all: make the share.Version in the command to be dynamic

Instead of using only the last tagged version use the last tag
plus latest commit hash.

This changes require the Version and other constants that use it
to be declared as variable.

3 files changed, 7 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index 5eebd355..4f2e391e 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ CPU_PROF:=cpu.prof
 MEM_PROF:=mem.prof
 
 CIIGO := ${GOBIN}/ciigo
+VERSION := $(shell git describe --tags)
 
 .PHONY: all install lint build docs docs-serve clean distclean
 .PHONY: test test.prof bench.lib.websocket coverbrowse
@@ -17,9 +18,12 @@ all: test lint build
 install:
 	go install ./cmd/...
 
+build: BUILD_FLAGS=-ldflags "-s -w -X 'github.com/shuLhan/share.Version=$(VERSION)'"
+build: GOOS=linux
+build: GOARCH=amd64
 build:
 	mkdir -p _bin/linux-amd64
-	GOOS=linux GOARCH=amd64 go build -o _bin/linux-amd64/ ./cmd/...
+	go build $(BUILD_FLAGS) -o _bin/linux-amd64/ ./cmd/...
 
 test:
 	CGO_ENABLED=1 go test -failfast -race -count=1 -coverprofile=$(COVER_OUT) ./...
diff --git a/lib/http/client.go b/lib/http/client.go
index 1357b995..99ef6ca1 100644
--- a/lib/http/client.go
+++ b/lib/http/client.go
@@ -28,7 +28,7 @@ import (
 	"github.com/shuLhan/share/lib/debug"
 )
 
-const (
+var (
 	defUserAgent = "libhttp/" + share.Version +
 		" (github.com/shuLhan/share/lib/http; ms@kilabit.info)"
 )
diff --git a/share.go b/share.go
index d5fce1aa..0cc1c75a 100644
--- a/share.go
+++ b/share.go
@@ -6,7 +6,7 @@
 // language, and tools written in Go.
 package share
 
-const (
+var (
 	// Version of this module.
 	Version = "0.39.0"
 )