$ git clone -n https://src.fedoraproject.org/rpms/cpputest.git /var/lib/mock/f45-build-6993-354/root/chroot_tmpdir/scmroot/cpputest
Cloning into '/var/lib/mock/f45-build-6993-354/root/chroot_tmpdir/scmroot/cpputest'...
$ git fetch origin bba4f8debcb5d8b89b3ca289d45ae63455ede4cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpputest
 * [new ref]         bba4f8debcb5d8b89b3ca289d45ae63455ede4cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bba4f8d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild