$ git clone -n https://src.fedoraproject.org/rpms/llconf.git /var/lib/mock/f45-build-17461-499/root/chroot_tmpdir/scmroot/llconf
Cloning into '/var/lib/mock/f45-build-17461-499/root/chroot_tmpdir/scmroot/llconf'...
$ git fetch origin 15debcbf7ca38f5698c9f2c07caa3fb33e57bce1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/llconf
 * [new ref]         15debcbf7ca38f5698c9f2c07caa3fb33e57bce1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15debcb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild