feat: Implement basic remove command which modifies the index

cmd/stbak/cmd/remove.go

@@ -0,0 +1,47 @@
+package cmd
+
+import (
+	"context"
+	"log"
+
+	"github.com/pojntfx/stfs/pkg/persisters"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const (
+	nameFlag = "name"
+)
+
+var removeCmd = &cobra.Command{
+	Use:     "remove",
+	Aliases: []string{"r"},
+	Short:   "Remove a file from tape or tar file and index",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		if err := viper.BindPFlags(cmd.PersistentFlags()); err != nil {
+			return err
+		}
+
+		metadataPersister := persisters.NewMetadataPersister(viper.GetString(dbFlag))
+		if err := metadataPersister.Open(); err != nil {
+			return err
+		}
+
+		hdr, err := metadataPersister.DeleteHeader(context.Background(), viper.GetString(nameFlag))
+		if err != nil {
+			return err
+		}
+
+		log.Println(hdr.Record, hdr.Block)
+
+		return nil
+	},
+}
+
+func init() {
+	removeCmd.PersistentFlags().StringP(nameFlag, "n", "", "Name of the file to remove")
+
+	viper.AutomaticEnv()
+
+	rootCmd.AddCommand(removeCmd)
+}

cmd/stbak/cmd/root.go

@@ -33,10 +33,10 @@ func Execute() {
 	if err != nil {
 		panic(err)
 	}
-	workingDirDefault := filepath.Join(home, ".local", "share", "stcache", "var", "lib", "stcache")
+	dbPath := filepath.Join(home, ".local", "share", "stbak", "var", "lib", "stbak", "metadata.sqlite")
 
 	rootCmd.PersistentFlags().StringP(tapeFlag, "t", "/dev/nst0", "Tape or tar file to use")
-	rootCmd.PersistentFlags().StringP(dbFlag, "d", filepath.Join(workingDirDefault, "index.sqlite"), "Database to use")
+	rootCmd.PersistentFlags().StringP(dbFlag, "d", dbPath, "Database to use")
 
 	if err := viper.BindPFlags(rootCmd.PersistentFlags()); err != nil {
 		panic(err)