#!/usr/bin/make -f
include /usr/share/dpkg/pkg-info.mk

BUILDDIR := $(CURDIR)/build

BINNAME := $(DEB_SOURCE)
WHATIS := "$(BINNAME) \\- Prometheus exporter for Postfix metrics"

%:
	dh $@ --buildsystem=golang --builddirectory=$(BUILDDIR)

override_dh_auto_build:
	dh_auto_build -- -tags nosystemd
	# Rename the binary to match the debian package.
	mv -v $(BUILDDIR)/bin/postfix_exporter $(BUILDDIR)/bin/$(BINNAME)
	$(BUILDDIR)/bin/$(BINNAME) --help-man > $(BUILDDIR)/$(BINNAME).1
	# Remove build user/build date/go version headers, which is ugly.
	sed -i -e '/^  /d' $(BUILDDIR)/$(BINNAME).1
	# Fix whatis entry.
	sed -i '/^.SH "NAME"/,+1c.SH "NAME"\n'$(WHATIS) $(BUILDDIR)/$(BINNAME).1
	# Remove default values as they create unwieldy long lines.
	sed -i 's/\\fB--\(.*\)=".*"\\fR/\\fB--\1\\fR/' $(BUILDDIR)/$(BINNAME).1

override_dh_auto_install:
	dh_auto_install -- --no-source