$ git clone -n https://src.fedoraproject.org/rpms/ghc-pcap.git /var/lib/mock/f45-build-10600-419/root/chroot_tmpdir/scmroot/ghc-pcap
Cloning into '/var/lib/mock/f45-build-10600-419/root/chroot_tmpdir/scmroot/ghc-pcap'...
$ git fetch origin ff5613a78d0959e15f9eb96a90889251b33e6d94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-pcap
 * [new ref]         ff5613a78d0959e15f9eb96a90889251b33e6d94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff5613a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild