$ git clone -n https://src.fedoraproject.org/rpms/mozjs68.git /var/lib/mock/f33-build-317974-57836/root/chroot_tmpdir/scmroot/mozjs68
Cloning into '/var/lib/mock/f33-build-317974-57836/root/chroot_tmpdir/scmroot/mozjs68'...
$ git reset --hard 07a4b478781b1c81d2f51fbbb95d0ff1f7b99fb5
HEAD is now at 07a4b47 Release 68.11.0