$ git clone -n https://src.fedoraproject.org/rpms/jbig2dec.git /var/lib/mock/f32-build-120148-36916/root/chroot_tmpdir/scmroot/jbig2dec
Cloning into '/var/lib/mock/f32-build-120148-36916/root/chroot_tmpdir/scmroot/jbig2dec'...
$ git reset --hard 286570afe55ab0cb1efa88668c789dfd505ef462
HEAD is now at 286570a require exact libs version