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realm/SwiftLint 0.53.0
A tool to enforce Swift style and conventions.
⭐️ 17,781
🕓 16 hours ago
macOS linux
.package(url: "https://github.com/realm/SwiftLint.git", from: "0.53.0")


A tool to enforce Swift style and conventions, loosely based on the now archived GitHub Swift Style Guide. SwiftLint enforces the style guide rules that are generally accepted by the Swift community. These rules are well described in popular style guides like Kodeco's Swift Style Guide.

SwiftLint hooks into Clang and SourceKit to use the AST representation of your source files for more accurate results.

Build Status codecov.io

This project adheres to the Contributor Covenant Code of Conduct. By participating, you are expected to uphold this code. Please report unacceptable behavior to [email protected].

Language Switch: 中文, 한국어.


Using Homebrew:

brew install swiftlint

Using CocoaPods:

Simply add the following line to your Podfile:

pod 'SwiftLint'

This will download the SwiftLint binaries and dependencies in Pods/ during your next pod install execution and will allow you to invoke it via ${PODS_ROOT}/SwiftLint/swiftlint in your Script Build Phases.

This is the recommended way to install a specific version of SwiftLint since it supports installing a pinned version rather than simply the latest (which is the case with Homebrew).

Note that this will add the SwiftLint binaries, its dependencies' binaries, and the Swift binary library distribution to the Pods/ directory, so checking in this directory to SCM such as git is discouraged.

Using Mint:

$ mint install realm/SwiftLint

Using a pre-built package:

You can also install SwiftLint by downloading SwiftLint.pkg from the latest GitHub release and running it.

Installing from source:

You can also build and install from source by cloning this project and running make install (Xcode 15.0 or later).

Using Bazel

Put this in your MODULE.bazel:

bazel_dep(name = "swiftlint", version = "0.52.4", repo_name = "SwiftLint")

Or put this in your WORKSPACE:

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

    name = "build_bazel_rules_apple",
    sha256 = "390841dd5f8a85fc25776684f4793d56e21b098dfd7243cd145b9831e6ef8be6",
    url = "https://github.com/bazelbuild/rules_apple/releases/download/2.4.1/rules_apple.2.4.1.tar.gz",







    name = "SwiftLint",
    sha256 = "c6ea58b9c72082cdc1ada4a2d48273ecc355896ed72204cedcc586b6ccb8aca6",
    url = "https://github.com/realm/SwiftLint/releases/download/0.52.4/bazel.tar.gz",

load("@SwiftLint//bazel:repos.bzl", "swiftlint_repos")


load("@SwiftLint//bazel:deps.bzl", "swiftlint_deps")


Then you can run SwiftLint in the current directory with this command:

bazel run -c opt @SwiftLint//:swiftlint



To get a high-level overview of recommended ways to integrate SwiftLint into your project, we encourage you to watch this presentation or read the transcript:



Integrate SwiftLint into your Xcode project to get warnings and errors displayed in the issue navigator.

To do this select the project in the file navigator, then select the primary app target, and go to Build Phases. Click the + and select "New Run Script Phase". Insert the following as the script:

Xcode 15 made a significant change by setting the default value of the ENABLE_USER_SCRIPT_SANDBOXING Build Setting from NO to YES. As a result, SwiftLint encounters an error related to missing file permissions, which typically manifests as follows: error: Sandbox: swiftlint(19427) deny(1) file-read-data.

To resolve this issue, it is necessary to manually set the ENABLE_USER_SCRIPT_SANDBOXING setting to NO for the specific target that SwiftLint is being configured for.

