$ debian/rules get-orig-source
cd ../ && \
        version=<\/upstream-version>.*/\1/p') && \
        tar -xvzf genpo-.tar.gz && \
        rm -f genpo-/organs/BigFrench.org \
                genpo-/organs/Campbells_Harpsichrd.org && \
        tar -cvf genpo- genpo_.orig.tar.gz && \
        rm -rf genpo-/
/bin/sh: Syntax error: Unterminated quoted string
make: *** [get-orig-source] Error 2
$ version=$(uscan --force-download --dehs | sed -n 's/.*<upstream-version>\(.*\)<\/upstream-version>.*/\1/p')

$ echo $version
0.9.6

The rules file

get-orig-source:
	cd ../ && \
	version=$(uscan --force-download --dehs | sed -n 's/.*<upstream-version>\(.*\)<\/upstream-version>.*/\1/p') && \
	tar -xvzf genpo-${version}.tar.gz && \
	rm -f genpo-${version}/organs/BigFrench.org \
		genpo-${version}/organs/Campbells_Harpsichrd.org && \
	tar -cvf genpo-${version} genpo_${version}.orig.tar.gz && \
	rm -rf genpo-${version}/