#
#  check-kernel - check if the installed kernel is currently running
#
#  Copyright (c) 2018 Erich Eckner <opensource at eckner dot net>
#
#  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 2 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, write to the Free Software
#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
#  USA.
#

DESTDIR	 =
ETCDIR   = /etc
BINDIR	 = /usr/bin
MANDIR	 = /usr/share/man

VERSION  = 0.6

all: man.commons check-kernel check-kernel.conf check-kernel.1

%: %.in
	sed " \
		s/#VERSION#/$(VERSION)/; \
		s@#BINDIR#@$(BINDIR)@; \
		s@#ETCDIR#@$(ETCDIR)@; \
		s@#HELPTEXT#\(\s\+\)#@  --help   \1display this help and exit\n  --version\1display version and exit@; \
		" $< > $@
	[ "$@" = "check-kernel" ] && chmod +x "$@" || true

%.1: % man.commons
	grep -v "^$<(" man.commons | sed '/^\[SEE ALSO]$$/{n;:a;N;/\[/b;s/\n/, /;ta;}' > "$<.common" && \
	help2man \
	-n 'Check if the installed kernel is currently running' \
	-o "$@" -N --include $<.common --no-discard-stderr "./$<"

.PHONY:	install dist clean

install: all
	install -D -m0755 check-kernel $(DESTDIR)$(BINDIR)/check-kernel
	install -D -m0644 check-kernel.conf $(DESTDIR)$(ETCDIR)/check-kernel.conf
	install -D -m0644 check-kernel.1 $(DESTDIR)$(MANDIR)/man1/check-kernel.1

clean:
	ls -A | \
		grep "^\($(shell sed 's|\.|\\.|; s|\*|.*|; s|$$|\\|' .gitignore | tr '\n' '\|')\)\$$" | \
		xargs -r rm

dist: clean
	git status --porcelain 2> /dev/null | grep -q "\S" && (git add .; git commit -m"neue Version: $(VERSION)") || true
	! git tag -d v$(VERSION) 2> /dev/null
	git tag v$(VERSION)
	git push
	git push --tags

# End of file