If you installed SwiftLint via Homebrew on Apple Silicon, you might experience this warning:

warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint

That is because Homebrew on Apple Silicon installs the binaries into the /opt/homebrew/bin folder by default. To instruct Xcode where to find SwiftLint, you can either add /opt/homebrew/bin to the PATH environment variable in your build phase

if [[ "$(uname -m)" == arm64 ]]; then
    export PATH="/opt/homebrew/bin:$PATH"

if which swiftlint > /dev/null; then
  echo "warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint"

or you can create a symbolic link in /usr/local/bin pointing to the actual binary:

ln -s /opt/homebrew/bin/swiftlint /usr/local/bin/swiftlint

You might want to move your SwiftLint phase directly before the 'Compile Sources' step to detect errors quickly before compiling. However, SwiftLint is designed to run on valid Swift code that cleanly completes the compiler's parsing stage. So running SwiftLint before 'Compile Sources' might yield some incorrect results.

If you wish to fix violations as well, your script could run swiftlint --fix && swiftlint instead of just swiftlint. This will mean that all correctable violations are fixed while ensuring warnings show up in your project for remaining violations.

If you've installed SwiftLint via CocoaPods the script should look like this:


Plug-in Support

SwiftLint can be used as a build tool plug-in for both Xcode projects as well as Swift packages.

Due to limitations with Swift Package Manager Plug-ins this is only recommended for projects that have a SwiftLint configuration in their root directory as there is currently no way to pass any additional options to the SwiftLint executable.


You can integrate SwiftLint as an Xcode Build Tool Plug-in if you're working with a project in Xcode.

Add SwiftLint as a package dependency to your project without linking any of the products.

Select the target you want to add linting to and open the Build Phases inspector. Open Run Build Tool Plug-ins and select the + button. Select SwiftLintPlugin from the list and add it to the project.

For unattended use (e.g. on CI), you can disable the package validation dialog by

  • individually passing -skipPackagePluginValidation to xcodebuild or
  • globally setting defaults write com.apple.dt.Xcode IDESkipPackagePluginFingerprintValidatation -bool YES for that user.

Note: This implicitly trusts all Xcode package plugins and bypasses Xcode's package validation dialogs, which has security implications.

Swift Package

You can integrate SwiftLint as a Swift Package Manager Plug-in if you're working with a Swift Package with a Package.swift manifest.

Add SwiftLint as a package dependency to your Package.swift file.
Add SwiftLint to a target using the plugins parameter.

    plugins: [.plugin(name: "SwiftLintPlugin", package: "SwiftLint")]

Visual Studio Code

To integrate SwiftLint with vscode, install the vscode-swiftlint extension from the marketplace.


You can use the official swiftlint fastlane action to run SwiftLint as part of your fastlane process.

    mode: :lint,                            # SwiftLint mode: :lint (default) or :autocorrect
    executable: "Pods/SwiftLint/swiftlint", # The SwiftLint binary path (optional). Important if you've installed it via CocoaPods
    path: "/path/to/lint",                  # Specify path to lint (optional)
    output_file: "swiftlint.result.json",   # The path of the output file (optional)
    reporter: "json",                       # The custom reporter to use (optional)
    config_file: ".swiftlint-ci.yml",       # The path of the configuration file (optional)
    files: [                                # List of files to process (optional)
    ignore_exit_status: true,               # Allow fastlane to continue even if SwiftLint returns a non-zero exit status (Default: false)
    quiet: true,                            # Don't print status logs like 'Linting ' & 'Done linting' (Default: false)
    strict: true                            # Fail on warnings? (Default: false)


swiftlint is also available as a Docker image using Ubuntu. So just the first time you need to pull the docker image using the next command:

docker pull ghcr.io/realm/swiftlint:latest

Then following times, you just run swiftlint inside of the docker like:

docker run -it -v `pwd`:`pwd` -w `pwd` ghcr.io/realm/swiftlint:latest

This will execute swiftlint in the folder where you are right now (pwd), showing an output like:

$ docker run -it -v `pwd`:`pwd` -w `pwd` ghcr.io/realm/swiftlint:latest
Linting Swift files in current working directory
Linting 'RuleDocumentation.swift' (1/490)
Linting 'YamlSwiftLintTests.swift' (490/490)
Done linting! Found 0 violations, 0 serious in 490 files.

Here you have more documentation about the usage of Docker Images.

