prepare for release

- making use of `goreleaser`, we can make building for all platforms
easy peasy, leveraging go's ability to create reproducible builds given
a set of flags that we can have under in a declarative fashion under
`goreleaser.yaml`

Signed-off-by: Ciro S. Costa <utxobr@protonmail.com>

.gitignore

@@ -2,3 +2,4 @@
 *.bin
 *.mmdb
 *.csv
+dist/

.goreleaser.yml

@@ -0,0 +1,38 @@
+builds:
+  - binary: monero
+    main: ./cmd/monero
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+    tags:
+      - osusergo
+      - netgo
+      - static_build
+    flags:
+      - -trimpath
+    ldflags:
+      - '-s -w -X main.version={{.Version}} -X main.commit={{.Commit}}'
+    mod_timestamp: '{{ .CommitTimestamp }}'
+    goarch:
+      - amd64
+      - arm
+      - arm64
+    goarm:
+      - 6
+      - 7
+
+archives:
+  - replacements:
+      darwin: Darwin
+      linux: Linux
+      windows: Windows
+      amd64: x86_64
+
+checksum:
+  name_template: 'checksums.txt'
+
+snapshot:
+  name_template: "{{ .Tag }}-next"

cmd/monero/main.go

@@ -11,15 +11,29 @@ import (
 	"github.com/cirocosta/go-monero/cmd/monero/commands/wallet"
 )
 
+var (
+	version = "dev"
+	commit  = "dev"
+)
+
 var rootCmd = &cobra.Command{
 	Use:   "monero",
 	Short: "Daemon, Wallet, and p2p command line monero CLI",
 }
 
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "print the version of this cli",
+	Run: func(_ *cobra.Command, _ []string) {
+		fmt.Println(version, commit)
+	},
+}
+
 func init() {
 	rootCmd.AddCommand(daemon.RootCommand)
 	rootCmd.AddCommand(wallet.RootCommand)
 	rootCmd.AddCommand(p2p.RootCommand)
+	rootCmd.AddCommand(versionCmd)
 }
 
 func main() {