#!/usr/bin/make -f

SHELL=/bin/bash

subdirs_build_arch=	cprogs
subdirs_nobuild=backup sync-accounts scripts fishdescriptor
package=	chiark-utils
packages_indep=	chiark-backup chiark-scripts
packages_arch=	chiark-rwbuffer chiark-really chiark-utils-bin
packages=	$(packages_indep) $(packages_arch)

cwd=	$(shell pwd)
d=	$(cwd)/debian
t=	$d/tmp

D_BUILDFLAGS=DEB_BUILD_MAINT_OPTIONS=future=+lfs dpkg-buildflags

makebuildargs := OPTIMISE= DEBUG= \
 CMDLINE_CFLAGS="$(shell $(D_BUILDFLAGS) --get CFLAGS)" \
 CMDLINE_CPPFLAGS="$(shell $(D_BUILDFLAGS) --get CPPFLAGS) -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64" \
 CMDLINE_LDFLAGS="$(shell $(D_BUILDFLAGS) --get LDFLAGS)"

%:
	dh $@

override_dh_auto_build:
	set -e; for s in $(subdirs_build_arch); do \
		dh_auto_build --sourcedirectory=$$s -- all $(makebuildargs); \
	done


override_dh_auto_clean:
	rm -f build
	set -e; for s in $(subdirs_build_arch); do \
		$(MAKE) -C $$s -i distclean || \
		$(MAKE) -C $$s -f Makefile.in distclean; \
	done
	rm -rf debian/sv-*

override_dh_auto_install:
	# The ownership information will be reset later to root:root in
	# the `dpkg-deb` call, so the actual ownership here is of no
	# consequence as long as we are allowed to perform the action.
	#
	# Chown'ing from your own user/group to itself is always allowed,
	# so we pass that via id -u/-g.
	set -e; for s in $(subdirs_build_arch) $(subdirs_nobuild); do \
		$(MAKE) -C $$s install install-docs install-examples \
			prefix=$t/$$s/usr \
			etcdir=$t/$$s/etc \
			varlib=$t/$$s/var/lib \
			mandir=$t/$$s/usr/share/man \
			SYSTEM_USER=$$(id -u) \
			SYSTEM_GROUP=$$(id -g); \
	done
	#
	mv $t/cprogs $d/chiark-utils-bin
	#
	cp -a debian/tmp/fishdescriptor/* debian/tmp/scripts/.
	cp -a debian/tmp/sync-accounts/* debian/tmp/scripts/.
	rm -r debian/tmp/sync-accounts
	mv debian/tmp/scripts debian/chiark-scripts
	mv debian/tmp/backup debian/chiark-backup

	# Move all packages created so far up to debian/<pkg>, where the dh_*
	# expects to find them now that we are done renaming things.
	set -e; for p in $(dh_listpackages); do \
		[ ! -d $t/$$p ] || mv $t/$$p debian/$$p ; \
	done

	# Last bit of moving things around manually, where the debhelper tools
	# will not trivially do it (at least, without stuff like `dh-exec`)

	install -d debian/chiark-rwbuffer/usr/bin
	install -d debian/chiark-rwbuffer/usr/share/man/man1
	cd debian/chiark-utils-bin/usr/bin && \
		mv readbuffer writebuffer $d/chiark-rwbuffer/usr/bin/
	cd debian/chiark-utils-bin/usr/share/man/man1 && \
		mv readbuffer.1 writebuffer.1 $d/chiark-rwbuffer/usr/share/man/man1/

	install -d debian/chiark-backup/usr/share/man/man1
	cp backup/man/*.1 debian/chiark-backup/usr/share/man/man1/
	cd debian/chiark-backup/usr/share/man/man1 && \
		for m in *.1; do \
			mv "$$m" backup-"$$m"; \
		done
	cp \
 debian/chiark-backup/usr/share/doc/chiark-backup/examples/chiark/settings.sh \
 debian/chiark-backup/etc/chiark-backup/settings.sh
	#
	install -d debian/chiark-really/usr/sbin
	install -d debian/chiark-really/usr/share/man/man8
	cd $d/chiark-utils-bin/usr/sbin && \
		mv really $d/chiark-really/usr/sbin/
	cd $d/chiark-utils-bin/usr/share/man/man8 && \
		mv really.8 $d/chiark-really/usr/share/man/man8/
	rm	debian/chiark-utils-bin/usr/sbin/trivsoundd \
		debian/chiark-utils-bin/usr/share/man/man8/trivsoundd.8
	rmdir	debian/chiark-utils-bin/usr/sbin

	# We are not installing these. To avoid dh_missing complaining,
	# lets just remove them (Could also be moved to debian/not-installed)
	rm -fr debian/tmp/fishdescriptor/usr/lib/python2.7
	rm -fr debian/tmp/fishdescriptor/usr/lib/python3
	rm -f debian/tmp/fishdescriptor/usr/bin/fishdescriptor


override_dh_shlibdeps:
	dh_shlibdeps -p chiark-rwbuffer
	dh_shlibdeps -p chiark-really

	set -e; for f in $d/chiark-utils-bin/usr/bin/*; do \
		fn="$$f"; if test -L "$$f"; then fn=$$(realpath "$$fn"); fi; \
		case "$$fn" in \
		*/xbatmon-simple|*/xduplic-copier) \
					d=Suggests	;; \
		*/watershed|*/summer|*/cgi-fcgi-interp|*/prefork-interp) \
					d=Recommends	;; \
		*)			d=Depends	;; \
		esac; \
		a="$$a -d$$d $$f"; \
	    done; set -x; \
	    dh_shlibdeps -p chiark-utils-bin -- $$a


execute_after_dh_fixperms:
	chmod u+s,o-x debian/chiark-really/usr/sbin/really