Command Line

$ swiftlint help
OVERVIEW: A tool to enforce Swift style and conventions.

USAGE: swiftlint <subcommand>

  --version               Show the version.
  -h, --help              Show help information.

  analyze                 Run analysis rules
  docs                    Open SwiftLint documentation website in the default web browser
  generate-docs           Generates markdown documentation for all rules
  lint (default)          Print lint warnings and errors
  reporters               Display the list of reporters and their identifiers
  rules                   Display the list of rules and their identifiers
  version                 Display the current version of SwiftLint

  See 'swiftlint help <subcommand>' for detailed help.

Run swiftlint in the directory containing the Swift files to lint. Directories will be searched recursively.

To specify a list of files when using lint or analyze (like the list of files modified by Xcode specified by the ExtraBuildPhase Xcode plugin, or modified files in the working tree based on git ls-files -m), you can do so by passing the option --use-script-input-files and setting the following instance variables: SCRIPT_INPUT_FILE_COUNT and SCRIPT_INPUT_FILE_0, SCRIPT_INPUT_FILE_1...SCRIPT_INPUT_FILE_{SCRIPT_INPUT_FILE_COUNT - 1}.

These are same environment variables set for input files to custom Xcode script phases.

Working With Multiple Swift Versions

SwiftLint hooks into SourceKit so it continues working even as Swift evolves!

This also keeps SwiftLint lean, as it doesn't need to ship with a full Swift compiler, it just communicates with the official one you already have installed on your machine.

You should always run SwiftLint with the same toolchain you use to compile your code.

You may want to override SwiftLint's default Swift toolchain if you have multiple toolchains or Xcodes installed.

Here's the order in which SwiftLint determines which Swift toolchain to use:

  • xcrun -find swift
  • /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain
  • /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain
  • ~/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain
  • ~/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain

sourcekitd.framework is expected to be found in the usr/lib/ subdirectory of the value passed in the paths above.

You may also set the TOOLCHAINS environment variable to the reverse-DNS notation that identifies a Swift toolchain version:

$ TOOLCHAINS=com.apple.dt.toolchain.Swift_2_3 swiftlint --fix

On Linux, SourceKit is expected to be located in /usr/lib/libsourcekitdInProc.so or specified by the LINUX_SOURCEKIT_LIB_PATH environment variable.


SwiftLint can be run as a pre-commit hook. Once installed, add this to the .pre-commit-config.yaml in the root of your repository:

  - repo: https://github.com/realm/SwiftLint
    rev: 0.50.3
      - id: swiftlint

Adjust rev to the SwiftLint version of your choice. pre-commit autoupdate can be used to update to the current version.

SwiftLint can be configured using entry to apply fixes and fail on errors:

-   repo: https://github.com/realm/SwiftLint
    rev: 0.50.3
    -   id: swiftlint
        entry: swiftlint --fix --strict


Over 200 rules are included in SwiftLint and the Swift community (that's you!) continues to contribute more over time. Pull requests are encouraged.

You can find an updated list of rules and more information about them here.

You can also check Source/SwiftLintBuiltInRules/Rules directory to see their implementation.

Opt-In Rules

opt_in_rules are disabled by default (i.e., you have to explicitly enable them in your configuration file).

Guidelines on when to mark a rule as opt-in:

  • A rule that can have many false positives (e.g. empty_count)
  • A rule that is too slow
  • A rule that is not general consensus or is only useful in some cases (e.g. force_unwrapping)

Disable rules in code

Rules can be disabled with a comment inside a source file with the following format:

// swiftlint:disable <rule1> [<rule2> <rule3>...]

The rules will be disabled until the end of the file or until the linter sees a matching enable comment:

// swiftlint:enable <rule1> [<rule2> <rule3>...]

For example:

// swiftlint:disable colon
let noWarning :String = "" // No warning about colons immediately after variable names!
// swiftlint:enable colon
let hasWarning :String = "" // Warning generated about colons immediately after variable names

Including the all keyword will disable all rules until the linter sees a matching enable comment:

// swiftlint:disable all // swiftlint:enable all

For example:

// swiftlint:disable all
let noWarning :String = "" // No warning about colons immediately after variable names!
let i = "" // Also no warning about short identifier names
// swiftlint:enable all
let hasWarning :String = "" // Warning generated about colons immediately after variable names
let y = "" // Warning generated about short identifier names

It's also possible to modify a disable or enable command by appending :previous, :this or :next for only applying the command to the previous, this (current) or next line respectively.

For example:

// swiftlint:disable:next force_cast
let noWarning = NSNumber() as! Int
let hasWarning = NSNumber() as! Int
let noWarning2 = NSNumber() as! Int // swiftlint:disable:this force_cast
let noWarning3 = NSNumber() as! Int
// swiftlint:disable:previous force_cast

Run swiftlint rules to print a list of all available rules and their identifiers.


Configure SwiftLint by adding a .swiftlint.yml file from the directory you'll run SwiftLint from. The following parameters can be configured:

Rule inclusion:

  • disabled_rules: Disable rules from the default enabled set.
  • opt_in_rules: Enable rules that are not part of the default set. The special all identifier will enable all opt in linter rules, except the ones listed in disabled_rules.
  • only_rules: Only the rules specified in this list will be enabled. Cannot be specified alongside disabled_rules or opt_in_rules.
  • analyzer_rules: This is an entirely separate list of rules that are only run by the analyze command. All analyzer rules are opt-in, so this is the only configurable rule list, there are no equivalents for disabled_rules only_rules.
# By default, SwiftLint uses a set of sensible default rules you can adjust:
disabled_rules: # rule identifiers turned on by default to exclude from running
  - colon
  - comma
  - control_statement
opt_in_rules: # some rules are turned off by default, so you need to opt-in
  - empty_count # find all the available rules by running: `swiftlint rules`

# Alternatively, specify all rules explicitly by uncommenting this option:
# only_rules: # delete `disabled_rules` & `opt_in_rules` if using this
#   - empty_parameters
#   - vertical_whitespace

analyzer_rules: # rules run by `swiftlint analyze`
  - explicit_self

included: # case-sensitive paths to include during linting. `--path` is ignored if present
  - Sources
excluded: # case-sensitive paths to ignore during linting. Takes precedence over `included`
  - Carthage
  - Pods
  - Sources/ExcludedFolder
  - Sources/ExcludedFile.swift
  - Sources/*/ExcludedFile.swift # exclude files with a wildcard

# If true, SwiftLint will not fail if no lintable files are found.
allow_zero_lintable_files: false

# If true, SwiftLint will treat all warnings as errors.
strict: false

# configurable rules can be customized from this configuration file
# binary rules can set their severity level
force_cast: warning # implicitly
  severity: warning # explicitly
# rules that have both warning and error levels, can set just the warning level
# implicitly
line_length: 110
# they can set both implicitly with an array
  - 300 # warning
  - 400 # error
# or they can set both explicitly
  warning: 500
  error: 1200
# naming rules can set warnings/errors for min_length and max_length
# additionally they can set excluded names
  min_length: 4 # only warning
  max_length: # warning and error
    warning: 40
    error: 50
  excluded: iPhone # excluded via string
  allowed_symbols: ["_"] # these are allowed in type names
  min_length: # only min_length
    error: 4 # only error
  excluded: # excluded via string array
    - id
    - URL
    - GlobalAPIKey
reporter: "xcode" # reporter type (xcode, json, csv, checkstyle, codeclimate, junit, html, emoji, sonarqube, markdown, github-actions-logging, summary)

You can also use environment variables in your configuration file, by using ${SOME_VARIABLE} in a string.

Defining Custom Rules

In addition to the rules that the main SwiftLint project ships with, SwiftLint can also run two types of custom rules that you can define yourself in your own projects:

1. Swift Custom Rules

These rules are written the same way as the Swift-based rules that ship with SwiftLint so they're fast, accurate, can leverage SwiftSyntax, can be unit tested, and more.

