gommit

command module
Version: v2.0.0+incompatible Latest Latest
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Published: Nov 16, 2016 License: Apache-2.0 Imports: 1 Imported by: 0

README

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Gommit analyze commits messages to ensure they follow defined pattern.

asciicast

Setup

Download from release page according to your architecture gommit binary : https://github.com/antham/gommit/releases

Define a file .gommit.toml

Create a file .gommit.toml at the root of your project, for instance :

[config]
exclude-merge-commits=true
check-summary-length=true

[matchers]
all="(?:ref|feat|test|fix|style)\\(.*?\\) : .*?\n(?:\n?(?:\\* |  ).*?\n)*"

[examples]
a_simple_commit="""
[feat|test|ref|fix|style](module) : A commit message
"""
an_extended_commit="""
[feat|test|ref|fix|style](module) : A commit message

* first line
* second line
* and so on...
"""
Config
  • exclude-merge-commits : if set to true, will not check commit mesage for merge commit
  • check-summary-length : if set to true, check commit summary length is 50 characters
Matchers

You can define as many matchers you want, naming is up to you, they will all be run against a commit message till one match.

Examples

Provided to help user to understand where is the problem, like matchers you can define as many examples as you want, they all will be displayed to the user if an error occured.

If you defined for instance :

a_simple_commit="""
[feat|test|ref|fix|style](module) : A commit message
"""

this example will be displayed to the user like that :

A simple commit :

[feat|test|ref|fix|style](module) : A commit message

key is used as a title, underscore are replaced with withespaces.

Usage

Ensure your commit messages are consistent

Usage:
  gommit [command]

Available Commands:
  check       Check ensure a message follows defined patterns
  version     App version

Flags:
      --config string    (default ".gommit.toml")
  -h, --help            help for gommit

Use "gommit [command] --help" for more information about a command.
check
Check ensure a message follows defined patterns

Usage:
  gommit check [flags]
  gommit check [command]

Available Commands:
  commit      Check commit message
  message     Check message
  range       Check messages in commit range

Flags:
  -h, --help   help for check

Global Flags:
      --config string    (default ".gommit.toml")

Use "gommit check [command] --help" for more information about a command.


You need to provide two commit references to run matching for instance :
check commit

Check one comit from its commit ID, doesn't support short ID currently :

gommit check commit aeb603ba83614fae682337bdce9ee1bad1da6d6e

check message

Check a message, useful for script for instance when you want to use it with git hooks :

gommit check message "Hello"

check range

Check a commit range, useful if you want to use it with a CI to ensure all commits in branch are following your conventions :

  • with relative references : gommit check range master~2^ master
  • with asbolute references : gommit check range dev test
  • with commit ids : gommit check range 7bbb37ade3ff36e362d7e20bf34a1325a15b 09f25db7971c100a8c0cfc2b22ab7f872ff0c18d

Practical usage

If your system isn't described here and you find a way to have gommit working on it, please improve this documentation by doing a PR for the next who would like to do the same.

Git hook

It's possible to use gommit to validate each commit when you are creating them. To do so, you need to use the commit-msg hook, you can replace default script with this one :

#!/bin/sh

gommit check message "$(cat "$1")";
Travis

In travis, all history isn't cloned, default depth is 50 commits, you can change it : https://docs.travis-ci.com/user/customizing-the-build#Git-Clone-Depth. So we will fetch the ref of our branch we are forking to be able to analyze all messages in this range.

First, we download the binary from the release page according to the version we want and we add in .travis.yml :

before_install:
  - wget -O /tmp/gommit https://github.com/antham/gommit/releases/download/v1.0.0/gommit_linux_386 && chmod 777 /tmp/gommit

We can add a perl script in our repository to analyze the commit range :

#!/bin/perl

`git fetch --depth=1 origin master 2>&1 >/dev/null`;

my $head = `git rev-parse HEAD`;
my $master = `git rev-parse FETCH_HEAD`;

chomp($head);
chomp($master);

system "gommit check range $master $head";

if ($? > 0) {
    exit 1;
}

And finally in .travis.yml, make it crash if an error occured :

script: perl test-branch-commit-messages-in-travis.pl
CircleCI

In CircleCI, there is an environment variable that describe current branch : CIRCLE_BRANCH (https://circleci.com/docs/environment-variables/).

First, we download the binary from the release page according to the version we want and we add in circle.yml :

dependencies:
  pre:
    - wget -O gommit https://github.com/antham/gommit/releases/download/v1.0.0/main && chmod 777 gommit

And in test we can run gommit against master for instance :

test:
  override:
    - gommit check range master $CIRCLE_BRANCH

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