$ git clone -n https://src.fedoraproject.org/rpms/thunderbird.git /var/lib/mock/f33-build-261310-51148/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/f33-build-261310-51148/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard 0c083d7ada2af3e1f366018deb586f5a2ccf754b
HEAD is now at 0c083d7 Use D-Bus remote on Wayland (rhbz#1817330)