$ git clone -n https://src.fedoraproject.org/rpms/mpfr.git /var/lib/mock/f45-build-97-49/root/chroot_tmpdir/scmroot/mpfr
Cloning into '/var/lib/mock/f45-build-97-49/root/chroot_tmpdir/scmroot/mpfr'...
$ git fetch origin a7b014aeb627386f4a1dbaa9957c51257ce8cefe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpfr
 * [new ref]         a7b014aeb627386f4a1dbaa9957c51257ce8cefe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7b014a Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild