Backend Claude MD Generator

backend-claude-md-genrators.sh

#!/usr/bin/env bash
# Regenerates the "Domain modules" section of CLAUDE.md from src/modules/*.
# Everything outside the BEGIN/END markers is left untouched.
# Run from the repo root: ./update-claude-md.sh

set -euo pipefail

FILE="CLAUDE.md"
MODULES_DIR="src/modules"
BEGIN="<!-- BEGIN:modules -->"
END="<!-- END:modules -->"

if [ ! -d "$MODULES_DIR" ]; then
  echo "Error: $MODULES_DIR not found. Run this from the repo root." >&2
  exit 1
fi

if [ ! -f "$FILE" ]; then
  echo "Error: $FILE not found in $(pwd). Create it first." >&2
  exit 1
fi

# Build the module list, comma-separated, sorted, no hidden dirs
MODULE_LIST=$(find "$MODULES_DIR" -mindepth 1 -maxdepth 1 -type d \
  -exec basename {} \; | sort | tr '\n' ',' | sed 's/,/, /g; s/, $//')

# Build replacement block
BLOCK="${BEGIN}
## Domain modules (\`${MODULES_DIR}/\`)
${MODULE_LIST}
${END}"

if grep -q "$BEGIN" "$FILE" 2>/dev/null; then
  # Replace existing block between markers
  awk -v block="$BLOCK" -v begin="$BEGIN" -v end="$END" '
    $0 ~ begin {print block; skip=1; next}
    $0 ~ end {skip=0; next}
    !skip {print}
  ' "$FILE" > "${FILE}.tmp" && mv "${FILE}.tmp" "$FILE"
  echo "Updated module list in $FILE"
else
  # No markers yet — append block to end of file
  printf '\n%s\n' "$BLOCK" >> "$FILE"
  echo "Added module list block to $FILE"
fi