$ git clone -n https://src.fedoraproject.org/rpms/rust-gdk4_0.6.git /var/lib/mock/f40-build-2061922-49167/root/chroot_tmpdir/scmroot/rust-gdk4_0.6
Cloning into '/var/lib/mock/f40-build-2061922-49167/root/chroot_tmpdir/scmroot/rust-gdk4_0.6'...
$ git fetch origin 1cc53d441d59d10a2d2ebd3b6cc883f527ac44e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gdk4_0.6
 * [new ref]         1cc53d441d59d10a2d2ebd3b6cc883f527ac44e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1cc53d4 Initial import (gdk4 0.6 compat package)