$ git clone -n https://src.fedoraproject.org/rpms/sblim-sfcc.git /var/lib/mock/f45-build-35664-698/root/chroot_tmpdir/scmroot/sblim-sfcc
Cloning into '/var/lib/mock/f45-build-35664-698/root/chroot_tmpdir/scmroot/sblim-sfcc'...
$ git fetch origin b4928744bae2a8987ea6610b01b4419fdc9b6d7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sblim-sfcc
 * [new ref]         b4928744bae2a8987ea6610b01b4419fdc9b6d7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b492874 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild