Skill

Configure ShellCheck for Code Quality

ShellCheck is a static analysis tool that detects problematic patterns in Bash, sh, dash, ksh, and POSIX shell scripts with over 100 warnings and errors.

Works with githubgitlab

79
Spark score
out of 100
Updated 8 days ago
Version 15.7.1

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Why it matters

Enhance your shell script quality by leveraging ShellCheck for comprehensive static code analysis. This asset provides guidance on configuration, integration into CI/CD pipelines, and understanding common error codes to enforce best practices and catch pitfalls.

Outcomes

What it gets done

01

Set up ShellCheck linting in CI/CD pipelines.

02

Analyze existing shell scripts for potential issues.

03

Configure ShellCheck rules and suppress false positives.

04

Integrate ShellCheck into development workflows and pre-commit hooks.

Install

Add it to your toolbox

Run in your project directory:

curl -fsSL https://spark.entire.vc/get/ag-shellcheck-configuration | bash

Overview

ShellCheck Configuration and Static Analysis

ShellCheck is a static analysis tool that examines shell scripts written in Bash, sh, dash, ksh, and other POSIX shells to identify problematic patterns. It detects over 100 different warnings and errors, supports configuration for target shell dialects and analysis flags, and integrates with editors and CI/CD systems. Use ShellCheck when you need to validate shell scripts during development, code review, or automated testing, especially when scripts must run across different shell environments.

What it does

ShellCheck is a static analysis tool that analyzes shell scripts and detects problematic patterns. It examines scripts written in Bash, sh, dash, ksh, and other POSIX-compliant shells, identifying over 100 different warnings and errors.

When to use - and when NOT to

Use ShellCheck when you need to validate shell scripts during development, code review, or as part of automated testing pipelines. It is particularly valuable when writing scripts that must run across different shell environments.

Do not use ShellCheck if you are working with non-shell scripting languages or if your scripts use highly specialized shell extensions that fall outside POSIX standards and the supported shell dialects.

Inputs and outputs

You provide shell script files written in Bash, sh, dash, ksh, or other POSIX shells, along with optional configuration specifying the target shell dialect and analysis flags. ShellCheck processes these scripts and returns a report identifying problematic patterns.

Integrations

ShellCheck integrates with editors and CI/CD systems.

Who it's for

ShellCheck is for those who write or maintain shell scripts.

Source README

ShellCheck is a static analysis tool that analyzes shell scripts and detects problematic patterns. It supports:

  • Bash, sh, dash, ksh, and other POSIX shells
  • Over 100 different warnings and errors
  • Configuration for target shell and flags
  • Integration with editors and CI/CD systems

FAQ

Common questions

Discussion

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