# dgit
# Integration between git and Debian-style archives
#
# Copyright (C)2013-2016 Ian Jackson
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

INSTALL=install
INSTALL_DIR=$(INSTALL) -d
INSTALL_PROGRAM=$(INSTALL) -m 755
INSTALL_DATA=$(INSTALL) -m 644

prefix?=/usr/local

bindir=$(prefix)/bin
mandir=$(prefix)/share/man
perldir=$(prefix)/share/perl5
man1dir=$(mandir)/man1
man5dir=$(mandir)/man5
man7dir=$(mandir)/man7
infraexamplesdir=$(prefix)/share/doc/dgit-infrastructure/examples
txtdocdir=$(prefix)/share/doc/dgit
absurddir=$(prefix)/share/dgit/absurd

PROGRAMS=dgit dgit-badcommit-fixup
MAN1PAGES=dgit.1

MAN7PAGES=dgit.7				\
	dgit-user.7 dgit-nmu-simple.7		\
	dgit-maint-native.7			\
	dgit-maint-merge.7 dgit-maint-gbp.7	\
	dgit-maint-debrebase.7                  \
	dgit-downstream-dsc.7			\
	dgit-sponsorship.7

TXTDOCS=README.dsc-import
PERLMODULES= \
	Debian/Dgit.pm \
	Debian/Dgit/ExitStatus.pm \
	Debian/Dgit/I18n.pm
ABSURDITIES=git

GDR_PROGRAMS=git-debrebase
GDR_PERLMODULES= \
	Debian/Dgit.pm \
	Debian/Dgit/GDR.pm \
	Debian/Dgit/ExitStatus.pm \
	Debian/Dgit/I18n.pm
GDR_MAN1PAGES=git-debrebase.1
GDR_MAN5PAGES=git-debrebase.5

INFRA_PROGRAMS=dgit-repos-server dgit-ssh-dispatch \
	dgit-repos-policy-debian dgit-repos-admin-debian \
	dgit-repos-policy-trusting dgit-mirror-rsync
INFRA_EXAMPLES=get-dm-txt ssh-wrap drs-cron-wrap get-suites
INFRA_PERLMODULES= \
	Debian/Dgit.pm \
	Debian/Dgit/Infra.pm \
	Debian/Dgit/Policy/Debian.pm

MANPAGES=$(MAN1PAGES) $(MAN5PAGES) $(MAN7PAGES) \
	$(GDR_MAN1PAGES) $(GDR_MAN5PAGES)

all:	$(MANPAGES) $(addprefix substituted/,$(PROGRAMS))

substituted/%:	%
	mkdir -p substituted
	perl -pe 's{\bundef\b}{'\''$(absurddir)'\''} if m/###substituted###/' \
		<$< >$@

install:	installdirs all
	$(INSTALL_PROGRAM) $(addprefix substituted/,$(PROGRAMS)) \
		$(DESTDIR)$(bindir)
	$(INSTALL_PROGRAM) $(addprefix absurd/,$(ABSURDITIES)) \
		$(DESTDIR)$(absurddir)
	$(INSTALL_DATA) $(MAN1PAGES) $(DESTDIR)$(man1dir)
	$(INSTALL_DATA) $(MAN7PAGES) $(DESTDIR)$(man7dir)
	$(INSTALL_DATA) $(TXTDOCS) $(DESTDIR)$(txtdocdir)
	set -e; for m in $(PERLMODULES); do \
		$(INSTALL_DATA) $$m $(DESTDIR)$(perldir)/$${m%/*}; \
	done

installdirs:
	$(INSTALL_DIR) $(DESTDIR)$(bindir) \
		$(DESTDIR)$(man1dir) $(DESTDIR)$(man5dir) \
		$(DESTDIR)$(man7dir) \
		$(DESTDIR)$(txtdocdir) $(DESTDIR)$(absurddir) \
		$(addprefix $(DESTDIR)$(perldir)/, $(dir $(PERLMODULES)))

install-gdr:	installdirs-gdr
	$(INSTALL_PROGRAM) $(GDR_PROGRAMS) $(DESTDIR)$(bindir)
	$(INSTALL_DATA) $(GDR_MAN1PAGES) $(DESTDIR)$(man1dir)
	$(INSTALL_DATA) $(GDR_MAN5PAGES) $(DESTDIR)$(man5dir)
	set -e; for m in $(GDR_PERLMODULES); do \
		$(INSTALL_DATA) $$m $(DESTDIR)$(perldir)/$${m%/*}; \
	done

install-infra:	installdirs-infra
	$(INSTALL_PROGRAM) $(addprefix infra/, $(INFRA_PROGRAMS)) \
		$(DESTDIR)$(bindir)
	$(INSTALL_PROGRAM) $(addprefix infra/, $(INFRA_EXAMPLES)) \
		$(DESTDIR)$(infraexamplesdir)
	set -e; for m in $(INFRA_PERLMODULES); do \
		$(INSTALL_DATA) $$m $(DESTDIR)$(perldir)/$${m%/*}; \
	done

installdirs-gdr:
	$(INSTALL_DIR) $(DESTDIR)$(bindir) \
		$(DESTDIR)$(man1dir) $(DESTDIR)$(man5dir) \
		$(addprefix $(DESTDIR)$(perldir)/, $(dir $(GDR_PERLMODULES)))

installdirs-infra:
	$(INSTALL_DIR) $(DESTDIR)$(bindir) $(DESTDIR)$(infraexamplesdir) \
		$(addprefix $(DESTDIR)$(perldir)/, $(dir $(INFRA_PERLMODULES)))

list-manpages:
	@echo $(MANPAGES)

check installcheck:

clean distclean mostlyclean maintainer-clean:
	rm -rf tests/tmp substituted
	set -e; for m in $(MANPAGES); do \
		test -e $$m.pod && rm -f $$m; \
	done

dgit%: dgit%.pod
	m=$@; pod2man --section=$${m##*.} --date="Debian Project" \
		--center="dgit" --name=$${m%.*} \
		$^ $@

git-debrebase.%: git-debrebase.%.pod
	pod2man --section=$* --date="Debian Project" --center="git-debrebase" \
		--name=$(subst .$*,,$@) \
		$^ $@

%.view:	%
	man -l $*