$ git clone -n https://src.fedoraproject.org/rpms/otter-browser.git /var/lib/mock/f33-build-291830-54766/root/chroot_tmpdir/scmroot/otter-browser
Cloning into '/var/lib/mock/f33-build-291830-54766/root/chroot_tmpdir/scmroot/otter-browser'...
$ git reset --hard 8db5a2ad89c6ec384ff986e80206bf28e8288432
HEAD is now at 8db5a2a Fixes FTBFS