smoke test complete local rebuilds offline

scripts/apk/ci-smoke.sh

@@ -12,6 +12,7 @@ registry_url="${ALPINE_REGISTRY_URL:-}"
 registry_key="${ALPINE_REGISTRY_KEY:-}"
 read -r -a package_list <<< "${packages}"
 declare -A source_packages=()
+local_repo_complete=0
 
 while IFS= read -r package_dir; do
   while IFS= read -r spec; do
@@ -26,18 +27,30 @@ for package in "${package_list[@]}"; do
   fi
 done
 
+if [[ -d "${repo_dir}" ]]; then
+  local_repo_complete=1
+  for package in "${package_list[@]}"; do
+    if ! compgen -G "${repo_dir}/${package}-*.apk" >/dev/null; then
+      local_repo_complete=0
+      break
+    fi
+  done
+fi
+
 if [[ -d "${repo_dir}" ]]; then
   cp "${repo_dir}"/*.rsa.pub /etc/apk/keys/
   echo "${repo_root}/packages/${repo_name}" >> /etc/apk/repositories
 fi
 
-if [[ -n "${registry_url}" ]]; then
+if [[ -n "${registry_url}" && "${local_repo_complete}" == 0 ]]; then
   if [[ ! -f "${registry_key}" ]]; then
     printf 'missing Alpine registry signing key: %s\n' "${registry_key:-<unset>}" >&2
     exit 1
   fi
   cp "${registry_key}" /etc/apk/keys/
   echo "${registry_url}" >> /etc/apk/repositories
+elif [[ -n "${registry_url}" ]]; then
+  printf 'Using the complete local Alpine repository; registry fallback is not needed\n'
 fi
 
 if [[ ! -d "${repo_dir}" && -z "${registry_url}" ]]; then