$ git clone -n https://src.fedoraproject.org/rpms/rust-gtk4_0.5.git /var/lib/mock/f38-build-side-43-rust-devel-1418401-31459/root/chroot_tmpdir/scmroot/rust-gtk4_0.5
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418401-31459/root/chroot_tmpdir/scmroot/rust-gtk4_0.5'...
$ git fetch origin b1b31457e04de62ff4107d589bea0577a56974ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gtk4_0.5
 * [new ref]         b1b31457e04de62ff4107d589bea0577a56974ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1b3145 Initial import (gtk4 0.5 compat package)