$ git clone -n https://src.fedoraproject.org/rpms/highway.git /var/lib/mock/f45-build-13431-450/root/chroot_tmpdir/scmroot/highway
Cloning into '/var/lib/mock/f45-build-13431-450/root/chroot_tmpdir/scmroot/highway'...
$ git fetch origin 0ab2ff786db0b47aa52da7ca9b3e008f5170e272:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/highway
 * [new ref]         0ab2ff786db0b47aa52da7ca9b3e008f5170e272 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ab2ff7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild