implement `btrfs-rec inspect spew-items`

1 files changed, 55 insertions, 0 deletions

diff --git a/cmd/btrfs-rec/inspect_spewitems.go b/cmd/btrfs-rec/inspect_spewitems.go
new file mode 100644
index 0000000..f2a06ca
--- /dev/null
+++ b/cmd/btrfs-rec/inspect_spewitems.go
@@ -0,0 +1,55 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/datawire/dlib/dlog"
+	"github.com/datawire/ocibuild/pkg/cliutil"
+	"github.com/davecgh/go-spew/spew"
+	"github.com/spf13/cobra"
+
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs"
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfsprogs/btrfsutil"
+)
+
+func init() {
+	inspectors = append(inspectors, subcommand{
+		Command: cobra.Command{
+			Use:   "spew-items",
+			Short: "Spew all items as parsed",
+			Args:  cliutil.WrapPositionalArgs(cobra.NoArgs),
+		},
+		RunE: func(fs *btrfs.FS, cmd *cobra.Command, _ []string) error {
+			ctx := cmd.Context()
+
+			spew := spew.NewDefaultConfig()
+			spew.DisablePointerAddresses = true
+
+			btrfsutil.WalkAllTrees(ctx, fs, btrfsutil.WalkAllTreesHandler{
+				Err: func(err *btrfsutil.WalkError) {
+					dlog.Error(ctx, err)
+				},
+				TreeWalkHandler: btrfs.TreeWalkHandler{
+					Item: func(path btrfs.TreePath, item btrfs.Item) error {
+						fmt.Printf("%s = ", path)
+						spew.Dump(item)
+						os.Stdout.WriteString("\n")
+						return nil
+					},
+					BadItem: func(path btrfs.TreePath, item btrfs.Item) error {
+						fmt.Printf("%s = ", path)
+						spew.Dump(item)
+						os.Stdout.WriteString("\n")
+						return nil
+					},
+				},
+			})
+			return nil
+		},
+	})
+}