# 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
man7dir=$(mandir)/man7
infraexamplesdir=$(prefix)/share/doc/dgit-infrastructure/examples
txtdocdir=$(prefix)/share/doc/dgit
absurddir=$(prefix)/share/dgit/absurd

PROGRAMS=dgit
MAN1PAGES=dgit.1
MAN7PAGES=dgit.7 dgit-maint-merge.7
TXTDOCS=README.dsc-import
PERLMODULES=Debian/Dgit.pm
ABSURDITIES=git

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

all:	$(MAN7PAGES) $(addprefix substituted/,$(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) $(DESTDIR)$(man7dir) \
		$(DESTDIR)$(txtdocdir) $(DESTDIR)$(absurddir) \
		$(addprefix $(DESTDIR)$(perldir)/, $(dir $(PERLMODULES)))

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

check installcheck:

clean distclean mostlyclean maintainer-clean:
	rm -rf tests/tmp substituted
	set -e; for m in $(MAN7PAGES); do \
		test -e $$m.pod && rm -f $$m; \
	done

%.7: %.7.pod
	pod2man --section=7 --date="Debian Project" --center="dgit" \
		--name=$(subst .7,,$@) \
		$^ $@