Move all of the small-ish tools to be part of btrfs-rec

1 files changed, 0 insertions, 200 deletions

diff --git a/cmd/btrfs-ls-files/main.go b/cmd/btrfs-ls-files/main.go
deleted file mode 100644
index 0f27def..0000000
--- a/cmd/btrfs-ls-files/main.go
+++ /dev/null
@@ -1,200 +0,0 @@
-// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
-//
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package main
-
-import (
-	"fmt"
-	"os"
-	"reflect"
-	"strings"
-
-	"github.com/datawire/dlib/derror"
-
-	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs"
-	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsitem"
-	"git.lukeshu.com/btrfs-progs-ng/lib/btrfsprogs/btrfsutil"
-	"git.lukeshu.com/btrfs-progs-ng/lib/util"
-)
-
-func main() {
-	if err := Main(os.Args[1:]...); err != nil {
-		fmt.Fprintf(os.Stderr, "%v: error: %v\n", os.Args[0], err)
-		os.Exit(1)
-	}
-}
-
-func Main(imgfilenames ...string) (err error) {
-	maybeSetErr := func(_err error) {
-		if _err != nil && err == nil {
-			err = _err
-		}
-	}
-
-	fs, err := btrfsutil.Open(os.O_RDONLY, imgfilenames...)
-	if err != nil {
-		return err
-	}
-	defer func() {
-		maybeSetErr(fs.Close())
-	}()
-
-	printSubvol(fs, "", "", "/", btrfs.Key{
-		ObjectID: btrfs.FS_TREE_OBJECTID,
-		ItemType: btrfsitem.ROOT_ITEM_KEY,
-		Offset:   0,
-	})
-
-	return nil
-}
-
-const (
-	tS = "    "
-	tl = "│   "
-	tT = "├── "
-	tL = "└── "
-)
-
-func printSubvol(fs *btrfs.FS, prefix0, prefix1, name string, key btrfs.Key) {
-	root, err := fs.TreeLookup(btrfs.ROOT_TREE_OBJECTID, key)
-	if err != nil {
-		fmt.Printf("%s%q error: could not look up root %v: %v\n", prefix0, name, key, err)
-		return
-	}
-	rootBody := root.Body.(btrfsitem.Root)
-
-	printDir(fs, root.Head.Key.ObjectID, prefix0, prefix1, name, rootBody.RootDirID)
-}
-
-func printDir(fs *btrfs.FS, fsTree btrfs.ObjID, prefix0, prefix1, dirName string, dirInode btrfs.ObjID) {
-	var errs derror.MultiError
-	items, err := fs.TreeSearchAll(fsTree, func(key btrfs.Key) int {
-		return util.CmpUint(dirInode, key.ObjectID)
-	})
-	if err != nil {
-		errs = append(errs, fmt.Errorf("read dir: %w", err))
-	}
-	var dirInodeDat btrfsitem.Inode
-	var dirInodeDatOK bool
-	membersByIndex := make(map[uint64]btrfsitem.DirEntry)
-	membersByNameHash := make(map[uint64]btrfsitem.DirEntry)
-	for _, item := range items {
-		switch item.Head.Key.ItemType {
-		case btrfsitem.INODE_ITEM_KEY:
-			if dirInodeDatOK {
-				if !reflect.DeepEqual(dirInodeDat, item.Body.(btrfsitem.Inode)) {
-					errs = append(errs, fmt.Errorf("read dir: multiple inodes"))
-				}
-				continue
-			}
-			dirInodeDat = item.Body.(btrfsitem.Inode)
-			dirInodeDatOK = true
-		case btrfsitem.INODE_REF_KEY:
-			// TODO
-		case btrfsitem.DIR_ITEM_KEY:
-			entry := item.Body.(btrfsitem.DirEntry)
-			namehash := btrfsitem.NameHash(entry.Name)
-			if namehash != item.Head.Key.Offset {
-				errs = append(errs, fmt.Errorf("read dir: direntry crc32c mismatch: key=%#x crc32c(%q)=%#x",
-					item.Head.Key.Offset, entry.Name, namehash))
-				continue
-			}
-			if other, exists := membersByNameHash[namehash]; exists {
-				if !reflect.DeepEqual(entry, other) {
-					if string(entry.Name) == string(other.Name) {
-						errs = append(errs, fmt.Errorf("read dir: multiple instances of direntry crc32c(%q)=%#x",
-							entry.Name, namehash))
