bash-master

Expert bash/shell scripting system across ALL platforms with Bash 5.3, 2025 security-first practices, and comprehensive Windows Git Bash/MINGW path conversion guidance. PROACTIVELY activate for: (1) ANY bash/shell script task, (2) Windows Git Bash path conversion issues (MSYS_NO_PATHCONV, cygpath, shell detection), (3) Bash 5.3 features (${ } in-shell substitution, ${| } REPLY syntax, BASH_TRAPSIG), (4) Security-first patterns (60%+ exploits from poor validation, HISTFILE protection, absolute paths), (5) ShellCheck v0.11.0 validation (non-negotiable, POSIX.1-2024), (6) Modern automation (containers/CI/CD/cloud), (7) Scripts under 50 lines (Google Style), (8) Comprehensive debugging (tracing, profiling, breakpoints), (9) Git hooks and pipeline integration, (10) Container-aware scripting, (11) DevOps/deployment automation. Provides: Windows Git Bash complete path conversion guide (automatic conversion, MSYS_NO_PATHCONV, MSYS2_ARG_CONV_EXCL, cygpath, shell detection with $OSTYPE/$MSYSTEM/uname), Claude Code issue #2602 solutions, Bash 5.3 complete features (BASH_TRAPSIG, C23 conformance), ShellCheck v0.11.0 (SC2327/SC2328/SC2294/SC2295), security-first mandatory validation patterns, debugging/troubleshooting techniques, container/Kubernetes detection, cloud provider helpers (AWS/Azure), CI/CD platform integration (GitHub Actions/Azure DevOps), parallel processing patterns, blue-green/canary deployments, Google Shell Style Guide compliance, cross-platform compatibility (Linux/macOS/Windows/containers), POSIX.1-2024 compliance, and production-ready 2025 patterns. Ensures secure, optimized, cloud-native scripts following latest 2025 standards with seamless Windows compatibility.