Add multi-package Alpine packaging

packaging/alpine/local/seaweedfs/scripts/update-generated-sources.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root="${REPO_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/../../../../.." && pwd)}"
+package_dir="${PACKAGE_DIR:-$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)}"
+configs=(credential filer master notification replication security shell)
+
+for config in "${configs[@]}"; do
+  "${repo_root}/bin/weed" scaffold -config "${config}" 2>/dev/null \
+    > "${package_dir}/example-${config}.toml"
+done
+
+"${repo_root}/bin/weed" autocomplete bash 2>/dev/null \
+  | sed -E 's#complete -C "?[^"]*/weed"? weed#complete -C /usr/bin/weed weed#' \
+    > "${package_dir}/weed.bash-completion"