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diff: copy nodes before modifying them for bitrot detection

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This commit is contained in:
Michael Eischer 2024-01-06 20:07:46 +01:00
parent a7dc18e697
commit 3549635243
1 changed files with 5 additions and 3 deletions
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8
cmd/restic/cmd_diff.go
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@ -274,11 +274,13 @@ func (c *Comparer) diffTree(ctx context.Context, stats *DiffStatsContainer, pref
mod += "M" mod += "M"
stats.ChangedFiles++ stats.ChangedFiles++
node1NilContent := node1 node1NilContent := *node1
node2NilContent := node2 node2NilContent := *node2
node1NilContent.Content = nil node1NilContent.Content = nil
node2NilContent.Content = nil node2NilContent.Content = nil
if node1NilContent.Equals(*node2NilContent) { // the bitrot detection may not work if `backup --ignore-inode` or `--ignore-ctime` were used
if node1NilContent.Equals(node2NilContent) {
// probable bitrot detected
mod += "?" mod += "?"
} }
} else if c.opts.ShowMetadata && !node1.Equals(*node2) { } else if c.opts.ShowMetadata && !node1.Equals(*node2) {