+addtrap 'prefix' 'chmod 755 aptarchive/dists/unstable/main/binary-all;'
+if [ "$(id -u)" = '0' ]; then
+ # too deep to notice it, but it also unlikely that files in the same repo have different permissions
+ chmod 500 aptarchive/dists/unstable/main/binary-all
+ testfailure aptget update
+ rm -rf rootdir/var/lib/apt/lists
+ chmod 755 aptarchive/dists/unstable/main/binary-all
+ testsuccess aptget update
+ rm -rf rootdir/var/lib/apt/lists
+ chmod 511 aptarchive/dists/
+ testsuccess aptget update
+ rm -rf rootdir/var/lib/apt/lists
+ chmod 510 aptarchive/dists/
+ testsuccesswithnotice aptget update
+ rm -rf rootdir/var/lib/apt/lists
+ chmod 500 aptarchive/dists/
+ testsuccesswithnotice aptget update
+ chmod 755 aptarchive/dists/
+else
+ testsuccess aptget update
+fi
+mv rootdir/var/lib/apt/lists/_* rootdir/var/lib/apt/lists/partial
+chmod 555 aptarchive/dists/unstable/main/binary-all
+testsuccess aptget update -o Debug::pkgAcquire::Worker=1
+cp -a rootdir/tmp/testsuccess.output rootdir/tmp/update.output
+testsuccess grep '%0aAlt-Filename:%20' rootdir/tmp/update.output