#!/usr/bin/make -f
# -*- makefile -*-

include /usr/share/dpkg/pkg-info.mk

# Something larger than what we have in unstable
GNU_COREUTILS_VERSION := 9.7-999

%:
	dh $@


update-links:
	# gnu-coreutils we take everything
	dpkg -L gnu-coreutils | sed s#^/## | grep -E '(man.|bin)/gnu' | sort -u | while read x; do echo $$x $$(echo $$x | sed s#/gnu#/#); done  > debian/coreutils-from-gnu.links
	# rust-coreutils we take everything too, except more
	( coreutils --list | sed 's#^#usr/bin/coreutils usr/bin/#' ; \
	dpkg -L rust-coreutils | sed s#^/## | grep -E 'man./rust-' | sort -u | while read x; do echo $$x $$(echo $$x | sed s#/rust-#/#); done ) | grep -vE '/(more|kill|hostname|uptime)'  > debian/coreutils-from-uutils.links

	# [ usually has no manual page, we need to add one
	echo usr/share/man/man1/gnutest.1.gz usr/share/man/man1/[.1.gz >> debian/coreutils-from-gnu.links
	echo usr/share/man/man1/rust-test.1.gz usr/share/man/man1/[.1.gz >> debian/coreutils-from-uutils.links

	# We limit busybox and toybox to the ones allowed by gnu and rust-coreutils
	sed -nr 's#.*bin/([^/]*)$$#\1#gp' debian/coreutils-from-gnu.links debian/coreutils-from-uutils.links | sort -u > debian/real-coreutils.list
	busybox --list > debian/busybox.list
	comm -12 debian/real-coreutils.list debian/busybox.list | sed 's#^#usr/bin/busybox usr/bin/#' > debian/coreutils-from-busybox.links
	toybox | tr ' ' '\n' | sort > debian/toybox.list
	comm -12 debian/real-coreutils.list debian/toybox.list | sed 's#^#usr/bin/toybox usr/bin/#' > debian/coreutils-from-toybox.links
	rm debian/*.list


execute_before_dh_clean:
	rm -f debian/*.pre* debian/*.post*

execute_before_dh_installdeb:
	for package in coreutils-from-uutils coreutils-from-busybox coreutils-from-gnu coreutils-from-toybox; do \
		for script in preinst prerm; do \
			sed "s/@PACKAGE@/$$package/;s/@UTILS@/`awk -F/ '{print $$NF}' debian/$$package.links | xargs`/g" debian/$$script.in > debian/$$package.$$script; \
		done; \
	done

override_dh_gencontrol:
	# Bump the version for coreutils so that upgrades are possible
	dh_gencontrol -pcoreutils -- -v$(GNU_COREUTILS_VERSION)+$(DEB_VERSION)
	dh_gencontrol --remaining-packages -- -Vcoreutils:Version=$(GNU_COREUTILS_VERSION)+$(DEB_VERSION)