Using these requires building SwiftLint with Bazel as described in this video or its associated code in github.com/jpsim/swiftlint-bazel-example.

2. Regex Custom Rules

You can define custom regex-based rules in your configuration file using the following syntax:

  pirates_beat_ninjas: # rule identifier
      - ".*\\.swift" # regex that defines paths to include during linting. optional.
      - ".*Test\\.swift" # regex that defines paths to exclude during linting. optional
    name: "Pirates Beat Ninjas" # rule name. optional.
    regex: "([nN]inja)" # matching pattern
    capture_group: 0 # number of regex capture group to highlight the rule violation at. optional.
    match_kinds: # SyntaxKinds to match. optional.
      - comment
      - identifier
    message: "Pirates are better than ninjas." # violation message. optional.
    severity: error # violation severity. optional.
    regex: "([nN]inja)"
    match_kinds: string

This is what the output would look like:

It is important to note that the regular expression pattern is used with the flags s and m enabled, that is . matches newlines and ^/$ match the start and end of lines, respectively. If you do not want to have . match newlines, for example, the regex can be prepended by (?-s).

You can filter the matches by providing one or more match_kinds, which will reject matches that include syntax kinds that are not present in this list. Here are all the possible syntax kinds:

  • argument
  • attribute.builtin
  • attribute.id
  • buildconfig.id
  • buildconfig.keyword
  • comment
  • comment.mark
  • comment.url
  • doccomment
  • doccomment.field
  • identifier
  • keyword
  • number
  • objectliteral
  • parameter
  • placeholder
  • string
  • string_interpolation_anchor
  • typeidentifier

All syntax kinds used in a snippet of Swift code can be extracted asking SourceKitten. For example, sourcekitten syntax --text "struct S {}" delivers

  • source.lang.swift.syntaxtype.keyword for the struct keyword and
  • source.lang.swift.syntaxtype.identifier for its name S

which match to keyword and identifier in the above list.

If using custom rules in combination with only_rules, make sure to add custom_rules as an item under only_rules.

Unlike Swift custom rules, you can use official SwiftLint builds (e.g. from Homebrew) to run regex custom rules.


SwiftLint can automatically correct certain violations. Files on disk are overwritten with a corrected version.

Please make sure to have backups of these files before running swiftlint --fix, otherwise important data may be lost.

Standard linting is disabled while correcting because of the high likelihood of violations (or their offsets) being incorrect after modifying a file while applying corrections.


The swiftlint analyze command can lint Swift files using the full type-checked AST. The compiler log path containing the clean swiftc build command invocation (incremental builds will fail) must be passed to analyze via the --compiler-log-path flag. e.g. --compiler-log-path /path/to/xcodebuild.log

This can be obtained by

  1. Cleaning DerivedData (incremental builds won't work with analyze)
  2. Running xcodebuild -workspace {WORKSPACE}.xcworkspace -scheme {SCHEME} > xcodebuild.log
  3. Running swiftlint analyze --compiler-log-path xcodebuild.log

Analyzer rules tend to be considerably slower than lint rules.

Using Multiple Configuration Files

SwiftLint offers a variety of ways to include multiple configuration files. Multiple configuration files get merged into one single configuration that is then applied just as a single configuration file would get applied.

There are quite a lot of use cases where using multiple configuration files could be helpful:

For instance, one could use a team-wide shared SwiftLint configuration while allowing overrides in each project via a child configuration file.

Team-Wide Configuration:

- force_cast

Project-Specific Configuration:

- force_cast

Child / Parent Configs (Locally)

You can specify a child_config and / or a parent_config reference within a configuration file. These references should be local paths relative to the folder of the configuration file they are specified in. This even works recursively, as long as there are no cycles and no ambiguities.

A child config is treated as a refinement and therefore has a higher priority, while a parent config is considered a base with lower priority in case of conflicts.

