$ git clone -n https://src.fedoraproject.org/rpms/gjs.git /var/lib/mock/f33-build-575673-66056/root/chroot_tmpdir/scmroot/gjs
Cloning into '/var/lib/mock/f33-build-575673-66056/root/chroot_tmpdir/scmroot/gjs'...
$ git reset --hard c5b2f63959f130cf56a904ae7b18517148934cbc
HEAD is now at c5b2f63 Rebuild against mozjs78-78.9.0-1