ln -s "${APTARCHIVE}/dists/testing" "${APTARCHIVE}/dists/buster"
testsuccess apt update
testsuccess apt show foo
+
+# changing codenames gets a warning, too
+rm -rf rootdir/var/lib/apt/lists
+sed -i -e 's#buster#testing#g' rootdir/etc/apt/sources.list.d/*
+testsuccess apt update
+testsuccess apt show foo
+sed -i -e 's#^Codename: buster#Codename: zurg#g' $(find ./aptarchive -name 'Release')
+signreleasefiles
+testwarningmsg "W: Conflicting distribution: file:$APTARCHIVE testing/updates InRelease (expected buster/updates but got zurg/updates)" apt update
+testsuccess apt show foo
+testsuccess apt update
+testsuccess apt show foo