feat: filter cleanup by package names

entrypoint.sh

@@ -10,6 +10,8 @@ fail() {
   exit 1
 }
 
+declare -A TARGET_PACKAGES=()
+
 resolve_token() {
   log "Trying token from RUNNER_TOKEN"
 
@@ -36,6 +38,30 @@ resolve_keep_versions() {
   printf '%s' "${raw_value}"
 }
 
+resolve_package_names() {
+  local raw_value="${INPUT_PACKAGE_NAMES:-}"
+  local normalized package_name
+  local -a package_name_list
+
+  if [[ -z "${raw_value}" ]]; then
+    fail "Missing PACKAGE_NAMES"
+  fi
+
+  normalized="${raw_value//$'\n'/,}"
+
+  IFS=',' read -r -a package_name_list <<< "${normalized}"
+  for package_name in "${package_name_list[@]}"; do
+    package_name="${package_name#"${package_name%%[![:space:]]*}"}"
+    package_name="${package_name%"${package_name##*[![:space:]]}"}"
+    [[ -n "${package_name}" ]] || continue
+    TARGET_PACKAGES["${package_name}"]=1
+  done
+
+  if (( ${#TARGET_PACKAGES[@]} == 0 )); then
+    fail "Missing PACKAGE_NAMES"
+  fi
+}
+
 init_repo_context() {
   local repository="${GITEA_REPOSITORY:-}"
 
@@ -142,12 +168,17 @@ collect_package_candidates() {
 
   while IFS= read -r group_json; do
     package_name="$(jq -r '.[0].name' <<<"${group_json}")"
+
+    if [[ -z "${TARGET_PACKAGES["$package_name"]+x}" ]]; then
+      continue
+    fi
+
     total_versions="$(jq 'length' <<<"${group_json}")"
 
     PACKAGE_COUNT=$((PACKAGE_COUNT + 1))
     TOTAL_VERSION_COUNT=$((TOTAL_VERSION_COUNT + total_versions))
 
-    log "Package ${package_name}: total_versions=${total_versions} keep_versions=${keep_versions}"
+    log "Package ${package_name}: total_versions=${total_versions} keep_count=${keep_versions}"
     log "Package ${package_name} versions (oldest -> newest):"
     while IFS=$'\t' read -r version created_at; do
       [[ -z "${version}" ]] && continue
@@ -219,6 +250,8 @@ main() {
   init_repo_context
   keep_versions="$(resolve_keep_versions)"
   log "keep_count=${keep_versions}"
+  resolve_package_names
+  log "package_names=${INPUT_PACKAGE_NAMES}"
   log "Token source resolved successfully"
 
   CANDIDATES_FILE="$(mktemp)"
@@ -230,6 +263,9 @@ main() {
   trap 'rm -f "${CANDIDATES_FILE}"' EXIT
 
   collect_package_candidates
+  if (( PACKAGE_COUNT == 0 )); then
+    log "No matching packages found for requested package_names"
+  fi
   process_candidates
   log "Stage 4 complete"
 }