$ git clone -n https://src.fedoraproject.org/rpms/Pencil2D.git /var/lib/mock/f39-build-1559563-37326/root/chroot_tmpdir/scmroot/Pencil2D
Cloning into '/var/lib/mock/f39-build-1559563-37326/root/chroot_tmpdir/scmroot/Pencil2D'...
$ git fetch origin 20a67d48152e4164e67762907d89c665601fc4ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Pencil2D
 * [new ref]         20a67d48152e4164e67762907d89c665601fc4ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20a67d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild