52 lines
2.1 KiB
Bash
52 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# SessionStart hook for superpowers plugin
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set -euo pipefail
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# Determine plugin root directory
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" && pwd)"
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PLUGIN_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
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# Check if legacy skills directory exists and build warning
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warning_message=""
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legacy_skills_dir="${HOME}/.config/superpowers/skills"
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if [ -d "$legacy_skills_dir" ]; then
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warning_message="\n\n<important-reminder>IN YOUR FIRST REPLY AFTER SEEING THIS MESSAGE YOU MUST TELL THE USER:⚠️ **WARNING:** Superpowers now uses Claude Code's skills system. Custom skills in ~/.config/superpowers/skills will not be read. Move custom skills to ~/.claude/skills instead. To make this message go away, remove ~/.config/superpowers/skills</important-reminder>"
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fi
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# Read using-superpowers content
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using_superpowers_content=$(cat "${PLUGIN_ROOT}/skills/using-superpowers/SKILL.md" 2>&1 || echo "Error reading using-superpowers skill")
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# Escape string for JSON embedding using bash parameter substitution.
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# Each ${s//old/new} is a single C-level pass - orders of magnitude
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# faster than the character-by-character loop this replaces.
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escape_for_json() {
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local s="$1"
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s="${s//\\/\\\\}"
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s="${s//\"/\\\"}"
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s="${s//$'\n'/\\n}"
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s="${s//$'\r'/\\r}"
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s="${s//$'\t'/\\t}"
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printf '%s' "$s"
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}
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using_superpowers_escaped=$(escape_for_json "$using_superpowers_content")
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warning_escaped=$(escape_for_json "$warning_message")
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session_context="<EXTREMELY_IMPORTANT>\nYou have superpowers.\n\n**Below is the full content of your 'superpowers:using-superpowers' skill - your introduction to using skills. For all other skills, use the 'Skill' tool:**\n\n${using_superpowers_escaped}\n\n${warning_escaped}\n</EXTREMELY_IMPORTANT>"
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# Output context injection as JSON.
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# Keep both shapes for compatibility:
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# - Cursor hooks expect additional_context.
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# - Claude hooks expect hookSpecificOutput.additionalContext.
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cat <<EOF
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{
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"additional_context": "${session_context}",
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"hookSpecificOutput": {
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"hookEventName": "SessionStart",
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"additionalContext": "${session_context}"
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}
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}
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EOF
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exit 0
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