feat(cmd): adds version subcmd

cmd/version.go

@@ -0,0 +1,45 @@
+/*
+Copyright © 2025 Lewis Wynne <lew@ily.rs>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+)
+
+var (
+	version = "2025.51"
+)
+
+// versionCmd represents the version command
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Show the version of your CLI tool",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf("pda! %s\n", version)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}

testdata/help__ok.ct

@@ -25,6 +25,7 @@ Available Commands:
   mv          Move a key between (or within) databases.
   restore     Restore key/value pairs from an NDJSON dump
   set         Set a value for a key by passing VALUE or Stdin. Optionally specify a db.
+  version     Show the version of your CLI tool
 
 Flags:
   -h, --help   help for pda
@@ -55,6 +56,7 @@ Available Commands:
   mv          Move a key between (or within) databases.
   restore     Restore key/value pairs from an NDJSON dump
   set         Set a value for a key by passing VALUE or Stdin. Optionally specify a db.
+  version     Show the version of your CLI tool
 
 Flags:
   -h, --help   help for pda

testdata/root__ok.ct

@@ -24,6 +24,7 @@ Available Commands:
   mv          Move a key between (or within) databases.
   restore     Restore key/value pairs from an NDJSON dump
   set         Set a value for a key by passing VALUE or Stdin. Optionally specify a db.
+  version     Show the version of your CLI tool
 
 Flags:
   -h, --help   help for pda