$ git clone -n https://src.fedoraproject.org/rpms/forge-parent.git /var/lib/mock/f39-build-2056250-49120/root/chroot_tmpdir/scmroot/forge-parent
Cloning into '/var/lib/mock/f39-build-2056250-49120/root/chroot_tmpdir/scmroot/forge-parent'...
$ git fetch origin 5278138ddc4c6c7ca2c72fa179187dc4aa15f61e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/forge-parent
 * [new ref]         5278138ddc4c6c7ca2c72fa179187dc4aa15f61e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5278138 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild