$ git clone -n https://src.fedoraproject.org/rpms/CuraEngine-lulzbot.git /var/lib/mock/f31-build-103066-33604/root/chroot_tmpdir/scmroot/CuraEngine-lulzbot
Cloning into '/var/lib/mock/f31-build-103066-33604/root/chroot_tmpdir/scmroot/CuraEngine-lulzbot'...
$ git reset --hard 6e49109a2574b5d0b071db92ffb02d2d8d95cfb8
HEAD is now at 6e49109 3.6.18