$ git clone -n https://src.fedoraproject.org/rpms/hstr.git /var/lib/mock/f45-build-13461-451/root/chroot_tmpdir/scmroot/hstr
Cloning into '/var/lib/mock/f45-build-13461-451/root/chroot_tmpdir/scmroot/hstr'...
$ git fetch origin 55f6cdb2353928718857faef95df458da694770d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hstr
 * [new ref]         55f6cdb2353928718857faef95df458da694770d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55f6cdb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild