$ git clone -n https://src.fedoraproject.org/rpms/firefox.git /var/lib/mock/f33-build-152074-43295/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/f33-build-152074-43295/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard f983a1b3848c02b2f620f219dbbcbb5762cc4e7b
HEAD is now at f983a1b Updated mozilla-1623106.patch