$ git clone -n https://src.fedoraproject.org/rpms/firefox.git /var/lib/mock/f33-build-282275-51726/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/f33-build-282275-51726/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard 2e8349261d2916513ac44ca33e3017ca1da8e716
HEAD is now at 2e83492 updated cbindgen