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This change bumps the version of the `alacritty_terminal` crate to force it out of sync with the Alacritty application. Since it is a library that will be published on crates.io, it should be following semver rather than our binary's release version. While it would be possible to just keep it at 0.5.0, explicitly disconnecting it from the Alacritty version should give it a clean starting-off point and prevent unnecessary confusion. Bumping it to 0.10.0 instead of something like 0.6.0 should allow for a nice gap between the different versions without being too arbitrary. Changing the version to 0.1.0 is not an option since decreasing semver version would likely cause a lot of problems. While it would be possible to further separate the Alacritty terminal library from the Alacritty terminal emulator, by renaming it from `alacritty_terminal` to something different, I don't think that is necessary or a good idea at the moment. Even though the `alacritty_terminal` library *can* be used for other terminals, its primary goal is still to support the Alacritty terminal emulator and I don't see that changing. So making that clear in its name seems like a good idea. Since there is no plan to maintain this library separately from Alacritty, but to keep both tied together, the naming should reflect this.
164 lines
7.9 KiB
Markdown
164 lines
7.9 KiB
Markdown
# Contributing to Alacritty
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Thank you for your interest in contributing to Alacritty!
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Table of Contents:
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1. [Feature Requests](#feature-requests)
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2. [Bug Reports](#bug-reports)
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3. [Patches / Pull Requests](#patches--pull-requests)
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1. [Testing](#testing)
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2. [Performance](#performance)
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3. [Documentation](#documentation)
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4. [Style](#style)
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4. [Release Process](#release-process)
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5. [Contact](#contact)
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## Feature Requests
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Feature requests should be reported in the
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[Alacritty issue tracker](https://github.com/alacritty/alacritty/issues). To reduce the number of
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duplicates, please make sure to check the existing
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[enhancement](https://github.com/alacritty/alacritty/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3Aenhancement)
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and
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[missing feature](https://github.com/alacritty/alacritty/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3A%22B+-+missing+feature%22)
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issues.
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## Bug Reports
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Bug reports should be reported in the
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[Alacritty issue tracker](https://github.com/alacritty/alacritty/issues).
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If a bug was not present in a previous version of Alacritty, providing the exact commit which
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introduced the regression helps out a lot.
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## Patches / Pull Requests
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All patches have to be sent on Github as [pull requests](https://github.com/alacritty/alacritty/pulls).
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If you are looking for a place to start contributing to Alacritty, take a look at the
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[help wanted](https://github.com/alacritty/alacritty/issues?q=is%3Aopen+is%3Aissue+label%3A%22help+wanted%22)
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and
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[easy](https://github.com/alacritty/alacritty/issues?q=is%3Aopen+is%3Aissue+label%3A%22D+-+easy%22)
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issues.
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Please note that the minimum supported version of Alacritty is Rust 1.41.0. All patches are expected
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to work with the minimum supported version.
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Since `alacritty_terminal`'s version always tracks the next release, make sure that the version is
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bumped according to semver when necessary.
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### Testing
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To make sure no regressions were introduced, all tests should be run before sending a pull request.
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The following command can be run to test Alacritty:
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```
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cargo test
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```
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Additionally if there's any functionality included which would lend itself to additional testing,
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new tests should be added. These can either be in the form of Rust tests using the `#[test]`
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annotation, or Alacritty's ref tests.
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To record a new ref test, a release version of the patched binary should be created and run with the
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`--ref-test` flag. After closing the Alacritty window, or killing it (`exit` and `^D` do not work),
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some new files should have been generated in the working directory. Those can then be copied to the
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`./tests/ref/NEW_TEST_NAME` directory and the test can be enabled by editing the `ref_tests!` macro
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in the `./tests/ref.rs` file. When fixing a bug, it should be checked that the ref test does not
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complete correctly with the unpatched version, to make sure the test case is covered properly.
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### Performance
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If changes could affect throughput or latency of Alacritty, these aspects should be benchmarked to
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prevent potential regressions. Since there are often big performance differences between Rust's
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nightly releases, it's advised to perform these tests on the latest Rust stable release.
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Alacritty mainly uses the [vtebench](https://github.com/alacritty/vtebench) tool for testing Alacritty's
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performance. Instructions on how to use it can be found in its
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[README](https://github.com/alacritty/vtebench/blob/master/README.md).
