Makefile

# baselayout Makefile
# Copyright 2006-2011 Gentoo Foundation
# Copyright 2014 The CoreOS Authors
# Distributed under the terms of the GNU General Public License v2

# used in "all" and "layout" targets
LIBDIRS ?= lib

INSTALL       ?= install
INSTALL_DIR    = $(INSTALL) -m 0755 -d
INSTALL_EXE    = $(INSTALL) -m 0755
INSTALL_FILE   = $(INSTALL) -m 0644
INSTALL_SECURE = $(INSTALL) -m 0600

DESTDIR =

all: lib/tmpfiles.d/baselayout-usr.conf share/baselayout/shadow share/baselayout/gshadow

lib/tmpfiles.d/baselayout-usr.conf: Makefile
	for d in $(LIBDIRS); do \
		echo "L+	/$${d}	-	-	-	-	usr/$${d}"; \
	done >$@

share/baselayout/shadow: share/baselayout/passwd Makefile
	awk 'BEGIN {FS = ":"} { print $$1 ":*:15887:0:::::" }' <$< >$@

share/baselayout/gshadow: share/baselayout/group Makefile
	awk 'BEGIN {FS = ":"} { print $$1 ":*::" $$4 }' <$< >$@

clean:
	rm -f lib/tmpfiles.d/baselayout-usr.conf share/baselayout/shadow share/baselayout/gshadow

install:
	if [[ -d bin ]]; then \
		$(INSTALL_DIR) $(DESTDIR)/usr/bin; \
		cp -pPR bin/* $(DESTDIR)/usr/bin/; \
	fi
	$(INSTALL_DIR) $(DESTDIR)/etc
	cp -pPR etc/* $(DESTDIR)/etc/
	$(INSTALL_DIR) $(DESTDIR)/usr/lib
	cp -pPR lib/* $(DESTDIR)/usr/lib/
	$(INSTALL_DIR) $(DESTDIR)/usr/share
	cp -pPR share/* $(DESTDIR)/usr/share/
	# no secrets in our shadow or sudoers but this is the proper way
	chmod 0440 $(DESTDIR)/usr/share/baselayout/sudoers
	chmod 0640 $(DESTDIR)/usr/share/baselayout/*shadow
	# FHS compatibility symlinks stuff
	ln -snf /var/tmp $(DESTDIR)/usr/tmp
	# backwards compatibility for /etc/motd
	ln -snf /run/flatcar/motd $(DESTDIR)/usr/share/baselayout/motd

ALL_DIRS = $(foreach dir, bin local/bin local/sbin $(foreach dir2, $(LIBDIRS), $(dir2) local/$(dir2)),usr/$(dir) usr/lib/debug/usr/$(dir))
# target:linkname pairs
ALL_LINKS = \
	$(foreach dir, bin $(LIBDIRS),usr/$(dir):$(dir) usr/$(dir):usr/lib/debug/$(dir)) \
	usr/bin:sbin usr/bin:usr/lib/debug/sbin bin:usr/sbin bin:usr/lib/debug/usr/sbin

layout:
	for d in $(ALL_DIRS); do \
		$(INSTALL_DIR) $(DESTDIR)/$${d} || exit 1; \
	done
	for p in $(ALL_LINKS); do \
		t=$${p%%:*}; \
		f=$${p#*:}; \
		ln -snf "$${t}" "$(DESTDIR)/$${f}" || exit 1; \
	done
	# created by systemd's tmpfiles.d/tmp.conf but that is installed later
	$(INSTALL) -m 1777 -d $(DESTDIR)/tmp $(DESTDIR)/var/tmp

.PHONY: all clean install layout