Here's an example, assuming you have the following file structure:

    |_ .swiftlint.yml
    |_ .swiftlint_refinement.yml
    |_ Base
        |_ .swiftlint_base.yml

To include both the refinement and the base file, your .swiftlint.yml should look like this:

child_config: .swiftlint_refinement.yml
parent_config: Base/.swiftlint_base.yml

When merging parent and child configs, included and excluded configurations are processed carefully to account for differences in the directory location of the containing configuration files.

Child / Parent Configs (Remote)

Just as you can provide local child_config / parent_config references, instead of referencing local paths, you can just put urls that lead to configuration files. In order for SwiftLint to detect these remote references, they must start with http:// or https://.

The referenced remote configuration files may even recursively reference other remote configuration files, but aren't allowed to include local references.

Using a remote reference, your .swiftlint.yml could look like this:

parent_config: https://myteamserver.com/our-base-swiftlint-config.yml

Every time you run SwiftLint and have an Internet connection, SwiftLint tries to get a new version of every remote configuration that is referenced. If this request times out, a cached version is used if available. If there is no cached version available, SwiftLint fails – but no worries, a cached version should be there once SwiftLint has run successfully at least once.

If needed, the timeouts for the remote configuration fetching can be specified manually via the configuration file(s) using the remote_timeout / remote_timeout_if_cached specifiers. These values default to 2 / 1 second(s).

Command Line

Instead of just providing one configuration file when running SwiftLint via the command line, you can also pass a hierarchy, where the first configuration is treated as a parent, while the last one is treated as the highest-priority child.

A simple example including just two configuration files looks like this:

swiftlint --config .swiftlint.yml --config .swiftlint_child.yml

Nested Configurations

In addition to a main configuration (the .swiftlint.yml file in the root folder), you can put other configuration files named .swiftlint.yml into the directory structure that then get merged as a child config, but only with an effect for those files that are within the same directory as the config or in a deeper directory where there isn't another configuration file. In other words: Nested configurations don't work recursively – there's a maximum number of one nested configuration per file that may be applied in addition to the main configuration.

.swiftlint.yml files are only considered as a nested configuration if they have not been used to build the main configuration already (e. g. by having been referenced via something like child_config: Folder/.swiftlint.yml). Also, parent_config / child_config specifications of nested configurations are getting ignored because there's no sense to that.

If one (or more) SwiftLint file(s) are explicitly specified via the --config parameter, that configuration will be treated as an override, no matter whether there exist other .swiftlint.yml files somewhere within the directory. So if you want to use nested configurations, you can't use the --config parameter.


MIT licensed.


SwiftLint is maintained and funded by Realm Inc. The names and logos for Realm are trademarks of Realm Inc.

We :heart: open source software! See our other open source projects, read our blog, or say hi on twitter (@realm).

Our thanks to MacStadium for providing a Mac Mini to run our performance tests.


Stars: 17781
Last commit: 15 hours ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.

Release Notes

0.53.0: Laundry List
23 hours ago


  • Hide all Reporters from SwiftLint's' public interface.

  • The options inlcuded, name and message are from now on ignored in the configuration for the private_unit_test rule. The option regex is still supported but is deprecated. It's recommended to use the list test_parent_classes instead which accepts names of parent test classes.

  • Remove support for disable and enable commands in multiline comments.
    Martin Redington #4798


  • None.


  • Show specific violation message for the attributes rule when the option always_on_line_above or attributes_with_arguments_always_on_line_above is involved.
    chrisngabp 5103

  • Rewrite control_statement rule using SwiftSyntax.

  • Add new non_overridable_class_declaration rule that triggers on class function and variable declarations in final classes that are not final themselves or private.

  • The Homebrew formula for SwiftLint now also installs completion scripts for Bash, Zsh and fish.

  • Add new private_swiftui_state_property opt-in rule to encourage setting SwiftUI @State and @StateObject properties to private.
    mt00chikin #3173

  • The implicit_return rule now supports the kinds subscript and initializer in the included configuration list.

