$ git clone -n https://src.fedoraproject.org/rpms/rust-dtoa.git /var/lib/mock/f39-build-1445172-32649/root/chroot_tmpdir/scmroot/rust-dtoa
Cloning into '/var/lib/mock/f39-build-1445172-32649/root/chroot_tmpdir/scmroot/rust-dtoa'...
$ git fetch origin 4ee4f224854202c2f234a7e2e413a857b9f32df2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dtoa
 * [new ref]         4ee4f224854202c2f234a7e2e413a857b9f32df2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ee4f22 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild