feat(init): initial commit

cmd/get.go

@@ -0,0 +1,56 @@
+/*
+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 (
+	"github.com/dgraph-io/badger/v4"
+	"github.com/spf13/cobra"
+)
+
+// getCmd represents the get command
+var getCmd = &cobra.Command{
+	Use:   "get KEY[@DB]",
+	Short: "Get a value for a key. Optionally specify a db.",
+	Args:  cobra.ExactArgs(1),
+	RunE:  get,
+}
+
+func get(cmd *cobra.Command, args []string) error {
+	store := &Store{}
+	var v []byte
+	if err := store.Transaction(args[0], true, func(tx *badger.Txn, k []byte) error {
+		item, err := tx.Get(k)
+		if err != nil {
+			return err
+		}
+		v, err = item.ValueCopy(nil)
+		return err
+	}); err != nil {
+		return err
+	}
+	store.Print("%s", v)
+	return nil
+}
+
+func init() {
+	rootCmd.AddCommand(getCmd)
+}