What does the value of the size column for folders represent?

[june]

> On Feb 20, 2022, at 11:17, jean-christophe manciot <actionmystique at gmail.com> wrote:
> 
> Hi there,
> The value shown for files is as expected the ... exact size of the
> files in bytes.
> But I cannot make sense of that value for folders.
> 
> Here is an example at https://git.sdxlive.com/PPA/tree/Ubuntu/pool/stable/l
> - linux-signed folder has the size '5267'
> - its contents total size is ~ 302 MB (as shown by du on a cloned repository)
> - it contains 62 files
> 
> Is this an issue or is the cgit size showing something else for folders?

It is showing the size of the tree object[1] in git. This command
should show the same size:

$ git cat-file tree master^{tree}:Ubuntu/pool/stable/l/linux-signed | wc -c

[1]: https://git-scm.com/book/en/v2/Git-Internals-Git-Objects#_tree_objects