playbook/superpowers/hooks/session-start.sh

53 lines
1.9 KiB
Bash

#!/usr/bin/env bash
# SessionStart hook for superpowers plugin
set -euo pipefail
# Determine plugin root directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" && pwd)"
PLUGIN_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
# Check if legacy skills directory exists and build warning
warning_message=""
legacy_skills_dir="${HOME}/.config/superpowers/skills"
if [ -d "$legacy_skills_dir" ]; then
warning_message="\n\n<important-reminder>IN YOUR FIRST REPLY AFTER SEEING THIS MESSAGE YOU MUST TELL THE USER:⚠️ **WARNING:** Superpowers now uses Claude Code's skills system. Custom skills in ~/.config/superpowers/skills will not be read. Move custom skills to ~/.claude/skills instead. To make this message go away, remove ~/.config/superpowers/skills</important-reminder>"
fi
# Read using-superpowers content
using_superpowers_content=$(cat "${PLUGIN_ROOT}/skills/using-superpowers/SKILL.md" 2>&1 || echo "Error reading using-superpowers skill")
# Escape outputs for JSON using pure bash
escape_for_json() {
local input="$1"
local output=""
local i char
for (( i=0; i<${#input}; i++ )); do
char="${input:$i:1}"
case "$char" in
$'\\') output+='\\' ;;
'"') output+='\"' ;;
$'\n') output+='\n' ;;
$'\r') output+='\r' ;;
$'\t') output+='\t' ;;
*) output+="$char" ;;
esac
done
printf '%s' "$output"
}
using_superpowers_escaped=$(escape_for_json "$using_superpowers_content")
warning_escaped=$(escape_for_json "$warning_message")
# Output context injection as JSON
cat <<EOF
{
"hookSpecificOutput": {
"hookEventName": "SessionStart",
"additionalContext": "<EXTREMELY_IMPORTANT>\nYou have superpowers.\n\n**Below is the full content of your 'superpowers:using-superpowers' skill - your introduction to using skills. For all other skills, use the 'Skill' tool:**\n\n${using_superpowers_escaped}\n\n${warning_escaped}\n</EXTREMELY_IMPORTANT>"
}
}
EOF
exit 0