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Latency is another important factor for Alacritty. On X11, Windows, and macOS the
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[typometer](https://github.com/pavelfatin/typometer) tool allows measuring keyboard latency.
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### Documentation
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Code should be documented where appropriate. The existing code can be used as a guidance here and
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the general `rustfmt` rules can be followed for formatting.
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If any change has been made to the `config.rs` file, these changes should also be documented in the
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example configuration file `alacritty.yml`.
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Changes compared to the latest Alacritty release which have a direct effect on the user (opposed to
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things like code refactorings or documentation/tests) additionally need to be documented in the
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`CHANGELOG.md`. The existing entries should be used as a style guideline. The change log should be
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used to document changes from a user-perspective, instead of explaining the technical background
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(like commit messages). More information about Alacritty's change log format can be found
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[here](https://keepachangelog.com).
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### Style
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All Alacritty changes are automatically verified by CI to conform to its rustfmt guidelines. If a CI
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build is failing because of formatting issues, you can install rustfmt using `rustup component add
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rustfmt` and then format all code using `cargo fmt`.
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Unless otherwise specified, Alacritty follows the Rust compiler's style guidelines:
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https://rust-lang.github.io/api-guidelines
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All comments should be fully punctuated with a trailing period. This applies both to regular and
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documentation comments.
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# Release Process
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Alacritty's release process aims to provide stable and well tested releases without having to hold
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back new features during the testing period.
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To achieve these goals, a new branch is created for every new release. Both the release candidates
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and the final version are only comitted and tagged in this branch. The master branch only tracks
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development versions, allowing us to keep the branches completely separate without merging releases
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back into master.
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The exact steps for an exemplary `0.2.0` release might look like this:
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1. Initially, the version on the latest master is `0.2.0-dev`
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2. A new `v0.2.0` branch is created for the release
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3. On master, the version is bumped to `0.3.0-dev`
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4. In the branch, the version is bumped to `0.2.0-rc1`
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5. The new commit in the branch is tagged as `v0.2.0-rc1`
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6. A GitHub release is created for the `v0.2.0-rc1` tag
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7. The changelog since the last release (stable or RC) is added to the GitHub release description
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8. Bug fixes are cherry-picked from master into the branch and steps 4-7 are repeated until no
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major issues are found in the release candidates
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9. In the branch, the version is bumped to `0.2.0`
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10. The new commit in the branch is tagged as `v0.2.0`
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11. The new version is published to crates.io
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12. A GitHub release is created for the `v0.2.0` tag
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13. The changelog since the last stable release (**not** RC) is added to the GitHub release
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description
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14. The `-dev` is stripped from the `0.2.0-dev` changelog entries on master
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On master and with new planned releases, only the minor version is bumped. This makes it possible to
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create bug fix releases by incrementing the patch version of a previous minor release, without
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having to adjust the next planned release's version number.
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The exact steps for an exemplary `0.2.3` release might look like this:
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1. Initially, the version on the latest master is `0.3.0-dev` and the latest release was `0.2.2`
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2. A new `v0.2.3` branch is forked from the `v0.2.2` branch
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4. All bug fixes are cherry-picked from master into the `v0.2.3` branch
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5. The version is bumped to `v0.2.3-rc1` and the changelog is updated to include all fixes
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6. Follow Steps 5-12 of the regular release's example
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7. The release's changelog is ported back to master, removing fixes from the `0.2.3` release
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The `alacritty_terminal` crate is released in synchronization with `alacritty`, keeping the `-dev`
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and `-rcX` version suffix identical across the two crates. As soon as the new Alacritty stable
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release is made, releases are tagged as `alacritty_terminal_vX.Y.Z` and pushed to crates.io. During
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a release, only the patch version is bumped on master, since there haven't been any changes since
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the last release yet.
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# Contact
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If there are any outstanding questions about contributing to Alacritty, they can be asked on the
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[Alacritty issue tracker](https://github.com/alacritty/alacritty/issues).
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As a more immediate and direct form of communication, the Alacritty IRC channel (`#alacritty` on
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Freenode) can be used to contact many of the Alacritty contributors.
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