Enforces safe mvdan/sh shell execution rules for Invowk's virtual runtime.
npx skills add https://github.com/invowk/invowk --skill shell-invowk
Please help me install this Agent Skill. Skill: shell Source: https://github.com/invowk/invowk/tree/main/.claude/skills/shell Command: npx skills add https://github.com/invowk/invowk --skill shell-invowk
Shell runtime rules for Invowk's mvdan/sh virtual shell, preventing misconfiguration and unsafe scripting.
Configure your shell execution to follow these rules in the mvdan/sh virtual runtime.
High-intent search queries and answers about installing and using this skill.
To prevent mvdan/sh from interpreting positional arguments as options during shell script execution, always prepend `--` before passing arguments to ensure correct parsing and avoid misconfiguration.
Shell arithmetic fails under strict mode because increment operations trigger non-zero exit codes, breaking execution under `set -e`; applying safe arithmetic patterns prevents this script termination.
Strict mode for safe shell script execution uses `set -euo pipefail` to enforce deterministic behavior, ensuring scripts fail immediately on errors or undefined variables within the virtual runtime.
Yes, mvdan/sh supports cross-platform script execution across native, virtual, and container modes by enforcing deterministic runtime rules for safe shell execution flows.
The best way to configure deterministic shell execution rules is to apply strict mode, prepend `--` for positional arguments, and use safe arithmetic patterns within the virtual runtime.
You need safe shell runtime rules when executing scripts through mvdan/sh to prevent misconfiguration, ensure deterministic behavior, and avoid unsafe scripting practices across virtual and container modes.
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