ShellCheck Config Generator
Generate ShellCheck configuration for shell script linting.
Capabilities
- Generate .shellcheckrc files
- Configure rule exclusions
- Set shell dialect
- Configure severity levels
- Document rule decisions
- Create project-specific configs
Usage
Invoke this skill when you need to:
- Set up ShellCheck for a project
- Configure linting rules
- Exclude specific warnings
- Document rule decisions
Generated Configuration
# .shellcheckrc - ShellCheck configuration
# https://www.shellcheck.net/wiki/
# Default shell dialect (sh, bash, dash, ksh)
shell=bash
# Source path for sourced files
source-path=SCRIPTDIR
source-path=lib/
# External sources (follow source commands)
external-sources=true
# Severity level: error, warning, info, style
severity=warning
# Disable specific warnings
# SC1090: Can't follow non-constant source
disable=SC1090
# SC1091: Not following (sourced file not found)
disable=SC1091
# SC2034: Variable appears unused (often used in sourced scripts)
# disable=SC2034
# SC2086: Double quote to prevent globbing (sometimes intentional)
# disable=SC2086
# SC2155: Declare and assign separately
# disable=SC2155
# Enable optional checks
# Check for unquoted variables that could be empty
enable=check-unassigned-uppercase
# Check for extra masking of return values
enable=check-extra-masked-returns
Rule Categories
Critical (Never Disable)
- SC2094: File read and written in same pipeline
- SC2095: Add < /dev/null to prevent ssh from eating stdin
- SC2096: Script requires shebang
- SC2148: Missing shebang
Important (Disable Carefully)
- SC2086: Double quote to prevent globbing
- SC2046: Quote to prevent word splitting
- SC2035: Use ./* to avoid globbing issues
- SC2012: Use find instead of ls
Style (Project Decision)
- SC2034: Variable appears unused
- SC2155: Declare and assign separately
- SC2164: Use cd ... || exit
Target Processes
- shell-script-development
- cli-unit-integration-testing
- cross-platform-cli-compatibility