From c71ebea2d42de904061643bb74553c61919fa899 Mon Sep 17 00:00:00 2001
From: Grzegorz Dlugoszewski <g.dlugoszewski@gmail.com>
Date: Fri, 12 Jun 2020 20:56:34 +0200
Subject: [PATCH] Move the version metadata to cfg packageThis way it can be
 used by multiple binaries.

---
 .goreleaser.yml   | 25 +++++++++++++++++--------
 cmd/list/main.go  |  8 +-------
 pkg/cfg/config.go | 18 ++++++++++++++++++
 3 files changed, 36 insertions(+), 15 deletions(-)

diff --git a/.goreleaser.yml b/.goreleaser.yml
index e1f9e41..e1bac2b 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -3,20 +3,29 @@ before:
     - go mod download
 
 builds:
-  - main: ./cmd/main.go
-    binary: "git-get"
+  - id: git-list
+    main: ./cmd/list/main.go
+    binary: git-list
+    ldflags:
+      - -s -w 
+      - -X git-get/pkg/cfg.version={{.Version}} 
+      - -X git-get/pkg/cfg.commit={{.Commit}} 
+      - -X git-get/pkg/cfg.date={{.Date}}
     goos:
       - linux
       - darwin
       - windows
 
 archives:
-- replacements:
-    darwin: macOS
-    linux: Linux
-    windows: Windows
-    386: i386
-    amd64: x86_64
+  - id: archive
+    builds:
+      - git-list
+    replacements:
+      darwin: macOS
+      linux: Linux
+      windows: Windows
+      386: i386
+      amd64: x86_64
 
 checksum:
   name_template: 'checksums.txt'
diff --git a/cmd/list/main.go b/cmd/list/main.go
index 8fd14f0..6842dc3 100644
--- a/cmd/list/main.go
+++ b/cmd/list/main.go
@@ -13,18 +13,12 @@ import (
 	"github.com/spf13/viper"
 )
 
-var (
-	version = "dev"
-	commit  = "unknown"
-	date    = "unknown"
-)
-
 var cmd = &cobra.Command{
 	Use:     "git-get <repo>",
 	Short:   "git get",
 	Run:     Run,
 	Args:    cobra.MaximumNArgs(1), // TODO: add custom validator
-	Version: fmt.Sprintf("%s - %s, build at %s", version, commit, date),
+	Version: cfg.Version(),
 }
 
 func init() {
diff --git a/pkg/cfg/config.go b/pkg/cfg/config.go
index 774763b..0573062 100644
--- a/pkg/cfg/config.go
+++ b/pkg/cfg/config.go
@@ -1,6 +1,7 @@
 package cfg
 
 import (
+	"fmt"
 	"path"
 	"strings"
 
@@ -37,6 +38,23 @@ const (
 	OutSimple = "simple"
 )
 
+// Version metadata set by ldflags during the build.
+var (
+	version string
+	commit  string
+	date    string
+)
+
+// Version returns a string with version metadata: version number, git sha and build date.
+// It returns "development" if version variables are not set during the build.
+func Version() string {
+	if version == "" {
+		return "development"
+	}
+
+	return fmt.Sprintf("%s - revision %s built at %s", version, commit[:6], date)
+}
+
 // gitconfig provides methods for looking up configiration values inside .gitconfig file
 type gitconfig struct {
 	*config.Config