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Commit Comments

Commit Comments automatically create a bulleted list of changes from comments in your code. Write comments using @commit keyword, and they will be added to your commit message when it's time to commit.

It works by using two Git hooks (prepare-commit-m sg and post-commit) to search your repository for @commit comments and construct a clean list of changes.

Once you've successfully committed, @commit comments are removed from your files

Installation

Clone the repository and move the prepare-commit-msg and post-commit files.

$ git clone https://github.com/thebearjew/commit-comments.git
$ cd commit-comments
$ chmod a+x prepare-commit-msg post-commit
$ cp prepare-commit-msg post-commit your-repository/.git/hooks

Usage

As you're writing code, drop // @commit comments anywhere a significant change has been made.

Commit comments work with (inline & standalone):

  • C-like comments (C/C++, Java, JavaScript, etc.) //, /* */
  • Python/Ruby/Perl #
  • Assembly ;

Example:

foo.js

// @commit: Added a parameter to helloWorld function
function helloWorld(phrase) {
  console.log('Hello World + ' + phrase); /*  @commit - Concatenated strings */
}

Output in Git commit message

# Commit title goes here

- [foo.js#1] Added a parameter to helloWorld function
- [foo.js#3] Concatenated strings
# Changes to be committed:
#	modified:   foo.js 
#
# Changes not staged for commit:
# ...

Comments are removed from the original files.

foo.js - after commit


function helloWorld(phrase) {
  console.log('Hello World + ' + phrase); 
}

Ignoring Files

To ignore some files from being searched, create a .ccignore file in your repository and add file names/types.

README.md
build.sh
.cpp

Dependencies

  1. GNU sed is required to remove @commit comments in post-commit.

On Mac OS X, the default sed is from the FreeBSD distribution. To download the GNU sed version, use Brew

$ brew install gnu-sed --with-default-names

Without the --with-default-names option, the command will be downloaded as gsed.

  1. pcregrep is the primary search utility due to its widespread portability.

If pcregrep is not available, GNU grep is used (for Perl RegEx & variable lookback).

Contributing & Todo

Contributions to improve simplicity/resolve compatibility would be preferred. If there are useful improvements, tricks, or hacks, please submit a Pull Request and a directory of add-ons and snippets will be created.

TODO

  • Add filename and line number to bulleted commit commets - suggestion by joncalhoun on HN
  • Use git diff --cached --name-status --diff-filter=ACM in place of git ls-files
  • Develop more test cases (finding edge cases with grep expression)
  • Rewrite sed commands to be POSIX (BSD) compatible regular expressions
  • Create more robust regular expression for validating comment syntax
    • Check for multiline block comments
    • Check for closing comment symbols (positive look aheads)
  • Programming Languages
    • HTML
    • Fortran
    • AppleScript

--

Special Thanks to Bryan Wyatt for feedback and bug fixes - @brwyatt