shellcheck-configuration

# ShellCheck Configuration and Static Analysis Comprehensive guidance for configuring and using ShellCheck to improve shell script quality, catch common pitfalls, and enforce best practices through static code analysis. ## Do not use this skill when - The task is unrelated to shellcheck configuration and static analysis - You need a different domain or tool outside this scope ## Instructions - Clarify goals, constraints, and required inputs. - Apply relevant best practices and validate outcomes. - Provide actionable steps and verification. - If detailed examples are required, open `resources/implementation-playbook.md`. ## Use this skill when - Setting up linting for shell scripts in CI/CD pipelines - Analyzing existing shell scripts for issues - Understanding ShellCheck error codes and warnings - Configuring ShellCheck for specific project requirements - Integrating ShellCheck into development workflows - Suppressing false positives and configuring rule sets - Enforcing consistent code quality standards - Migrating scripts to meet quality gates ## ShellCheck Fundamentals ### What is ShellCheck? 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 ### Installation ```bash # macOS with Homebrew brew install shellcheck # Ubuntu/Debian ...