build-debian-toolbox: Fix slow sudo

This tries to resolve the hostname, which does not work with an empty
/etc/hosts. Make sure that myhostname gets asked before dns.

diff --git a/build-debian-toolbox b/build-debian-toolbox
index f1e7f8eab90f07c5c31f3ad3307d54c9b6873442..82868761747be77a1cbcd88b91e5523d48b869b3 100755 (executable)
--- a/build-debian-toolbox
+++ b/build-debian-toolbox
@@ -27,6 +27,9 @@ apt-get install -y libnss-myhostname sudo eatmydata libcap2-bin
 
 # allow sudo with empty password
 sed -i "s/nullok_secure/nullok/" /etc/pam.d/common-auth
+
+# unbreak slow host name resolution
+sed -i "/^hosts:/ s/files dns myhostname/files myhostname dns/" /etc/nsswitch.conf
 '
 
 toolbox run --container $RELEASE sh -exc '