-					} else {
-						errs = append(errs, fmt.Errorf("read dir: multiple instances of direntry crc32c(%q|%q)=%#x",
-							other.Name, entry.Name, namehash))
-					}
-				}
-				continue
-			}
-			membersByNameHash[btrfsitem.NameHash(entry.Name)] = entry
-		case btrfsitem.DIR_INDEX_KEY:
-			index := item.Head.Key.Offset
-			entry := item.Body.(btrfsitem.DirEntry)
-			if other, exists := membersByIndex[index]; exists {
-				if !reflect.DeepEqual(entry, other) {
-					errs = append(errs, fmt.Errorf("read dir: multiple instances of direntry index %v", index))
-				}
-				continue
-			}
-			membersByIndex[index] = entry
-		//case btrfsitem.XATTR_ITEM_KEY:
-		default:
-			errs = append(errs, fmt.Errorf("TODO: handle item type %v", item.Head.Key.ItemType))
-		}
-	}
-	fmt.Printf("%s%q\t[ino=%d",
-		prefix0, dirName, dirInode)
-	if dirInodeDatOK {
-		fmt.Printf("\tuid=%d\tgid=%d\tsize=%d]\n",
-			dirInodeDat.UID, dirInodeDat.GID, dirInodeDat.Size)
-	} else {
-		err := fmt.Errorf("read dir: no inode data")
-		if len(items) == 0 && len(errs) == 1 {
-			err = errs[0]
-			errs = nil
-		}
-		fmt.Printf("]\terror: %v\n", err)
-	}
-	for i, index := range util.SortedMapKeys(membersByIndex) {
-		entry := membersByIndex[index]
-		namehash := btrfsitem.NameHash(entry.Name)
-		if other, ok := membersByNameHash[namehash]; ok {
-			if !reflect.DeepEqual(entry, other) {
-				errs = append(errs, fmt.Errorf("read dir: index=%d disagrees with crc32c(%q)=%#x",
-					index, entry.Name, namehash))
-			}
-			delete(membersByNameHash, namehash)
-		} else {
-			errs = append(errs, fmt.Errorf("read dir: no DIR_ITEM crc32c(%q)=%#x for DIR_INDEX index=%d",
-				entry.Name, namehash, index))
-		}
-		p0, p1 := tT, tl
-		if (i == len(membersByIndex)-1) && (len(membersByNameHash) == 0) && (len(errs) == 0) {
-			p0, p1 = tL, tS
-		}
-		printDirEntry(fs, fsTree, prefix1+p0, prefix1+p1, entry)
-	}
-	for _, namehash := range util.SortedMapKeys(membersByNameHash) {
-		entry := membersByNameHash[namehash]
-		errs = append(errs, fmt.Errorf("read dir: no DIR_INDEX for DIR_ITEM crc32c(%q)=%#x",
-			entry.Name, namehash))
-		printDirEntry(fs, fsTree, prefix1+tT, prefix1+tl, entry)
-	}
-	for i, err := range errs {
-		p0, p1 := tT, tl
-		if i == len(errs)-1 {
-			p0, p1 = tL, tS
-		}
-		fmt.Printf("%serror: %s\n", prefix1+p0, strings.ReplaceAll(err.Error(), "\n", prefix1+p1+"       \n"))
-	}
-}
-
-func printDirEntry(fs *btrfs.FS, fsTree btrfs.ObjID, prefix0, prefix1 string, entry btrfsitem.DirEntry) {
-	if len(entry.Data) != 0 {
-		fmt.Printf("%s%q: error: TODO: I don't know how to handle dirent.data\n",
-			prefix0, entry.Name)
-		return
-	}
-	switch entry.Type {
-	case btrfsitem.FT_DIR:
-		switch entry.Location.ItemType {
-		case btrfsitem.INODE_ITEM_KEY:
-			printDir(fs, fsTree, prefix0, prefix1, string(entry.Name), entry.Location.ObjectID)
-		case btrfsitem.ROOT_ITEM_KEY:
-			key := entry.Location
-			key.Offset = 0
-			printSubvol(fs, prefix0, prefix1, string(entry.Name), key)
-		default:
-			fmt.Printf("%s%q\t[location=%v type=%v] error: I'm not sure how to print a %v directory\n",
-				prefix0, entry.Name, entry.Location, entry.Type, entry.Location.ItemType)
-		}
-	default:
-		fmt.Printf("%s%q\t[location=%v type=%v]\n", prefix0, entry.Name, entry.Location, entry.Type)
-	}
-}