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| 1 | +<!-- |
| 2 | + ~ Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + ~ or more contributor license agreements. See the NOTICE file |
| 4 | + ~ distributed with this work for additional information |
| 5 | + ~ regarding copyright ownership. The ASF licenses this file |
| 6 | + ~ to you under the Apache License, Version 2.0 (the |
| 7 | + ~ "License"); you may not use this file except in compliance |
| 8 | + ~ with the License. You may obtain a copy of the License at |
| 9 | + ~ |
| 10 | + ~ http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + ~ |
| 12 | + ~ Unless required by applicable law or agreed to in writing, |
| 13 | + ~ software distributed under the License is distributed on an |
| 14 | + ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | + ~ KIND, either express or implied. See the License for the |
| 16 | + ~ specific language governing permissions and limitations |
| 17 | + ~ under the License. |
| 18 | +--> |
| 19 | + |
| 20 | +# Contributing |
| 21 | + |
| 22 | +First, thank you for contributing to Iceberg Rust! The goal of this document is to provide everything you need to start contributing to iceberg-rust. The following TOC is sorted progressively, starting with the basics and expanding into more specifics. |
| 23 | + |
| 24 | +- [Your First Contribution](#your-first-contribution) |
| 25 | +- [Workflow](#workflow) |
| 26 | + - [Git Branches](#git-branches) |
| 27 | + - [GitHub Pull Requests](#github-pull-requests) |
| 28 | + - [Title](#title) |
| 29 | + - [Reviews & Approvals](#reviews--approvals) |
| 30 | + - [Merge Style](#merge-style) |
| 31 | + - [CI](#ci) |
| 32 | +- [Setup](#setup) |
| 33 | + - [Using a dev container environment](#using-a-dev-container-environment) |
| 34 | + - [Bring your own toolbox](#bring-your-own-toolbox) |
| 35 | +- [Code of Conduct](#code-of-conduct) |
| 36 | + |
| 37 | +## Your First Contribution |
| 38 | + |
| 39 | +1. [Fork the iceberg-rust repository](https://github.com/apache/iceberg-rust/fork) into your own GitHub account. |
| 40 | +1. [Create a new Git branch](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-and-deleting-branches-within-your-repository). |
| 41 | +1. Make your changes. |
| 42 | +1. [Submit the branch as a pull request](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request-from-a-fork) to the main iceberg-rust repo. An iceberg-rust team member should comment and/or review your pull request within a few days. Although, depending on the circumstances, it may take longer. |
| 43 | + |
| 44 | +## Workflow |
| 45 | + |
| 46 | +### Git Branches |
| 47 | + |
| 48 | +*All* changes must be made in a branch and submitted as [pull requests](#github-pull-requests). iceberg-rust does not adopt any type of branch naming style, but please use something descriptive of your changes. |
| 49 | + |
| 50 | +### GitHub Pull Requests |
| 51 | + |
| 52 | +Once your changes are ready you must submit your branch as a [pull request](https://github.com/apache/iceberg-rust/pulls). |
| 53 | + |
| 54 | +#### Title |
| 55 | + |
| 56 | +The pull request title must follow the format outlined in the [conventional commits spec](https://www.conventionalcommits.org). [Conventional commits](https://www.conventionalcommits.org) is a standardized format for commit messages. iceberg-rust only requires this format for commits on the `main` branch. And because iceberg-rust squashes commits before merging branches, this means that only the pull request title must conform to this format. |
| 57 | + |
| 58 | +The following are all good examples of pull request titles: |
| 59 | + |
| 60 | +```text |
| 61 | +feat(schema): Add last_updated_ms in schema |
| 62 | +docs: add hdfs classpath related troubleshoot |
| 63 | +ci: Mark job as skipped if owner is not apache |
| 64 | +fix(schema): Ignore prefix if it's empty |
| 65 | +refactor: Polish the implementation of read parquet |
| 66 | +``` |
| 67 | + |
| 68 | +#### Reviews & Approvals |
| 69 | + |
| 70 | +All pull requests should be reviewed by at least one iceberg-rust committer. |
| 71 | + |
| 72 | +#### Merge Style |
| 73 | + |
| 74 | +All pull requests are squash merged. We generally discourage large pull requests that are over 300-500 lines of diff. If you would like to propose a change that is larger we suggest coming onto [Iceberg's DEV mailing list ](mailto:[email protected]) or [Slack #rust Channel ](https://join.slack.com/t/apache-iceberg/shared_invite/zt-1zbov3k6e-KtJfoaxp97YfX6dPz1Bk7A) and discuss it with us. This way we can talk through the solution and discuss if a change that large is even needed! This will produce a quicker response to the change and likely produce code that aligns better with our process. |
| 75 | + |
| 76 | +### CI |
| 77 | + |
| 78 | +Currently, iceberg-rust uses GitHub Actions to run tests. The workflows are defined in `.github/workflows`. |
| 79 | + |
| 80 | +## Setup |
| 81 | + |
| 82 | +For small or first-time contributions, we recommend the dev container method. Prefer to do it yourself? That's fine too! |
| 83 | + |
| 84 | +### Using a dev container environment |
| 85 | + |
| 86 | +iceberg-rust provides a pre-configured [dev container](https://containers.dev/) that could be used in [Github Codespaces](https://github.com/features/codespaces), [VSCode](https://code.visualstudio.com/), [JetBrains](https://www.jetbrains.com/remote-development/gateway/), [JuptyerLab](https://jupyterlab.readthedocs.io/en/stable/). Please pick up your favourite runtime environment. |
| 87 | + |
| 88 | +The fastest way is: |
| 89 | + |
| 90 | +[](https://codespaces.new/apache/iceberg-rust?quickstart=1&machine=standardLinux32gb) |
| 91 | + |
| 92 | +### Bring your own toolbox |
| 93 | + |
| 94 | +iceberg-rust is primarily a Rust project. To build iceberg-rust, you will need to set up Rust development first. We highly recommend using [rustup](https://rustup.rs/) for the setup process. |
| 95 | + |
| 96 | +For Linux or MacOS, use the following command: |
| 97 | + |
| 98 | +```shell |
| 99 | +curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh |
| 100 | +``` |
| 101 | + |
| 102 | +For Windows, download `rustup-init.exe` from [here](https://win.rustup.rs/x86_64) instead. |
| 103 | + |
| 104 | +Rustup will read iceberg-rust's `rust-toolchain.toml` and set up everything else automatically. To ensure that everything works correctly, run `cargo version` under iceberg-rust's root directory: |
| 105 | + |
| 106 | +```shell |
| 107 | +$ cargo version |
| 108 | +cargo 1.69.0 (6e9a83356 2023-04-12) |
| 109 | +``` |
| 110 | + |
| 111 | +## Code of Conduct |
| 112 | + |
| 113 | +We expect all community members to follow our [Code of Conduct](https://www.apache.org/foundation/policies/conduct.html). |
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