Command line script to find a specific commit

git-find-commit

#!/usr/bin/env ruby
#find a commit from a file and a line

require 'optparse'

options = {}
OptionParser.new do |opts|
  opts.banner = "Usage: #{$0} [options] filename:linenumber"

  opts.on("-l") do |v|
    options[:local_open] = true
  end
end.parse!

def failure
  puts "Error: must provide with and line number filename:linenumber"
  exit(1)
end

failure if ARGV[0].nil?
filename, line = ARGV[0].split(":")
failure if line.nil?

commit_data = `git blame #{filename} -L #{line},#{line} --incremental`
commit_line, author, author_email, _ = commit_data.split("\n")
commit = commit_line.split(' ').first

remote = `git remote -v | grep origin`.split("\n").first.split(' ')[1].gsub('.git', '')

if options[:local_open]
  exec("git show #{commit}")
else
  exec("open '#{remote}/commit/#{commit}'")
end