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ktlint

This is BETA. The behavior of this tool might change.

Supported Version	Language	Website
0.39.0 ¹	Kotlin	https://ktlint.github.io

ktlint is a linter with built-in formatter for Kotlin programming language.

¹ You can use Gradle or Maven to install any version of ktlint, but note that the version may not compatible with Sider.

Getting Started

To start using ktlint, enable it in your repository settings.

Configuration

You can customize your ktlint analysis using sider.yml as follows:

linter:
  ktlint:
    target:
      - "src/**/*.kt"
      - "!src/**/*Test.kt"
      - "test/"
    ruleset:
      - custom_ruleset.jar
    disabled_rules:
      - "no-wildcard-imports"
      - "indent"
    experimental: true

Name	Type	Default
root_dir	string	-
jvm_deps	string[][]	[]
target	string, string[]	[]
ruleset	string, string[]	[]
disabled_rules	string, string[]	[]
experimental	boolean	false

target

This option allows you to specify glob patterns of files to analyze. If omitted, Sider analyzes all Kotlin files in your repository.

ruleset

This option allows you to specify URLs to rulesets you want to enable.

disabled_rules

This option allows you to specify rule names to disable.

experimental

This option allows you to use the experimental rules.

---

cli

This option was removed.

This option allows you to configure the CLI execution. For example:

linter:
  ktlint:
    cli:
      patterns:
        - "src/**/*.kt"
        - "!src/**/*Test.kt"
      ruleset:
        - "https://example.com/custom/ruleset.jar"
      disabled_rules:
        - "no-wildcard-imports"
      experimental: true

cli.patterns

This option was removed.

This option allows you to specify glob patterns or directories to analyze. If omitted, Sider analyzes all Kotlin files in your repository.

cli.ruleset

This option was removed.

This option allows you to specify URLs to rulesets you want to enable.

cli.disabled_rules

This option was removed.

This option allows you to specify rule names you want to disable.

cli.experimental

This option was removed.

This option allows you to specify whether enabling experimental rules or not.

gradle

This option was removed.

This option allows you to configure the Gradle integration. For example:

linter:
  ktlint:
    gradle:
      task: ktlint
      reporter: checkstyle
      output: build/reports/ktlint/ktlintMainSourceSetCheck.xml

gradle.task

This option was removed.

This option allows you to specify a Gradle task to execute ktlint.

gradle.reporter

This option was removed.

This option allows you to specify a reporter of the output from the task.

We recommend using the json or checkstyle reporter for Sider integration. Because the plain reporter does not print any rule ID which is used to identify issues in Sider.

gradle.output

This option was removed.

This option allows you to specify a file path that contains the output. If omitted, Sider reads the output from STDOUT.

maven

This option was removed.

This option allows you to configure the Maven integration. For example:

linter:
  ktlint:
    maven:
      goal: "antrun:run@ktlint"
      reporter: checkstyle
      output: target/ktlint.xml

maven.goal

This option was removed.

This option allows you to specify a Maven goal to execute ktlint.

maven.reporter

This option was removed.

This option allows you to specify a reporter of the output from the goal. It has the same limitation as gradle.reporter.

maven.output

This option was removed.

This option allows you to specify a file path that contains the output.