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require "formula"
module Homebrew
def log
if ARGV.named.empty?
cd HOMEBREW_REPOSITORY
git_log
else
path = Formulary.path(ARGV.named.first)
cd path.dirname # supports taps
git_log path
end
end
private
def git_log(path=nil)
if File.exist? "#{`git rev-parse --show-toplevel`.chomp}/.git/shallow"
opoo <<-EOS.undent
The git repository is a shallow clone therefore the filtering may be incorrect.
Use `git fetch --unshallow` to get the full repository.
EOS
end
args = ARGV.options_only
args += ["--", path] unless path.nil?
exec "git", "log", *args
end
end
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