$ git clone -n https://src.fedoraproject.org/rpms/firefox.git /var/lib/mock/f33-build-584465-66608/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/f33-build-584465-66608/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard bdb2a668ff34d2ca57ef352e11e5beeb110df8c4
HEAD is now at bdb2a66 Disabled crashreporer, require nss 3.63