Validate Settings

1#!/bin/bash
2# Settings File Validator
3# Validates .claude/plugin-name.local.md structure
4
5set -euo pipefail
6
7# Usage
8if [ $# -eq 0 ]; then
9  echo "Usage: $0 <path/to/settings.local.md>"
10  echo ""
11  echo "Validates plugin settings file for:"
12  echo "  - File existence and readability"
13  echo "  - YAML frontmatter structure"
14  echo "  - Required --- markers"
15  echo "  - Field format"
16  echo ""
17  echo "Example: $0 .claude/my-plugin.local.md"
18  exit 1
19fi
20
21SETTINGS_FILE="$1"
22
23echo "🔍 Validating settings file: $SETTINGS_FILE"
24echo ""
25
26# Check 1: File exists
27if [ ! -f "$SETTINGS_FILE" ]; then
28  echo "❌ File not found: $SETTINGS_FILE"
29  exit 1
30fi
31echo "✅ File exists"
32
33# Check 2: File is readable
34if [ ! -r "$SETTINGS_FILE" ]; then
35  echo "❌ File is not readable"
36  exit 1
37fi
38echo "✅ File is readable"
39
40# Check 3: Has frontmatter markers
41MARKER_COUNT=$(grep -c '^---$' "$SETTINGS_FILE" 2>/dev/null || echo "0")
42
43if [ "$MARKER_COUNT" -lt 2 ]; then
44  echo "❌ Invalid frontmatter: found $MARKER_COUNT '---' markers (need at least 2)"
45  echo "   Expected format:"
46  echo "   ---"
47  echo "   field: value"
48  echo "   ---"
49  echo "   Content..."
50  exit 1
51fi
52echo "✅ Frontmatter markers present"
53
54# Check 4: Extract and validate frontmatter
55FRONTMATTER=$(sed -n '/^---$/,/^---$/{ /^---$/d; p; }' "$SETTINGS_FILE")
56
57if [ -z "$FRONTMATTER" ]; then
58  echo "❌ Empty frontmatter (nothing between --- markers)"
59  exit 1
60fi
61echo "✅ Frontmatter not empty"
62
63# Check 5: Frontmatter has valid YAML-like structure
64if ! echo "$FRONTMATTER" | grep -q ':'; then
65  echo "⚠️  Warning: Frontmatter has no key:value pairs"
66fi
67
68# Check 6: Look for common fields
69echo ""
70echo "Detected fields:"
71echo "$FRONTMATTER" | grep '^[a-z_][a-z0-9_]*:' | while IFS=':' read -r key value; do
72  echo "  - $key: ${value:0:50}"
73done
74
75# Check 7: Validate common boolean fields
76for field in enabled strict_mode; do
77  VALUE=$(echo "$FRONTMATTER" | grep "^${field}:" | sed "s/${field}: *//" || true)
78  if [ -n "$VALUE" ]; then
79    if [ "$VALUE" != "true" ] && [ "$VALUE" != "false" ]; then
80      echo "⚠️  Field '$field' should be boolean (true/false), got: $VALUE"
81    fi
82  fi
83done
84
85# Check 8: Check body exists
86BODY=$(awk '/^---$/{i++; next} i>=2' "$SETTINGS_FILE")
87
88echo ""
89if [ -n "$BODY" ]; then
90  BODY_LINES=$(echo "$BODY" | wc -l | tr -d ' ')
91  echo "✅ Markdown body present ($BODY_LINES lines)"
92else
93  echo "⚠️  No markdown body (frontmatter only)"
94fi
95
96echo ""
97echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
98echo "✅ Settings file structure is valid"
99echo ""
100echo "Reminder: Changes to this file require restarting Claude Code"
101exit 0