# GitOps
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A small tool to help generate changelogs from conventional commit messages.
For more information, see [conventional
commits](https://conventionalcommits.org).
For an example, see this project's [CHANGELOG.md](https://github.com/zachdaniel/git_ops/blob/master/CHANGELOG.md).
Roadmap (in no particular order):
* More tests
* Automatically parse issue numbers and github mentions into the correct format, linking the issue
* A task to build a compliant commit
* Validation of commits
* Automatically link to the PR that merged a given commit in the changelog
* A hundred other things I forgot to write down while writing the initial version
Important addendums:
A new version of the spec in beta adds a rather useful
convention. Add ! after the type/scope to simply signal it as a breaking
change, instead of adding `BREAKING CHANGE: description` in your commit message.
For example: `fix(Spline Reticulator)!: `
The spec doesn't specify behavior around multiple scopes. This library parses
scopes *as a comma separated list*. This allows for easily readable multiple
word lists `feat(Something Special, Something Else Special): message`. Keep in
mind that you are very limited on space in these messages, and if you find
yourself using multiple scopes your commit is probably too big.
## Installation
```elixir
def deps do
[
{:git_ops, "~> 2.5.4", only: [:dev]}
]
end
```
## Configuration
``` elixir
config :git_ops,
mix_project: Mix.Project.get!(),
changelog_file: "CHANGELOG.md",
repository_url: "https://github.com/my_user/my_repo",
types: [
# Makes an allowed commit type called `tidbit` that is not
# shown in the changelog
tidbit: [
hidden?: true
],
# Makes an allowed commit type called `important` that gets
# a section in the changelog with the header "Important Changes"
important: [
header: "Important Changes"
]
],
# Instructs the tool to manage your mix version in your `mix.exs` file
# See below for more information
manage_mix_version?: true,
# Instructs the tool to manage the version in your README.md
# Pass in `true` to use `"README.md"` or a string to customize
manage_readme_version: "README.md",
version_tag_prefix: "v"
```
Getting started:
```bash
mix git_ops.release --initial
```
Commit the result of that, using a message like `chore: Initial Release`
Then when you want to release again, use:
``` bash
mix git_ops.release
```
For the full documentation of that task, see the task documentation in hex.
## Managing your mix version
To have mix manage your mix version, add `manage_mix_version?: true` to your configuration.
Then, use a module attribute called `@version` to manage your application's
version. Look at [this project's mix.exs](mix.exs) for an example.
## Managing your readme version
Most project readmes have a line like this that would ideally remain up to date:
```elixir
{:git_ops, "~> 2.5.4", only: [:dev]}
```
You can keep that number up to date via `manage_readme_version`, which accepts
`true` for `README.md` or a string pointing to some other path relative to your
project root.
## Using this with open source projects
If you'd like your contributors to use the conventional commit format, you can
use a [PULL_REQUEST_TEMPLATE.md](PULL_REQUEST_TEMPLATE.md) like ours. However,
it is also possible to manage it as the maintainers of a project by altering
either the merge commit or alter the commit when merging/squashing (recommended)
## Similar projects
* https://github.com/glasnoster/eliver
* https://github.com/oo6/mix-bump
* https://github.com/mpanarin/versioce