index: add DESCRIPTION file to APKINDEX.tar.gz (!1822)

This file is used by the package browser frontend build by the alpine
developers. It uses the contents of the DESCRIPTION file to validate the
cache in the database.

pmb/build/other.py

@@ -20,6 +20,7 @@ import glob
 import logging
 import os
 import shlex
+import datetime
 
 import pmb.chroot
 import pmb.helpers.file
@@ -111,9 +112,11 @@ def index_repo(args, arch=None):
             path_arch = os.path.basename(path)
             path_repo_chroot = "/home/pmos/packages/pmos/" + path_arch
             logging.debug("(native) index " + path_arch + " repository")
+            description = str(datetime.datetime.now())
             commands = [
                 # Wrap the index command with sh so we can use '*.apk'
                 ["sh", "-c", "apk -q index --output APKINDEX.tar.gz_"
+                 " --description " + shlex.quote(description) + ""
                  " --rewrite-arch " + shlex.quote(path_arch) + " *.apk"],
                 ["abuild-sign", "APKINDEX.tar.gz_"],
                 ["mv", "APKINDEX.tar.gz_", "APKINDEX.tar.gz"]