Re: question about the recursive algorithm

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rsync doesn't really give much control over the order it does things in.
If you want to control when the deletions happen there is only
- --delete-before or --delete-during but both are slower than the default
- --delete.

On Thu, 16 Jan 2025, BP via rsync wrote:

> Date: Thu, 16 Jan 2025 13:53:04 +0000
> From: BP via rsync <[email protected]>
> To: [email protected]
> Subject: question about the recursive algorithm
> 
> Hello,
>
> I always run rsync as follows: "sudo rsync -PaSHAXvi --del DIR1/
> DIR2". I would think that whenever I see in the output of this rsync
> command a few lines of the form A/B/... and then further down in the
> output again a few lines of the form A/B/... (dots are dirs or files),
> then every line between such two lines is also of this form.
>
> I then discovered that this is incorrect (incidentally, the order of the
> deleted files here below is not alphabetical?!):
>
>> f+++++++++ A/B/folder1/file1.mkv
>> f+++++++++ A/B/folder1/file2.mkv
> *deleting A/C/file3.tex
> *deleting A/C/file4.pdf
> *deleting A/C/file5.txt
> cd+++++++++ A/B/folder2/
>> f+++++++++ A/B/folder2/file6.html
>
> Is this expected? Reading the manual (section about inductive recursion)
> I would think that the only case where rsync jumps unfinished dirs would
> be the creation of empty dirs.
>
> But here's the real question: is my hypothesis correct when we restrict
> to just lines starting by >, and also to just lines which start by
> *deleting? In other words, does the sender never jump folder and back,
> and same the receiver (but combined they might, as shown above)?
>
> I would grately appreciate insights. Please, let me know!
>
> Thanks,
> BP
>
>
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