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archive/squashfs: fix reading images with no fragment or xattr table

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Bump go-diskfs to v1.9.4, which contains diskfs/go-diskfs#413 handling
squashfs images that have no fragment table or no xattr table. On v1.9.3
these images fail to list at all (ReadDir errors, or a nil xattr-table
dereference inside the library).

Adapt the backend to the v1.9.4 io/fs API: ReadDir now returns
io/fs.DirEntry (metadata via DirEntry.Info), and files are opened via
FileSystem.OpenFile instead of the removed FileStat.Open. The path
conversion added in c10eb47 (toIOFS) is reused.

Add a regression test with two committed fixtures built from trivial
placeholder content: an empty directory (no fragment table) and a small
tree whose superblock has the NO_XATTRS flag set while inodes still carry
an xattr index.

Fixes #9004
This commit is contained in:
maximilize
2026-07-22 11:30:21 +01:00
committed by Nick Craig-Wood
parent a1d906fd3d
commit 2f3895fa3c
6 changed files with 83 additions and 28 deletions
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go.mod
+1 -1
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@@ -35,7 +35,7 @@ require (
github.com/colinmarc/hdfs/v2 v2.4.0
github.com/coreos/go-semver v0.3.1
github.com/coreos/go-systemd/v22 v22.6.0 // v22.7.0 fails to compile on netbsd - don't upgrade until fixed upstream
github.com/diskfs/go-diskfs v1.9.3
github.com/diskfs/go-diskfs v1.9.4
github.com/dop251/scsu v0.0.0-20220106150536-84ac88021d00
github.com/dropbox/dropbox-sdk-go-unofficial/v6 v6.4.0
github.com/gabriel-vasile/mimetype v1.4.13