bin/git-contributors

41 lines
933 B
Ruby
Executable file

#!/usr/bin/env ruby
def git_dir?
File.exists?('.git') || `git rev-parse --git-dir >/dev/null`
end
def authors
`git log | grep '^Author:' | sed -e 's/Author: //g' | sort -f | uniq`.split(/\n/)
end
def authors_by_field n
raise "invalid field #{n}, expected 0 or 1" unless n == 0 || n == 1
other = (n-1).abs
authors.inject({}) do |as, a|
parts = a.split(' <')
parts[1].sub!(/>$/, '')
(as[parts[n]] ||= []) << parts[other]
as
end
end
def authors_by_name; authors_by_field(0) end
def authors_by_email; authors_by_field(1) end
def main
exit 1 unless git_dir?
sort = :name
sort = ARGV.first.to_sym if ARGV.length > 0
if sort == :name
authors_by_name.each do |name, emails|
puts "#{name} <#{emails.join(', ')}>"
end
else
authors_by_email.each do |email, names|
puts "#{email}: #{names.first} (aka #{names[1..-1].join(' aka ')})"
end
end
end
main if $0 == __FILE__