1  #!/bin/bash
 2  # Setup global Claude Code hooks for workflow runner
 3  # Run once on CI server: ./setup-workflow-hooks.sh
 4  #
 5  # This copies compression hooks to ~/.claude/hooks/ so they apply
 6  # to all repos, not just alpha-delta-context.
 7  
 8  set -euo pipefail
 9  
10  SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
11  CONTEXT_DIR="$(dirname "$SCRIPT_DIR")"
12  HOOKS_SRC="$CONTEXT_DIR/.claude/hooks"
13  HOOKS_DST="$HOME/.claude/hooks"
14  
15  echo "=== Claude Hooks Setup ==="
16  echo "Source: $HOOKS_SRC"
17  echo "Target: $HOOKS_DST"
18  echo
19  
20  # Create target directory
21  mkdir -p "$HOOKS_DST"
22  
23  # Copy hooks
24  HOOKS=(
25      "posttool-output-compression.py"
26      "pretool-alias-expansion.py"
27      "pretool-token-injection.py"
28      "config.yaml"
29  )
30  
31  for hook in "${HOOKS[@]}"; do
32      if [ -f "$HOOKS_SRC/$hook" ]; then
33          cp -v "$HOOKS_SRC/$hook" "$HOOKS_DST/"
34          chmod +x "$HOOKS_DST/$hook" 2>/dev/null || true
35      else
36          echo "Warning: $hook not found in source"
37      fi
38  done
39  
40  # Create settings.json if not exists
41  SETTINGS="$HOME/.claude/settings.json"
42  if [ ! -f "$SETTINGS" ]; then
43      echo '{"hooks": {"enabled": true}}' > "$SETTINGS"
44      echo "Created: $SETTINGS"
45  fi
46  
47  echo
48  echo "=== Token Savings ==="
49  echo "Output compression: ~60-80% reduction on build/test output"
50  echo "Input optimization: cspec-style prompts (~80% reduction)"
51  echo
52  echo "Verify with: claude -p 'echo test' --cwd /tmp"
53  echo "Should see compression messages in stderr"