From 7e6249bc3c494f2f762f039c31f10f1098bfece8 Mon Sep 17 00:00:00 2001
From: Ryan Cavicchioni <ryan@cavi.cc>
Date: Sat, 10 Apr 2021 03:02:08 +0000
Subject: [PATCH] Improve Debian packaging by creating a source package

---
 Makefile | 36 +++++++++++++++++++++++++-----------
 1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/Makefile b/Makefile
index 6f73ebe..000291a 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,13 @@ Q = $(if $(filter 1, $V),, @)
 BINDIR=$(CURDIR)/bin
 PREFIX=/usr
 DESTDIR=bin
+BUILDDIR=$(CURDIR)/build
+
+DEBBUILDDIR=$(BUILDDIR)/deb
+DEBTMPLDIR=$(CURDIR)/packaging/debian
+DEBDATE=$(shell date -R)
+DEBORIGSRC=lume_$(DEBVERSION).orig.tar.xz
+DEBORIGSRCDIR=lume-$(DEBVERSION)
 
 ifeq ($(OS), Windows_NT)
     EXE=$(BINDIR)/lume.exe
@@ -16,11 +23,18 @@ endif
 
 LUME_VERSION ?= $(shell git describe --tags --always)
 GIT_COMMIT := $(shell git rev-parse --short HEAD)
+GIT_TAG=$(shell git describe --tags --abbrev=0)
 LDFLAGS = \
 	-X git.kill0.net/chill9/lume/cmd.Version=$(LUME_VERSION) \
 	-X git.kill0.net/chill9/lume/cmd.BuildDate=$(BUILD_DATE) \
 	-X git.kill0.net/chill9/lume/cmd.GitCommit=$(GIT_COMMIT)
 
+ifneq (,$(findstring -,$(LUME_VERSION)))
+	DEBVERSION=$(GIT_TAG)+git$(shell date +%Y%m%d)+$(GIT_COMMIT)
+else
+	DEBVERSION=$(LUME_VERSION)
+endif
+
 .PHONY: build
 build:
 	$(Q) go build -o $(EXE) -ldflags="$(LDFLAGS)" ./cmd/lume
@@ -34,18 +48,18 @@ install:
 	$(Q) install -p -D -m 0755 $(EXE) $(DESTDIR)${PREFIX}/bin/lume
 	$(Q) install -p -D -m 0644 .lumerc.sample $(DESTDIR)${PREFIX}/share/lume/lumerc
 
-DEBDIR=$(CURDIR)/debian
-TMPLDIR=$(CURDIR)/packaging/debian
-DEBDATE=$(shell date -R)
-
 .PHONY: deb
 deb:
-	$(Q) mkdir -p $(DEBDIR)
-	$(Q) sed -e 's/__VERSION__/$(LUME_VERSION)/g' $(TMPLDIR)/rules > $(DEBDIR)/rules
-	$(Q) sed -e 's/__VERSION__/$(LUME_VERSION)/g' -e 's/__DATE__/$(DEBDATE)/g' $(TMPLDIR)/changelog > $(DEBDIR)/changelog
-	$(Q) echo 9 > $(DEBDIR)/compat
-	$(Q) cp $(TMPLDIR)/control $(DEBDIR)/control
-	$(Q) dpkg-buildpackage -us -uc -b
+	$(Q) mkdir -p $(DEBBUILDDIR)
+	$(Q) git archive --format tar --prefix lume-$(DEBVERSION)/ $(LUME_VERSION) | xz > $(DEBBUILDDIR)/$(DEBORIGSRC)
+	$(Q) tar xf $(DEBBUILDDIR)/$(DEBORIGSRC) -C $(DEBBUILDDIR)
+	$(Q) mkdir $(DEBBUILDDIR)/$(DEBORIGSRCDIR)/debian
+	$(Q) sed -e 's/__VERSION__/$(DEBVERSION)/g' $(DEBTMPLDIR)/rules > $(DEBBUILDDIR)/$(DEBORIGSRCDIR)/debian/rules
+	$(Q) sed -e 's/__VERSION__/$(DEBVERSION)/g' -e 's/__DATE__/$(DEBDATE)/g' $(DEBTMPLDIR)/changelog > $(DEBBUILDDIR)/$(DEBORIGSRCDIR)/debian/changelog
+	$(Q) echo 9 > $(DEBBUILDDIR)/$(DEBORIGSRCDIR)/debian/compat
+	$(Q) cp $(DEBTMPLDIR)/control $(DEBBUILDDIR)/$(DEBORIGSRCDIR)/debian/control
+	$(Q) dpkg-source -b $(DEBBUILDDIR)/$(DEBORIGSRCDIR)
+	$(Q) cd $(DEBBUILDDIR)/$(DEBORIGSRCDIR) && dpkg-buildpackage -us -uc
 
 deb-clean:
-	$(Q) rm -rf $(CURDIR)/debian
+	$(Q) rm -rf $(CURDIR)/build/deb