$ git clone -n https://src.fedoraproject.org/rpms/rust-gtk4_0.10.git /var/lib/mock/f45-build-42188-791/root/chroot_tmpdir/scmroot/rust-gtk4_0.10
Cloning into '/var/lib/mock/f45-build-42188-791/root/chroot_tmpdir/scmroot/rust-gtk4_0.10'...
$ git fetch origin c9ffb7424a8543dda98d2f30fa287d03750377c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gtk4_0.10
 * [new ref]         c9ffb7424a8543dda98d2f30fa287d03750377c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9ffb74 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild