domtool-publish: try to grab tokens if aklog is available

sudo on Debian Jessie and later drops tokens (but not kerberos
tickets), make sure to refresh tokens so syncing files from afs
doesn't fail.

diff --git a/scripts/domtool-publish b/scripts/domtool-publish
index 0f75802..1f1129e 100755 (executable)
--- a/scripts/domtool-publish
+++ b/scripts/domtool-publish
@@ -1,5 +1,10 @@
 #!/bin/sh -e
 
+# grab tokens in case they were dropped by sudo
+if [ -x "$(which aklog)" ]; then
+    aklog
+fi
+
 redo_exim() {
         sudo -u domtool touch /var/domtool/local_domains.cfg /var/domtool/relay_domains.cfg /var/domtool/mailman_domains.cfg
        /bin/echo -n "domainlist local_domains = " >/etc/exim4/conf.d/main/10_domtool-domains