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scripts/sync-blog-demos.sh

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+#!/bin/bash
+#
+# Sync demos that should match the blog templates exactly.
+#
+# Deliberately custom demos (not synced here):
+# - demos/plugins-demo (plugin API/hook coverage)
+#
+# Demos with custom runtime/config but shared visual template:
+# - demos/cloudflare (kitchen sink Cloudflare features)
+# - demos/playground (playground-specific runtime wiring)
+# - demos/preview (preview DB workflow)
+# - demos/postgres (Postgres adapter coverage)
+#
+# Usage: ./scripts/sync-blog-demos.sh
+#
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(dirname "$SCRIPT_DIR")"
+TEMPLATES_DIR="$ROOT_DIR/templates"
+DEMOS_DIR="$ROOT_DIR/demos"
+
+# Files/directories to sync from template to demo.
+# Intentionally excludes package.json so demo package identity/scripts stay stable.
+SYNC_ITEMS=(
+	"src"
+	"public"
+	"seed"
+	"astro.config.mjs"
+	"tsconfig.json"
+	"emdash-env.d.ts"
+	".gitignore"
+)
+
+# Mapping of template -> demo for demos that should track templates verbatim.
+DEMO_PAIRS=(
+	"blog:simple"
+)
+
+# Mapping of template -> demo for demos that should share the template frontend
+# while keeping runtime-specific config/entry files.
+FRONTEND_PAIRS=(
+	"blog-cloudflare:cloudflare"
+	"blog-cloudflare:preview"
+	"blog:playground"
+	"blog:postgres"
+)
+
+sync_demo() {
+	local template="$1"
+	local demo="$2"
+	local template_dir="$TEMPLATES_DIR/$template"
+	local demo_dir="$DEMOS_DIR/$demo"
+
+	if [[ ! -d "$template_dir" ]]; then
+		echo "  Skipping: $template (template not found)"
+		return
+	fi
+
+	if [[ ! -d "$demo_dir" ]]; then
+		echo "  Skipping: $demo (demo not found)"
+		return
+	fi
+
+	echo "Syncing $template -> $demo"
+
+	for item in "${SYNC_ITEMS[@]}"; do
+		local src="$template_dir/$item"
+		local dest="$demo_dir/$item"
+
+		if [[ ! -e "$src" ]]; then
+			continue
+		fi
+
+		if [[ -L "$dest" ]]; then
+			rm "$dest"
+		elif [[ -d "$dest" ]]; then
+			rm -rf "$dest"
+		elif [[ -f "$dest" ]]; then
+			rm "$dest"
+		fi
+
+		if [[ -d "$src" ]]; then
+			cp -r "$src" "$dest"
+			echo "  Copied directory: $item"
+		else
+			cp "$src" "$dest"
+			echo "  Copied file: $item"
+		fi
+	done
+}
+
+sync_frontend() {
+	local template="$1"
+	local demo="$2"
+	shift 2
+	local template_dir="$TEMPLATES_DIR/$template"
+	local demo_dir="$DEMOS_DIR/$demo"
+
+	if [[ ! -d "$template_dir/src" ]]; then
+		echo "  Skipping frontend sync: $template (template src not found)"
+		return
+	fi
+
+	if [[ ! -d "$demo_dir/src" ]]; then
+		echo "  Skipping frontend sync: $demo (demo src not found)"
+		return
+	fi
+
+	echo "Syncing frontend $template -> $demo"
+
+	local rsync_args=("-a" "--delete")
+	for preserved in "$@"; do
+		rsync_args+=("--exclude=$preserved")
+	done
+
+	rsync "${rsync_args[@]}" "$template_dir/src/" "$demo_dir/src/"
+
+	if [[ -f "$template_dir/emdash-env.d.ts" ]]; then
+		cp "$template_dir/emdash-env.d.ts" "$demo_dir/emdash-env.d.ts"
+		echo "  Copied file: emdash-env.d.ts"
+	fi
+
+	if [[ -d "$template_dir/seed" && -d "$demo_dir/seed" ]]; then
+		rsync -a --delete "$template_dir/seed/" "$demo_dir/seed/"
+		echo "  Synced directory: seed"
+	fi
+}
+
+echo "Syncing demos from templates..."
+echo ""
+
+for pair in "${DEMO_PAIRS[@]}"; do
+	IFS=':' read -r template demo <<< "$pair"
+	sync_demo "$template" "$demo"
+	echo ""
+done
+
+for pair in "${FRONTEND_PAIRS[@]}"; do
+	IFS=':' read -r template demo <<< "$pair"
+	case "$demo" in
+	cloudflare)
+		sync_frontend "$template" "$demo" \
+			"worker.ts" \
+			"pages/als-test.astro" \
+			"pages/sandbox-test.astro" \
+			"pages/sandbox-plugin-test.astro"
+		;;
+	playground)
+		sync_frontend "$template" "$demo" "worker.ts"
+		;;
+	preview)
+		sync_frontend "$template" "$demo" "worker.ts" "middleware.ts"
+		;;
+	postgres)
+		sync_frontend "$template" "$demo"
+		;;
+	esac
+	echo ""
+done
+
+echo "Done!"