Re: What is an efficient way to get all blobs / trees that have notes attached?

>> 3) Recursively list all blobs / trees (git-ls-tree) and look whether an
>> object's hash is conatined in our table to get its notes.
>>
>> In particular 3) could be expensive for repos with a lot of files as we're
>> looking at all of them just to see whether they have notes attached.
>
> In (3), why would you need to search through _all_ blobs/trees? Would
> it not be cheaper to simply query the object type of each annotated
> object from (2)? I.e. something like:
>
> for notes_ref in $(git for-each-ref refs/notes | cut -c 49-)
> do
>     echo "--- $notes_ref ---"
>     for annotated_obj in $(git notes --ref=$notes_ref list | cut -c 41-)
>     do
>         type=$(git cat-file -t "$annotated_obj")
>         if test "$type" != "commit"
>         then
>             echo "$annotated_obj: $type"
>         fi
>     done
> done