  • Add unneeded_override rule to remove function overrides that only call super.
    keith 5139

  • Show a rule's active YAML configuration in output of swiftlint rules <rule>.

  • Add invokeTest() to overridden_super_call defaults.

  • Add --config-only option to rules command allowing to print only the YAML configuration of a single or all rules.

  • Add --default-config option to rules command allowing to use default values for configurations being printed for a single rule or all rules.

  • Add include_bare_init option to the explicit_init rule. include_bare_init encourages using named constructors over .init() and type inference.
    Martin Redington #5203

  • Improved the reported location and reasons provided for issues detected by the invalid_seiftlint_command rule.
    Martin Redington #5204

  • 100 is no longer considered to be a magic number by the no_magic_numbers rule.
    Martin Redington #5215

  • Adds a strict configuration file setting, equivalent to the --strict command line option. Martin Redington #5226

  • Extend implicitly_unwrapped_optional rule with the new mode weak_except_iboutlets that only checks weak variables.
    Ricky Tan

Bug Fixes

  • Respect grapheme clusters in counting the number of characters in the collection_alignment rule.
    kishikawakatsumi #4837

  • Fix false positive in control_statement rule that triggered on conditions with trailing closures where parentheses are recommended by the compiler.
    SimplyDanny #5135

  • Fix runtime error when an excluded directory does not exist.
    SimplyDanny #5078

  • Support switch expressions used in expression contexts in switch_case_alignment rule.
    SimplyDanny #5191 #5227 #5080

  • Fix bug in prefer_self_in_static_references rule that triggered on initializers of computed properties in classes when the property had an accessor block.
    SimplyDanny #5118

  • Document exclude_ranges option for number_separator rule.

  • Rewrite implicit_return rule with SwiftSyntax fixing a few false positives and false negatives in the process.
    SimplyDanny #5161

  • Make sure severity is configurable for type_contents_order rule.

  • Bazel: Mark rules_xcodeproj as a development dependency.
    Thi Doãn JP Simard #4737

  • Fix false negatives for the unneeded_synthesized_initializer rule for nested structs in classes.
    Martin Redington #5120

  • Fix some unexpected rule enablement interactions between parent and child configurations.
    Martin Redington #4876

  • The no_magic_numbers rule will not trigger for violations in an extension, if the extended class inherits from one of the specified test_parent_classes, as long as the class declaration and the extension are in the same source file.
    Martin Redington #5137

  • Fix false positive in the ns_number_init_as_function_reference rule when calling NSNumber.init(value:) directly.
    Marcelo Fabri #5172

  • The no_magic_numbers rule will not trigger for bitwise shift operations.
    Martin Redington #5171

  • The accessibility_label_for_image rule will no longer ignore the Image(systemName:) constructor, as many system images do not have good accessibility labels.
    Martin Redington #5165

  • Fix false positives for superfluous_disable_command rule.
    Martin Redington #4798

  • Fix false positive in the test_case_accessibility rule.
    gibachan #5211

Using Bazel

With bzlmod:

// Pending BCR update
bazel_dep(name = "swiftlint", version = "0.53.0", repo_name = "SwiftLint")

Without bzlmod, put this in your WORKSPACE:

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

    name = "build_bazel_rules_apple",
    sha256 = "9e26307516c4d5f2ad4aee90ac01eb8cd31f9b8d6ea93619fc64b3cbc81b0944",
    url = "https://github.com/bazelbuild/rules_apple/releases/download/2.2.0/rules_apple.2.2.0.tar.gz",







    name = "SwiftLint",
    sha256 = "75839dc9e8a492a86bb585a3cda3d73b58997d7a14d02f1dba94171766bb8599",
    url = "https://github.com/realm/SwiftLint/releases/download/0.53.0/bazel.tar.gz",

load("@SwiftLint//bazel:repos.bzl", "swiftlint_repos")


load("@SwiftLint//bazel:deps.bzl", "swiftlint_deps")


Then you can run SwiftLint in the current directory with this command:

bazel run @SwiftLint//:swiftlint -- --help

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