GitDiffParser

Parse git diff into patches and lines.

Examples

Parse entire git diff

diff=<<'EOL'diff --git a/lib/saddler/reporter/github.rb b/lib/saddler/reporter/github.rbindex fc33cdd..0638356 100644--- a/lib/saddler/reporter/github.rb+++ b/lib/saddler/reporter/github.rb@@ -2,6 +2,7 @@ require 'octokit' require 'git' require 'saddler/reporter/github/version'+require 'saddler/reporter/github/support' require 'saddler/reporter/github/helper' require 'saddler/reporter/github/client' require 'saddler/reporter/github/comment'EOLpatches=GitDiffParser.parse(diff)#=> [#<GitDiffParser::Patch:0x007fb313189430# @body="@@ -2,6 +2,7 @@\n require 'octokit'\n require 'git'\n require 'saddler/reporter/github/version'\n+r (snip)",# @file="lib/saddler/reporter/github.rb">]patches[0].file#=> "lib/saddler/reporter/github.rb"patches[0].changed_lines#=> [#<GitDiffParser::Line:0x007fb3130a53e8# @number=5,# @content="+require 'saddler/reporter/github/support'\n",# @patch_position=4>]

Parse single patch

• patch section in git diff.
• GitHub's pull request file's patch.
• GitHub's commit file's patch.

diff=<<-'EOS'@@ -2,6 +2,7 @@ module Saddler module Reporter module Github class CommitComment+ include Support include Helper # https://developer.github.com/v3/repos/comments/#create-a-commit-comment@@ -11,7 +12,7 @@ def report(messages, options) data = parse(messages) # build comment- body = build_body(data)+ body = concat_body(data) return if body.empty? comment = Comment.new(sha1, body, nil, nil)@@ -25,20 +26,6 @@ def report(messages, options) # create commit_comment client.create_commit_comment(comment) end-- def build_body(data)- buffer = []- files = data['checkstyle']['file'] ||= []- files.each do |file|- errors = file['error'] ||= []- errors.each do |error|- severity = error['@severity'] && error['@severity'].upcase- message = error['@message']- buffer << [severity, message].compact.join(': ')- end- end- buffer.join("\n")- end end end endEOSpatch=GitDiffParser::Patch.new(diff)#=> #<GitDiffParser::Patch:0x007fb068ca7a18# @body="@@ -2,6 +2,7 @@ module Saddler (snip)">patch.changed_lines#=> [#<GitDiffParser::Line:0x007fb068c17af8 @number=5,# @content="+ include Support\n", @patch_position=4>,# <GitDiffParser::Line:0x007fb068c17580 @number=15,# @content="+ body = concat_body(data)\n", @patch_position=13>]

API

And more details.

Changelog

changelog.md.

Installation

Add this line to your application's Gemfile:

gem'git_diff_parser'

And then execute:

$ bundle

Or install it yourself as:

$ gem install git_diff_parser

Development

After checking out the repo, run bin/setup to install dependencies. Then, run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

1. Fork it ( https://github.com/packsaddle/ruby-git_diff_parser/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

License

git_diff_parser

Copyright (c) 2015 sanemat. Licensed under the MIT license

original thoughtbot/hound

Copyright (c) 2014 thoughtbot, inc. Licensed under the MIT license

• lib/git_diff_parser/line.rb <- app/models/line.rb
• lib/git_diff_parser/patch.rb <- app/models/patch.rb
• spec/git_diff_parser/patch_spec.rb <- spec/models/patch_spec.rb