$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Record.git /var/lib/mock/f45-build-22895-594/root/chroot_tmpdir/scmroot/perl-Data-Record
Cloning into '/var/lib/mock/f45-build-22895-594/root/chroot_tmpdir/scmroot/perl-Data-Record'...
$ git fetch origin accc2cace3056d59a818a570118f106ec9367b97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Record
 * [new ref]         accc2cace3056d59a818a570118f106ec9367b97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at accc2ca Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild