$ git clone -n https://src.fedoraproject.org/rpms/libXau.git /var/lib/mock/f37-build-638488-70244/root/chroot_tmpdir/scmroot/libXau
Cloning into '/var/lib/mock/f37-build-638488-70244/root/chroot_tmpdir/scmroot/libXau'...
$ git reset --hard 870b6c91f99641da87d44c8fff5c6bcbe379930e
HEAD is now at 870b6c9 update to 1.0.10