$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Daemon.git /var/lib/mock/f45-build-23983-601/root/chroot_tmpdir/scmroot/perl-HTTP-Daemon
Cloning into '/var/lib/mock/f45-build-23983-601/root/chroot_tmpdir/scmroot/perl-HTTP-Daemon'...
$ git fetch origin e559cd940833d01b6c5464e0e87dfd0b217d8096:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Daemon
 * [new ref]         e559cd940833d01b6c5464e0e87dfd0b217d8096 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e559cd9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild