$ git clone -n https://src.fedoraproject.org/rpms/rubygem-gio2.git /var/lib/mock/f37-build-side-32-misc-devel-285634-14638/root/chroot_tmpdir/scmroot/rubygem-gio2
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-285634-14638/root/chroot_tmpdir/scmroot/rubygem-gio2'...
$ git reset --hard b16e8645494b9feb11444462ba1e1fca55250a9c
HEAD is now at b16e864 4.0.5