$ git clone -n https://src.fedoraproject.org/rpms/libsrm.git /var/lib/mock/f45-build-17037-495/root/chroot_tmpdir/scmroot/libsrm
Cloning into '/var/lib/mock/f45-build-17037-495/root/chroot_tmpdir/scmroot/libsrm'...
$ git fetch origin c07badbdfc5d252259e6fbbf7ed5426d97a1bcee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsrm
 * [new ref]         c07badbdfc5d252259e6fbbf7ed5426d97a1bcee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c07badb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild