From 1f5af9b941ac429d485ebcc80c17b5a6862f5a64 Mon Sep 17 00:00:00 2001
From: Benjamin Chausse <benjamin@chausse.xyz>
Date: Sun, 16 Jun 2024 10:32:23 -0400
Subject: Add versioning

---
 Makefile  | 27 ++++++++++++++++++++-------
 sixkcd.go |  3 +++
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index ff38c26..8c1db33 100644
--- a/Makefile
+++ b/Makefile
@@ -1,24 +1,37 @@
 # sixkcd - Fetch XKCD comics from the command line
 # See LICENSE file for copyright and license details.
+COMMIT := $(shell git rev-parse --short HEAD)
+VERSION := $(or $(SIXKCD_VERSION),dev-$(COMMIT))
+
+SRC := $(shell go list -f '{{range .GoFiles}}{{$$.Dir}}/{{.}} {{end}}' ./...)
+
+CMD := sixkcd
 
 PREFIX=/usr/local
 MANPREFIX=$(PREFIX)/share/man
 
-all:
+sixkcd: $(SRC)
 	go mod download
-	go build -o sixkcd ./sixkcd.go
+	go mod verify
+	go build -ldflags "-X main.version=$(VERSION)" -o $(CMD) ./$(CMD).go
 
 install: all
 	mkdir -p $(PREFIX)/bin
 	mkdir -p $(MANPREFIX)/man1
-	cp -f sixkcd $(PREFIX)/bin
-	cp -f sixkcd.1 $(MANPREFIX)/man1
+	cp -f $(CMD) $(PREFIX)/bin
+	cp -f $(CMD).1 $(MANPREFIX)/man1
 
 clean:
-	rm -f ./sixkcd
+	rm -f ./$(CMD)
 
 uninstall:
-	rm -f $(PREFIX)/bin/sixkcd
-	rm -f $(MANPREFIX)/man1/sixkcd.1
+	rm -f $(PREFIX)/bin/$(CMD)
+	rm -f $(MANPREFIX)/man1/$(CMD).1
+
+info:
+	@echo "$(CMD)"
+	@echo "Version: $(VERSION)"
+
+all: info sixkcd
 
 .PHONY: all install clean uninstall help
diff --git a/sixkcd.go b/sixkcd.go
index b9c13d7..9fdfdc9 100644
--- a/sixkcd.go
+++ b/sixkcd.go
@@ -22,6 +22,8 @@ const (
   target = "info.0.json"
 )
 
+var version string
+
 type Comic struct {
   Month string
   Num int
@@ -40,6 +42,7 @@ func main() {
   app := &cli.App{
     Name: "siXKCD",
     Usage: "Sixel viewer/fetcher for XKCD Comics",
+    Version: version,
     Authors: []*cli.Author{
       {
         Name: "Benjamin Chausse",
-- 
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