$ git clone -n https://src.fedoraproject.org/rpms/rust-gtk4-sys0.4.git /var/lib/mock/f38-build-side-43-rust-devel-1418332-31459/root/chroot_tmpdir/scmroot/rust-gtk4-sys0.4
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418332-31459/root/chroot_tmpdir/scmroot/rust-gtk4-sys0.4'...
$ git fetch origin e610ff4539735b59d3b0a832c93324d0f5ac1994:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gtk4-sys0.4
 * [new ref]         e610ff4539735b59d3b0a832c93324d0f5ac1994 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e610ff4 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild