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'git grep' with functionalities to output GitHub permalinks and authors
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| #!/usr/bin/env ruby | |
| # frozen_string_literal: true | |
| require 'cgi' | |
| require 'csv' | |
| require 'optparse' | |
| SUPPORTED_GIT_GREP_OPTIONS = <<~MSG | |
| -i --ignore-case | |
| -I | |
| -w --word-regexp | |
| -v --invert-match | |
| -E --extended-regexp | |
| -G --basic-regexp | |
| -P --perl-regexp | |
| -F --fixed-strings | |
| --threads | |
| -e | |
| --and | |
| --or | |
| --not | |
| --all-match | |
| -- | |
| MSG | |
| OPTIONS_SEPARATOR = '::' | |
| sep_index = ARGV.find_index(OPTIONS_SEPARATOR) || ARGV.size | |
| gg_argv = ARGV[..sep_index - 1].map { |arg| arg.start_with?('-') ? arg : "'#{arg}'" } | |
| argv = ARGV[sep_index + 1..] || [] | |
| options = { author: false, header: false, separator: "\t" } | |
| opts = OptionParser.new | |
| opts.on('-a', '--author', 'Show the author who commit the last change.') do | |
| options[:author] = true | |
| end | |
| opts.on('-h', '--header', 'Show the output table header.') do | |
| options[:header] = true | |
| end | |
| opts.on('-s', '--separator SEPARATOR', 'Specify a column separator for the output table. (default: \t)') do |v| | |
| options[:separator] = v | |
| end | |
| gg_opts = OptionParser.new | |
| gg_opts.banner = <<~MSG | |
| Usage: #{File.basename(__FILE__)} ['git grep' options and patterns] #{OPTIONS_SEPARATOR} [options] | |
| ['git grep' options and patterns] | |
| MSG | |
| SUPPORTED_GIT_GREP_OPTIONS.each_line(chomp: true) { |line| gg_opts.on(*line.split) } | |
| gg_opts.separator <<~MSG | |
| [options] | |
| #{opts.help.each_line.to_a[1..].join} | |
| MSG | |
| gg_opts.parse!(gg_argv.dup) | |
| opts.parse!(argv) | |
| remote_url = `git config --get remote.origin.url`.chomp | |
| if remote_url =~ /^git@github\.com:(.*)\.git$/ || | |
| remote_url =~ %r{^ssh://git@github.com/(.*)\.git$} | |
| remote_url = "https://github.com/#{$1}" | |
| end | |
| commit_hash = `git show --format='%H' --no-patch`.chomp | |
| url_base = "#{remote_url}/blob/#{commit_hash}" | |
| header = %w[Path Line Matched Permalink] | |
| header << 'Author' if options[:author] | |
| begin | |
| CSV($stdout, col_sep: options[:separator]) do |csv| | |
| csv << header if options[:header] | |
| git_grep_result = `git grep --line-number --full-name #{gg_argv.join(' ')}` | |
| git_grep_result.each_line(chomp: true) do |line| | |
| fields = line.split(':') | |
| path, line = fields[..1] | |
| matched = fields[2..].join | |
| escaped_path = path.split('/').map { |i| CGI.escape(i) }.join('/') | |
| url = "#{url_base}/#{escaped_path}#L#{line}" | |
| fields = [path, line, matched, url] | |
| if options[:author] | |
| author = `git blame -L #{line} --line-porcelain #{path}` | |
| .each_line(chomp: true).to_a[1]&.delete_prefix('author ') | |
| fields << author | |
| end | |
| csv << fields | |
| end | |
| end | |
| rescue Errno::EPIPE | |
| # suppress error | |
| rescue Interrupt | |
| # suppress error | |
| end |
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