$ git clone -n https://src.fedoraproject.org/rpms/rust-gtk4_0.6.git /var/lib/mock/f40-build-2306947-57194/root/chroot_tmpdir/scmroot/rust-gtk4_0.6
Cloning into '/var/lib/mock/f40-build-2306947-57194/root/chroot_tmpdir/scmroot/rust-gtk4_0.6'...
$ git fetch origin f024c05afb933566a52d0ea91fcdb37b321f3ef5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gtk4_0.6
 * [new ref]         f024c05afb933566a52d0ea91fcdb37b321f3ef5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f024c05 Initial import (gtk4 0.6 compat package)