split: bootstrap community repository

scripts/README.md

@@ -37,3 +37,14 @@ Usage:
 ```bash
 ./scripts/staging-note-block.sh rmcp.itexp.me abc1234 "codex + operator" partial
 ```
+
+## export-community.sh
+
+Helper that replaces the working tree of the extracted `crank-community`
+repository with the tracked Community baseline from this monorepo.
+
+Usage:
+
+```bash
+./scripts/export-community.sh /path/to/crank-community-working-tree
+```

scripts/export-community.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+usage() {
+  cat <<'EOF'
+Usage:
+  ./scripts/export-community.sh /path/to/crank-community-working-tree
+
+The target directory must already be a git working tree for crank-community.
+EOF
+}
+
+if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
+  usage
+  exit 0
+fi
+
+if [[ $# -ne 1 ]]; then
+  usage >&2
+  exit 1
+fi
+
+repo_root="$(git rev-parse --show-toplevel)"
+target_dir="$(cd "$1" && pwd)"
+
+if [[ ! -d "$target_dir/.git" ]]; then
+  echo "target is not a git working tree: $target_dir" >&2
+  exit 1
+fi
+
+find "$target_dir" -mindepth 1 -maxdepth 1 ! -name .git -exec rm -rf {} +
+
+git -C "$repo_root" ls-files -z -- . ':(exclude)templates/repositories/**' \
+  | rsync -a --delete --from0 --files-from=- "$repo_root/" "$target_dir/"