Defensive Bash/POSIX shell quality: strict-mode `set` flags, traps, idempotent mutation of live systems (deploy, sshd/sudoers, systemd), ShellCheck discipline, bats-core tests. Use when writing, hardening, reviewing, or testing shell scripts, or wiring shellcheck/bats into CI.
Defensive Bash/POSIX shell quality: strict-mode `set` flags, traps, idempotent mutation of live systems (deploy, sshd/sudoers, systemd), ShellCheck discipline, bats-core tests. Use when writing, hardening, reviewing, or testing shell scripts, or wiring shellcheck/bats into CI.