$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-ClassAPI.git /var/lib/mock/f45-build-26568-618/root/chroot_tmpdir/scmroot/perl-Test-ClassAPI
Cloning into '/var/lib/mock/f45-build-26568-618/root/chroot_tmpdir/scmroot/perl-Test-ClassAPI'...
$ git fetch origin f1f7a25040fd73e8f6fd392691de544a90f8706c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-ClassAPI
 * [new ref]         f1f7a25040fd73e8f6fd392691de544a90f8706c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1f7a25 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild