$ git clone -n https://src.fedoraproject.org/rpms/mozjs78.git /var/lib/mock/f33-build-538416-65031/root/chroot_tmpdir/scmroot/mozjs78
Cloning into '/var/lib/mock/f33-build-538416-65031/root/chroot_tmpdir/scmroot/mozjs78'...
$ git reset --hard 9a3f96cedc96cc0c40ed5dc8cc3470eedeca1e81
HEAD is now at 9a3f96c Release 78.7.0