$ git clone -n https://src.fedoraproject.org/rpms/rubygem-gobject-introspection.git /var/lib/mock/f31-build-109543-33939/root/chroot_tmpdir/scmroot/rubygem-gobject-introspection
Cloning into '/var/lib/mock/f31-build-109543-33939/root/chroot_tmpdir/scmroot/rubygem-gobject-introspection'...
$ git reset --hard 0dad077a1f7f5450003d0701154431353cb3cef0
HEAD is now at 0dad077 3.3.7