$ git clone -n https://src.fedoraproject.org/rpms/gnome-nibbles.git /var/lib/mock/f38-build-721871-98655/root/chroot_tmpdir/scmroot/gnome-nibbles
Cloning into '/var/lib/mock/f38-build-721871-98655/root/chroot_tmpdir/scmroot/gnome-nibbles'...
$ git reset --hard d3334cb1af91c3e114372d95956895363bb13c4b
HEAD is now at d3334cb gnome-nibbles 3.38.3