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pixelheros/.claude/hooks/detect-gaps.sh
2026-05-15 14:52:29 +08:00

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#!/bin/bash
# Hook: detect-gaps.sh
# Event: SessionStart
# Purpose: Detect missing documentation when code/prototypes exist
# Cross-platform: Windows Git Bash compatible (uses grep -E, not -P)
# Exit on error for debugging (but don't fail the session)
set +e
echo "=== Checking for Documentation Gaps ==="
# --- Check 0: Fresh project detection (suggests /start) ---
FRESH_PROJECT=true
# Check if engine is configured
if [ -f ".claude/docs/technical-preferences.md" ]; then
ENGINE_LINE=$(grep -E "^\- \*\*Engine\*\*:" .claude/docs/technical-preferences.md 2>/dev/null)
if [ -n "$ENGINE_LINE" ] && ! echo "$ENGINE_LINE" | grep -q "TO BE CONFIGURED" 2>/dev/null; then
FRESH_PROJECT=false
fi
fi
# Check if game concept exists
if [ -f "design/gdd/game-concept.md" ]; then
FRESH_PROJECT=false
fi
# Check if source code exists
if [ -d "src" ]; then
SRC_CHECK=$(find src -type f \( -name "*.gd" -o -name "*.cs" -o -name "*.cpp" -o -name "*.c" -o -name "*.h" -o -name "*.hpp" -o -name "*.rs" -o -name "*.py" -o -name "*.js" -o -name "*.ts" \) 2>/dev/null | head -1)
if [ -n "$SRC_CHECK" ]; then
FRESH_PROJECT=false
fi
fi
if [ "$FRESH_PROJECT" = true ]; then
echo ""
echo "🚀 NEW PROJECT: No engine configured, no game concept, no source code."
echo " This looks like a fresh start! Run: /start"
echo ""
echo "💡 To get a comprehensive project analysis, run: /project-stage-detect"
echo "==================================="
exit 0
fi
# --- Check 1: Substantial codebase but sparse design docs ---
if [ -d "src" ]; then
# Count source files (cross-platform, handles Windows paths)
SRC_FILES=$(find src -type f \( -name "*.gd" -o -name "*.cs" -o -name "*.cpp" -o -name "*.c" -o -name "*.h" -o -name "*.hpp" -o -name "*.rs" -o -name "*.py" -o -name "*.js" -o -name "*.ts" \) 2>/dev/null | wc -l)
else
SRC_FILES=0
fi
if [ -d "design/gdd" ]; then
DESIGN_FILES=$(find design/gdd -type f -name "*.md" 2>/dev/null | wc -l)
else
DESIGN_FILES=0
fi
# Normalize whitespace from wc output
SRC_FILES=$(echo "$SRC_FILES" | tr -d ' ')
DESIGN_FILES=$(echo "$DESIGN_FILES" | tr -d ' ')
if [ "$SRC_FILES" -gt 50 ] && [ "$DESIGN_FILES" -lt 5 ]; then
echo "⚠️ GAP: Substantial codebase ($SRC_FILES source files) but sparse design docs ($DESIGN_FILES files)"
echo " Suggested action: /reverse-document design src/[system]"
echo " Or run: /project-stage-detect to get full analysis"
fi
# --- Check 2: Prototypes without documentation ---
if [ -d "prototypes" ]; then
PROTOTYPE_DIRS=$(find prototypes -mindepth 1 -maxdepth 1 -type d 2>/dev/null)
UNDOCUMENTED_PROTOS=()
if [ -n "$PROTOTYPE_DIRS" ]; then
while IFS= read -r proto_dir; do
# Normalize path separators for Windows
proto_dir=$(echo "$proto_dir" | sed 's|\\|/|g')
# Check for README.md or CONCEPT.md
if [ ! -f "${proto_dir}/README.md" ] && [ ! -f "${proto_dir}/CONCEPT.md" ]; then
proto_name=$(basename "$proto_dir")
UNDOCUMENTED_PROTOS+=("$proto_name")
fi
done <<< "$PROTOTYPE_DIRS"
if [ ${#UNDOCUMENTED_PROTOS[@]} -gt 0 ]; then
echo "⚠️ GAP: ${#UNDOCUMENTED_PROTOS[@]} undocumented prototype(s) found:"
for proto in "${UNDOCUMENTED_PROTOS[@]}"; do
echo " - prototypes/$proto/ (no README or CONCEPT doc)"
done
echo " Suggested action: /reverse-document concept prototypes/[name]"
fi
fi
fi
# --- Check 3: Core systems without architecture docs ---
if [ -d "src/core" ] || [ -d "src/engine" ]; then
if [ ! -d "docs/architecture" ]; then
echo "⚠️ GAP: Core engine/systems exist but no docs/architecture/ directory"
echo " Suggested action: Create docs/architecture/ and run /architecture-decision"
else
ADR_COUNT=$(find docs/architecture -type f -name "*.md" 2>/dev/null | wc -l)
ADR_COUNT=$(echo "$ADR_COUNT" | tr -d ' ')
if [ "$ADR_COUNT" -lt 3 ]; then
echo "⚠️ GAP: Core systems exist but only $ADR_COUNT ADR(s) documented"
echo " Suggested action: /reverse-document architecture src/core/[system]"
fi
fi
fi
# --- Check 4: Gameplay systems without design docs ---
if [ -d "src/gameplay" ]; then
# Find major gameplay subdirectories (those with 5+ files)
GAMEPLAY_SYSTEMS=$(find src/gameplay -mindepth 1 -maxdepth 1 -type d 2>/dev/null)
if [ -n "$GAMEPLAY_SYSTEMS" ]; then
while IFS= read -r system_dir; do
system_dir=$(echo "$system_dir" | sed 's|\\|/|g')
system_name=$(basename "$system_dir")
file_count=$(find "$system_dir" -type f 2>/dev/null | wc -l)
file_count=$(echo "$file_count" | tr -d ' ')
# If system has 5+ files, check for corresponding design doc
if [ "$file_count" -ge 5 ]; then
# Check for design doc (allow variations: combat-system.md, combat.md)
design_doc_1="design/gdd/${system_name}-system.md"
design_doc_2="design/gdd/${system_name}.md"
if [ ! -f "$design_doc_1" ] && [ ! -f "$design_doc_2" ]; then
echo "⚠️ GAP: Gameplay system 'src/gameplay/$system_name/' ($file_count files) has no design doc"
echo " Expected: design/gdd/${system_name}-system.md or design/gdd/${system_name}.md"
echo " Suggested action: /reverse-document design src/gameplay/$system_name"
fi
fi
done <<< "$GAMEPLAY_SYSTEMS"
fi
fi
# --- Check 5: Production planning ---
if [ "$SRC_FILES" -gt 100 ]; then
# For projects with substantial code, check for production planning
if [ ! -d "production/sprints" ] && [ ! -d "production/milestones" ]; then
echo "⚠️ GAP: Large codebase ($SRC_FILES files) but no production planning found"
echo " Suggested action: /sprint-plan or create production/ directory"
fi
fi
# --- Summary ---
echo ""
echo "💡 To get a comprehensive project analysis, run: /project-stage-detect"
echo "==================================="
exit 0