docs(CUST-WP-0054-T05): Phase 4 sweep checkout migration evidence

Record railiance01 clone tree, host_paths registration, and tooling for
bulk clone and path registration. Update T05 workplan with Phase 4 completion.

tools/railiance01-bulk-clone-repos.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+# Bulk-clone State Hub registered repos onto railiance01 under /home/tegwick/<slug>.
+# Usage: railiance01-bulk-clone-repos.sh [--dry-run] [--slug SLUG]
+set -euo pipefail
+
+API_BASE="${API_BASE:-http://127.0.0.1:8000}"
+CLONE_ROOT="${CLONE_ROOT:-/home/tegwick}"
+DRY_RUN=0
+
+if [[ "${1:-}" == "--dry-run" ]]; then
+  DRY_RUN=1
+  shift
+fi
+
+SLUG_FILTER="${1:-}"
+
+clone_url_for() {
+  local slug="$1" remote="$2"
+  case "${remote}" in
+    forgejo-remote:*|gitea-remote:*) echo "${remote}" ;;
+    ssh://git@92.205.130.254:30022/coulomb/*) echo "gitea-remote:coulomb/${slug}.git" ;;
+    http://92.205.130.254:32166/coulomb/*) echo "gitea-remote:coulomb/${slug}.git" ;;
+    http://gitea.local/worsch/*) echo "gitea-remote:coulomb/${slug}.git" ;;
+    "") echo "gitea-remote:coulomb/${slug}.git" ;;
+    *) echo "gitea-remote:coulomb/${slug}.git" ;;
+  esac
+}
+
+repos_json=$(curl -fsS "${API_BASE}/repos/")
+mapfile -t slugs < <(python3 -c "
+import json, sys
+repos = json.load(sys.stdin)
+filt = sys.argv[1] if len(sys.argv) > 1 else ''
+for r in sorted(repos, key=lambda x: x['slug']):
+    if filt and r['slug'] != filt:
+        continue
+    print(r['slug'])
+" <<<"${repos_json}" "${SLUG_FILTER}")
+
+cloned=0
+skipped=0
+failed=0
+
+for slug in "${slugs[@]}"; do
+  dest="${CLONE_ROOT}/${slug}"
+  if [[ -d "${dest}/.git" ]]; then
+    echo "SKIP ${slug} (exists)"
+    skipped=$((skipped + 1))
+    continue
+  fi
+  remote=$(python3 -c "
+import json, sys
+repos = json.load(sys.stdin)
+for r in repos:
+    if r['slug'] == sys.argv[1]:
+        print(r.get('remote_url') or '')
+        break
+" <<<"${repos_json}" "${slug}")
+  url=$(clone_url_for "${slug}" "${remote}")
+  if [[ "${DRY_RUN}" -eq 1 ]]; then
+    echo "DRY  ${slug} <- ${url}"
+    continue
+  fi
+  echo "CLONE ${slug} <- ${url}"
+  if git clone "${url}" "${dest}"; then
+    cloned=$((cloned + 1))
+  else
+    echo "FAIL ${slug}" >&2
+    failed=$((failed + 1))
+  fi
+done
+
+echo "done: cloned=${cloned} skipped=${skipped} failed=${failed}"