debvm-create: also move dpkg's available database to a hook file

1 files changed, 12 insertions, 0 deletions

diff --git a/share/customize-dpkgavailable.sh b/share/customize-dpkgavailable.sh
new file mode 100755
index 0000000..f35b81f
--- /dev/null
+++ b/share/customize-dpkgavailable.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright 2022 Helmut Grohne <helmut@subdivi.de>
+# SPDX-License-Identifier: MIT
+#
+# This is a mmdebstrap customize hook that initializes dpkg's available
+# database from an updated apt package list cache.
+#
+# Without the available database, dpkg --set-selections won't work.
+
+set -eu
+
+APT_CONFIG=$MMDEBSTRAP_APT_CONFIG apt-cache dumpavail | dpkg --root "$1" --update-avail