What is Bash 'Strict Mode'?

It refers to the configuration 'set -Eeuo pipefail' which ensures scripts exit immediately when a command fails, an unset variable is referenced, or a command in a pipeline returns a non-zero status.

Is this skill suitable for CI/CD environments?

Absolutely. It is specifically designed to create the high-reliability, fault-tolerant scripts required for automated build, test, and deployment pipelines.

Why does this skill prefer [[ ]] over [ ]?

The [[ ]] construct is a Bash-specific keyword that is significantly more robust than the POSIX [ ] utility, as it handles empty variables and globbing more safely.

How does this skill handle script cleanup?

It utilizes Bash 'traps' to define cleanup functions that execute automatically on script exit, interruption, or error, ensuring temporary files and background processes are always removed.

Does it support dry-run functionality?

Yes, it includes patterns for implementing a --dry-run flag, allowing users to preview file changes or command executions before they are actually performed.

Bash Defensive Patterns

Name: Bash Defensive Patterns
Author: HermeticOrmus

byHermeticOrmus

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部署与 DevOps

Implements production-grade shell scripting techniques to ensure script reliability, safety, and error resilience.

This skill provides Claude with comprehensive patterns for writing robust 'defensive' Bash scripts, moving beyond basic commands to professional-grade automation. It enforces strict error handling using the 'unofficial strict mode,' implements sophisticated cleanup traps, ensures variable and array safety, and provides structured templates for argument parsing and logging. Whether you are building CI/CD pipelines, system utilities, or deployment scripts, this skill helps prevent common silent failures and creates maintainable shell libraries that function reliably across diverse environments.

主要功能

014 GitHub stars

02Idempotent Script Design to ensure safety during repeated executions

03Safe Variable and Array Handling to prevent word splitting and globbing

04Robust Error Trapping and automated resource cleanup on exit

05Strict Mode Enforcement (set -Eeuo pipefail) for early error detection

06Comprehensive Argument Parsing templates for professional CLI interfaces

使用场景

01Hardening CI/CD pipeline scripts against silent failures and edge cases

02Building cross-platform deployment automation with integrated dry-run support

03Creating system administration utilities that require high reliability and safety

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/claude-code-game-development bash-defensive-patterns

For use in Claude.ai and ChatGPT

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