$ git clone -n https://src.fedoraproject.org/rpms/httpdump.git /var/lib/mock/f45-build-13504-451/root/chroot_tmpdir/scmroot/httpdump
Cloning into '/var/lib/mock/f45-build-13504-451/root/chroot_tmpdir/scmroot/httpdump'...
$ git fetch origin 3043b21dcec7702832564b8250b730ad9c25ccdf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/httpdump
 * [new ref]         3043b21dcec7702832564b8250b730ad9c25ccdf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3043b21 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild