feat(set): initial setcmd

cmd/set.go

@@ -0,0 +1,59 @@
+/*
+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 (
+	"io"
+
+	"github.com/dgraph-io/badger/v4"
+	"github.com/spf13/cobra"
+)
+
+// setCmd represents the set command
+var setCmd = &cobra.Command{
+	Use:   "set KEY[@DB] [VALUE]",
+	Short: "Set a value for a key by passing VALUE or from Stdin. Optionally specify a db.",
+	Args:  cobra.RangeArgs(1, 2),
+	RunE:  set,
+}
+
+func set(cmd *cobra.Command, args []string) error {
+	store := &Store{}
+	if len(args) == 2 {
+		return store.Transaction(args[0], false, func(tx *badger.Txn, k []byte) error {
+			return tx.Set(k, []byte(args[1]))
+		})
+	}
+
+	bts, err := io.ReadAll(cmd.InOrStdin())
+	if err != nil {
+		return err
+	}
+
+	return store.Transaction(args[0], false, func(tx *badger.Txn, k []byte) error {
+		return tx.Set(k, bts)
+	})
+}
+
+func init() {
+	rootCmd.AddCommand(setCmd)
+}