$ git clone -n https://git.cclinux.org/stage/rpms/mozjs60.git /var/lib/mock/dist-circle8-build-21783-3998/root/chroot_tmpdir/scmroot/mozjs60
Cloning into '/var/lib/mock/dist-circle8-build-21783-3998/root/chroot_tmpdir/scmroot/mozjs60'...
$ git reset --hard 99cd7c66b87f59b438bce2ba7ed43617f7757c0b
HEAD is now at 99cd7c6 import mozjs60-60.9.0-4.el8