$ git clone -n https://src.fedoraproject.org/rpms/rust-gdk4_0.10.git /var/lib/mock/f45-build-41849-786/root/chroot_tmpdir/scmroot/rust-gdk4_0.10
Cloning into '/var/lib/mock/f45-build-41849-786/root/chroot_tmpdir/scmroot/rust-gdk4_0.10'...
$ git fetch origin 5975a868d83133b9c9b72a4aad2ee91d9b3d742e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gdk4_0.10
 * [new ref]         5975a868d83133b9c9b72a4aad2ee91d9b3d742e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5975a86 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild