$ git clone -n https://src.fedoraproject.org/rpms/thunderbird.git /var/lib/mock/f37-build-639753-71327/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/f37-build-639753-71327/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard 3f8d976c97438b91258417ddbe203d5dccf14731
HEAD is now at 3f8d976 Update to 102.2.1