$ git clone -n https://src.fedoraproject.org/rpms/arc.git /var/lib/mock/f33-build-133284-41360/root/chroot_tmpdir/scmroot/arc
Cloning into '/var/lib/mock/f33-build-133284-41360/root/chroot_tmpdir/scmroot/arc'...
$ git reset --hard efd78e63a5c30eefec157a1488a897868bf26709
HEAD is now at efd78e6 Fix FTBFS (rhbz#1799162)