\" | tail -n 1 | cut -c 8-48").chomp
  branch = shell("git branch | sed -n -e 's/^\\* \\(.*\\)/\\1/p'").chomp

  environment = {
    "GIT_AUTHOR_DATE" => author_date.iso8601,
    "GIT_COMMITTER_DATE" => committer_date.iso8601,
  }
  cmd = "git commit-tree #{tree} -p #{head} -F -"
  git_commit_message = shell('git log -1 --pretty=%B').chomp
  new_sha = shell(cmd, environment: environment, stdin_data: git_commit_message).chomp

  shell("git update-ref refs/heads/#{branch} #{new_sha}").chomp
end