html_url,issue_url,id,node_id,user,user_label,created_at,updated_at,author_association,body,reactions,issue,issue_label,performed_via_github_app
https://github.com/simonw/datasette/issues/1640#issuecomment-1059636420,https://api.github.com/repos/simonw/datasette/issues/1640,1059636420,IC_kwDOBm6k_c4_KMTE,9599,simonw,2022-03-05T01:13:26Z,2022-03-05T01:13:26Z,OWNER,"Hah, this is certainly unexpected.

It looks like this is the code in question: https://github.com/simonw/datasette/blob/a6ff123de5464806441f6a6f95145c9a83b7f20b/datasette/utils/asgi.py#L259-L266

You're right: it assumes that the file it is serving won't change length while it is serving it.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1148725876,"Support static assets where file length may change, e.g. logs",
https://github.com/simonw/datasette/issues/1640#issuecomment-1059638778,https://api.github.com/repos/simonw/datasette/issues/1640,1059638778,IC_kwDOBm6k_c4_KM36,9599,simonw,2022-03-05T01:19:00Z,2022-03-05T01:19:00Z,OWNER,"The reason I implemented it like this was to support things like the `curl` progress bar if users decide to serve up large files using the `--static` mechanism.

Here's the code that hooks it up to the URL resolver:

https://github.com/simonw/datasette/blob/458f03ad3a454d271f47a643f4530bd8b60ddb76/datasette/app.py#L1001-L1005

Which uses this function:

https://github.com/simonw/datasette/blob/a6ff123de5464806441f6a6f95145c9a83b7f20b/datasette/utils/asgi.py#L285-L310

One option here would be to support a workaround that looks something like this:

    http://localhost:8001/my-static/log.txt?_unknown_size=1`

The URL routing code could then look out for that `?_unknown_size=1` option and, if it's present, omit the `content-length` header entirely.

It's a bit of a cludge, but it would be pretty straight-forward to implement.

Would that work for you @broccolihighkicks?","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1148725876,"Support static assets where file length may change, e.g. logs",