- Standalone script complementing the CI token-drift job - Supports --fix mode to regenerate and stage changes - Run: bash scripts/check-token-drift.sh
80 lines
2.2 KiB
Bash
Executable File
80 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# check-token-drift.sh — Verify generated design token files are up to date.
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#
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# Regenerates all token outputs from the canonical bytelyst.tokens.json
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# and diffs them against the committed files. Non-zero exit if any drift.
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#
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# Usage:
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# bash scripts/check-token-drift.sh # check for drift
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# bash scripts/check-token-drift.sh --fix # regenerate and stage changes
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set -euo pipefail
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REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
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TOKENS_DIR="$REPO_ROOT/packages/design-tokens"
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GENERATED_DIR="$TOKENS_DIR/generated"
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FIX=false
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if [[ "${1:-}" == "--fix" ]]; then
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FIX=true
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fi
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echo "🔍 Checking design token drift..."
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# 1. Snapshot current generated files
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TMPDIR=$(mktemp -d)
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trap 'rm -rf "$TMPDIR"' EXIT
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if [ -d "$GENERATED_DIR" ]; then
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cp -r "$GENERATED_DIR" "$TMPDIR/before"
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else
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mkdir -p "$TMPDIR/before"
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fi
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# 2. Regenerate tokens
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echo " Regenerating tokens from bytelyst.tokens.json..."
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cd "$TOKENS_DIR"
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if [ -f "package.json" ] && grep -q '"generate"' package.json; then
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npx tsx scripts/generate.ts 2>/dev/null || {
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echo "⚠️ Token generation script failed — skipping drift check"
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exit 0
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}
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else
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echo "⚠️ No generate script found in packages/design-tokens — skipping"
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exit 0
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fi
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# 3. Snapshot regenerated output
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cp -r "$GENERATED_DIR" "$TMPDIR/after"
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# 4. Diff
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DIFF_OUTPUT=$(diff -rq "$TMPDIR/before" "$TMPDIR/after" 2>/dev/null || true)
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if [ -z "$DIFF_OUTPUT" ]; then
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echo "✅ No token drift detected — generated files are up to date."
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exit 0
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fi
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echo ""
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echo "❌ Token drift detected! The following files are out of date:"
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echo ""
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echo "$DIFF_OUTPUT" | while IFS= read -r line; do
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# Extract just the relative path
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file=$(echo "$line" | sed "s|.*$TMPDIR/before/||; s|.*$TMPDIR/after/||; s| differ||; s| and .*||")
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echo " - generated/$file"
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done
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if $FIX; then
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echo ""
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echo "🔧 --fix mode: staging regenerated token files..."
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cd "$REPO_ROOT"
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git add "$GENERATED_DIR"
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echo "✅ Regenerated files staged. Commit and push to fix drift."
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exit 0
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else
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echo ""
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echo "Run 'bash scripts/check-token-drift.sh --fix' to regenerate and stage."
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echo "Or: cd packages/design-tokens && npx tsx scripts/generate.ts"
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exit 1
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fi
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