$ git clone -n https://src.fedoraproject.org/rpms/rubygem-glib2.git /var/lib/mock/f37-build-side-32-misc-devel-183758-12275/root/chroot_tmpdir/scmroot/rubygem-glib2
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-183758-12275/root/chroot_tmpdir/scmroot/rubygem-glib2'...
$ git reset --hard 4ac891f6059d35d80391105b22a338884e5c6a9d
HEAD is now at 4ac891f 4.0.5