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Latest version placeholder #1816
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Yeah, it is a bit hard to find which tag is the most equivalent to
latest(or generally, getting the "most specific" tag from any less specific tag). While we usually order our tags from most specific to least, not all images follow this unspoken convention. So, we could guess by taking the first tag in theTags:list, but should the docs really be changed for every minor version bump?Then there is the issue of
latestbeing a "Shared Tag" and so can appear more than once in thelibraryfile (like python on line 38, line 54, and line 61) and so evenbashbrew listdoesn't give us a canonical answer:$ bashbrew list python:latest python:3.9.0-buster python:3.9-buster python:3-buster python:buster python:3.9.0 python:3.9 python:3 python:latest python:3.9.0-windowsservercore-ltsc2016 python:3.9-windowsservercore-ltsc2016 python:3-windowsservercore-ltsc2016 python:windowsservercore-ltsc2016 python:3.9.0-windowsservercore python:3.9-windowsservercore python:3-windowsservercore python:windowsservercore python:3.9.0 python:3.9 python:3 python:latest python:3.9.0-windowsservercore-1809 python:3.9-windowsservercore-1809 python:3-windowsservercore-1809 python:windowsservercore-1809 python:3.9.0-windowsservercore python:3.9-windowsservercore python:3-windowsservercore python:windowsservercore python:3.9.0 python:3.9 python:3 python:latest $ bashbrew list --uniq python:latest python:3.9.0-buster python:3.9.0-windowsservercore-ltsc2016 python:3.9.0-windowsservercore-1809
I think we end up just putting a major version and then eventually updating the doc when that version is no longer supported.
Reacted by Dave Henderson
I originally asked about this here #1802 (comment) but I didn't get an answer, so I figured I'd open an issue instead to discuss it.
I realize that this is probably non-trivial because the
latesttag doesn't directly map to a specific version because of how tagging works. Maybe there's a way to hook into the docs generator to provide additional placeholders? We could write a simple script that extracts the relevant info based on some heuristic.