Filter stale APKs from CI package cache

scripts/apk/publish-gitea.sh

@@ -2,8 +2,12 @@
 set -euo pipefail
 
 repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+# shellcheck source=scripts/apk/package-lib.sh
+. "${repo_root}/scripts/apk/package-lib.sh"
+
 repo_name="${ALPINE_REPO_NAME:-local}"
 alpine_version="${ALPINE_VERSION:-3.24}"
+arches="${ALPINE_ARCHES:-x86_64 aarch64}"
 branch="${ALPINE_REGISTRY_BRANCH:-v${alpine_version}}"
 repository="${ALPINE_REGISTRY_REPOSITORY:-${PACKAGE_NAME:-main}}"
 instance_url="${INSTANCE_URL:-}"
@@ -46,20 +50,50 @@ if [[ "${#apks[@]}" -eq 0 ]]; then
   exit 1
 fi
 
+declare -A expected_apks=()
+while IFS= read -r package_dir; do
+  apk_validate_package_dir "${package_dir}"
+  for arch in ${arches}; do
+    if ! apk_package_supports_arch "${package_dir}" "${arch}"; then
+      continue
+    fi
+
+    while IFS= read -r apk_name; do
+      expected_apks["${package_root}/${arch}/${apk_name}"]=1
+    done < <(apk_package_apk_names "${package_dir}" "${arch}")
+  done
+done < <(apk_all_package_dirs "${repo_root}")
+
 declare -A published_filenames=()
 unique_apks=()
+stale_count=0
+duplicate_count=0
 for apk in "${apks[@]}"; do
   filename="$(basename "${apk}")"
+  if [[ -z "${expected_apks[${apk}]:-}" ]]; then
+    printf 'Skipping stale local APK: %s\n' "${apk#"${repo_root}/"}"
+    stale_count=$((stale_count + 1))
+    continue
+  fi
   if [[ -n "${published_filenames[${filename}]:-}" ]]; then
+    duplicate_count=$((duplicate_count + 1))
     continue
   fi
   published_filenames["${filename}"]=1
   unique_apks+=("${apk}")
 done
 
+if [[ "${#unique_apks[@]}" -eq 0 ]]; then
+  printf 'no current APK files found under %s\n' "${package_root}" >&2
+  exit 1
+fi
+
 printf 'Publishing %d APK files to %s\n' "${#unique_apks[@]}" "${upload_url}"
-if [[ "${#unique_apks[@]}" -ne "${#apks[@]}" ]]; then
-  printf 'Skipping %d duplicate local APK filename(s)\n' "$((${#apks[@]} - ${#unique_apks[@]}))"
+if [[ "${duplicate_count}" -ne 0 ]]; then
+  printf 'Skipping %d duplicate local APK filename(s)\n' "${duplicate_count}"
+fi
+if [[ "${stale_count}" -ne 0 ]]; then
+  printf 'Skipping %d stale local APK file(s)\n' "${stale_count}"
 fi
 
 for apk in "${unique_apks[@]}"; do