$ git clone -n https://src.fedoraproject.org/rpms/tlog.git /var/lib/mock/f39-build-1579267-38017/root/chroot_tmpdir/scmroot/tlog
Cloning into '/var/lib/mock/f39-build-1579267-38017/root/chroot_tmpdir/scmroot/tlog'...
$ git fetch origin 5ae21f3913527be636b4992d68a5b155deb18fd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tlog
 * [new ref]         5ae21f3913527be636b4992d68a5b155deb18fd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ae21f3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild