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Versioce

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This is a mix task to bump version of your project. Versioce includes batteries that are customizable for your liking. It is heavily inspired by bumpversion.

Quick links

Installation

The package can be installed by adding versioce to your list of dependencies in mix.exs:

def deps do
  [
    {:versioce, "~> 2.0.0"}
  ]
end

Migrating from older versions

Major versions bring braking changes or deprecations. For migration instructions see Migrations doc

Usage

Configure the files

You should let Versioce know what files you want your version bumped in. By default only the files README.md and mix.exs are used. You can add additional files to this list in the config

config :versioce,
  files: [
    "README.md",
    "docker/Dockerfile"
  ]

Note: All file paths should be relative to the mix.exs file. mix.exs will always be used and bumped as it is the core file, from which versioce will pick your current version. This was done in order to remove any additional config files (ex. .bumpversion.cfg in bumpversion).

Configure Hooks

Versioce is agnostic of your VCS(although has hooks for git) or other things you need to do. Some people want to generate changelogs, some - automatically notify teammates at slack, publish package to hex, etc.

To make it possible - Versioce has Hooks. There are pre hooks and post hooks. Hook is a list of simple elixir modules that have run function in them.

Check other available configurations in config docs

Pre hooks

Are fired before any of the bumping is done.
Check available built-in pre hooks
They receive all the parameters for the bump task as a list of strings. Which they can use for their side-effects. But they are required to return this list.
The result of the first hook will be piped into the next one.

defmodule MyProj.Versioce.PreHook do
  use Versioce.PreHook
  def run(params) do
    IO.inspect(params)
    {:ok, params}
  end
end

And in your config:

config :versioce,
  pre_hooks: [MyProj.Versioce.PreHook],

After that:

> mix bump.version
0.1.0
> mix bump patch
Running pre-hooks: [MyProj.Versioce.PreHook]
["patch"]
Bumping version from 0.1.0:
0.1.1
Running post-hooks: []
Done.

Post hooks

Work the same as pre hooks. The only differences are:

  1. They are fired after all the version bumping
  2. Their run function receives a version which was bumped to instead of params.
    Check available built-in post hooks
defmodule MyProj.Versioce.PostHook do
  use Versioce.PostHook
  def run(version) do
    IO.inspect(version)
    {:ok, version}
  end
end

And in your config:

config :versioce,
  post_hooks: [MyProj.Versioce.PostHook],

After that:

> mix bump.version
0.1.0
> mix bump patch
Running pre-hooks: []
Bumping version from 0.1.0:
0.1.1
Running post-hooks: [MyProj.Versioce.PostHook]
"0.1.1"
Done.

Bump your versions!

Simply run mix bump with the preferred binding or a ready version.

> mix bump.version
0.1.0
> mix bump patch
Running pre-hooks: []
Bumping version from 0.1.0:
0.1.1
Running post-hooks: []
Done.
> mix bump major
Running pre-hooks: []
Bumping version 0.1.1:
1.0.0
Running post-hooks: []
Done.
> mix bump 2.0.2
Running pre-hooks: []
Bumping version from 1.1.1:
2.0.2
Running post-hooks: []
Done.

You can also add pre-release or build information easily with --pre or --build

> mix bump.version
0.1.0
> mix bump --pre alpha.3
Running pre-hooks: []
Bumping version from 0.1.0:
0.1.1-alpha.3
Running post-hooks: []
Done.
> mix bump --build 20210101011700.amd64
Running pre-hooks: []
Bumping version from 0.1.1-alpha.3:
0.1.1-alpha.3+20210101011700.amd64
Running post-hooks: []
Done.

CalVer

Versioce has a limited support for CalVer.

Be aware that it is supported lazily, ie. if you start using regular semantic versioning you will need to make a bump to a specific sematic version first, otherwise Versioce will bump your calver version like it is a semantic one. This is probably not what you want.

CalVer also currently does not support --pre and --build params, they will be ignored. For the available formats of the calver consult the config docs

> mix bump.version
0.1.0
> mix bump calver
Running pre-hooks: []
Bumping version from 0.1.0:
2022.11.28
Running post-hooks: []
Done.

Changelog generation

Versioce has the functionality to generate changelogs. By default it produces a changlog in the Keepachangelog format from your Git history, but both can be configured:

config :versioce, :changelog,
  datagrabber: Versioce.Changelog.DataGrabber.Git,        # Or your own datagrabber module
  formatter: Versioce.Changelog.Formatter.Keepachangelog  # Or your own formatter module

Make sure to set the proper anchors configuration according to your repository policies, so Versioce can place entries in the proper sections:

config :versioce, :changelog,
  anchors:
      %{
        added: ["[ADD]"],
        changed: ["[IMP]"],
        deprecated: ["[DEP]"],
        removed: ["[REM]"],
        fixed: ["[FIXED]"],
        security: ["[SEC]"]
      }

Anchors definition should follow the Versioce.Changelog.Anchors struct format. As it will be converted to it down the line.

And you're all set! Now you can either run a mix changelog task to generate a changelog file or add Versioce.PostHooks.Changelog post hook in your configuration:

config :versioce,
  post_hooks: [Versioce.PostHooks.Changelog],

Important: If you want to use this hook in combination with Versioce.PostHooks.Git.Release, make sure that changelog is before the release hook, as well as either Versioce.Config.Git.dirty_add/0 is enabled or your changelog file is added to Versioce.Config.Git.additional_files/0
Make sure to check other configurations for the changelog generation in Versioce.Config.Changelog

The name

The name Versioce is a play on Italian brand Versace with a word version.
It obviously has no connection to it.
I obviously lack any creativity or imagination.

Similar projects

Some acknowledgments

A huge inspiration for this project was Elixir conf talk by Jeremy Searls
Which I highly recommend you to watch