docs: create HACKING.md

Create a `HACKING.md` file for onboarding new developers to `cheat`.
This commit is contained in:
Christopher Allen Lane 2022-07-05 15:05:42 -04:00
parent a297d1619c
commit 7fed1f63a6
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@ -19,7 +19,8 @@ tracker][issues] to discuss with the maintainer whether it would be considered
for merging.
`cheat` is mostly mature and feature-complete, but may still have some room for
new features.
new features. See [HACKING.md][hacking] for a quick-start guide to `cheat`
development.
#### Add documentation ####
Did you encounter features, bugs, edge-cases, use-cases, or environment
@ -41,6 +42,7 @@ Please open all pull-requests against the `develop` branch.
[cheat]: https://github.com/cheat/cheat
[cheatsheets]: https://github.com/cheat/cheatsheets
[hacking]: HACKING.md
[issues]: https://github.com/cheat/cheat/issues
[pr]: https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request-from-a-fork
[wiki]: https://github.com/cheat/cheat/wiki

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Hacking
=======
The following is a quickstart guide for developing `cheat`.
## 1. Install system dependencies
Before you begin, you must install a handful of system dependencies. The
following are required, and must be available on your `PATH`:
- `git`
- `go` (>= 1.17 is recommended)
- `make`
The following dependencies are optional:
- `docker`
- `pandoc` (necessary to generate a `man` page)
## 2. Install utility applications
Run `make setup` to install `scc` and `revive`, which are used by various
`make` targets.
## 3. Development workflow
After your environment has been configured, your development workflow will
resemble the following:
1. Make changes to the `cheat` source code.
2. Run `make test` to run unit-tests.
3. Fix compiler errors and failing tests as necessary.
4. Run `make`. A `cheat` executable will be written to the `dist` directory.
5. Use the new executable by running `dist/cheat <command>`.
6. Run `make install` to install `cheat` to your `PATH`.
7. Run `make build-release` to build cross-platform binaries in `dist`.
8. Run `make clean` to clean the `dist` directory when desired.
You may run `make help` to see a list of available `make` commands.
### Developing with docker
It may be useful to test your changes within a pristine environment. An
Alpine-based docker container has been provided for that purpose.
If you would like to build the docker container, run:
```sh
make docker-setup
```
To shell into the container, run:
```sh
make docker-sh
```
The `cheat` source code will be mounted at `/app` within the container.
If you would like to destroy this container, you may run:
```sh
make distclean
```
[go]: https://go.dev/