$ git clone -n https://src.fedoraproject.org/rpms/thunderbird.git /var/lib/mock/f33-build-339638-58630/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/f33-build-339638-58630/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard 2f6258248a97df769c525e9031c6cc0c2a303393
HEAD is now at 2f62582 Update to 68.10.0 build1