$ git clone -n https://src.fedoraproject.org/rpms/dsp.git /var/lib/mock/f40-build-1994859-43842/root/chroot_tmpdir/scmroot/dsp
Cloning into '/var/lib/mock/f40-build-1994859-43842/root/chroot_tmpdir/scmroot/dsp'...
$ git fetch origin 8f279471c0bcf33b7e9cd80348364e63e347d349:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dsp
 * [new ref]         8f279471c0bcf33b7e9cd80348364e63e347d349 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f27947 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild