$ git clone -n https://src.fedoraproject.org/rpms/tlf.git /var/lib/mock/f37-build-668995-74869/root/chroot_tmpdir/scmroot/tlf
Cloning into '/var/lib/mock/f37-build-668995-74869/root/chroot_tmpdir/scmroot/tlf'...
$ git reset --hard b3987007abeab7ae703eaa147e5f06030eda62df
HEAD is now at b398700 Fixed FTBFS