feat: add version command to display application version

.goreleaser.yaml

@@ -5,13 +5,15 @@ before:
     - go mod tidy
 
 builds:
-- env:
-  - CGO_ENABLED=0
-  goos:
-  - linux
-  - windows
-  goarch:
-  - amd64
+  - ldflags:
+      - -X s1d3sw1ped/SteamCache2/version.Version={{.Version}}
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+    goarch:
+      - amd64
 
 archives:
   - format: tar.gz

cmd/version.go

@@ -0,0 +1,23 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"s1d3sw1ped/SteamCache2/version"
+
+	"github.com/spf13/cobra"
+)
+
+// versionCmd represents the version command
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "prints the version of SteamCache2",
+	Long:  `Prints the version of SteamCache2. This command is useful for checking the version of the application.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Fprintln(os.Stderr, "SteamCache2", version.Version)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}

version/version.go

@@ -0,0 +1,3 @@
+package version
+
+var Version string