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https://issues.apache.org/jira/browse/SOLR-17619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18031274#comment-18031274
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Jan Høydahl commented on SOLR-17619:
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I made progress and have a migration tool ready for generating the initial
changelog folder.
We should prepare the community by setting a cutover date a few days ahead. If
we delete solr/CHANGES.txt then every open PR will get a merge conflict, which
is probably a good thing since it forces them to instead enter that info into a
yaml... The merge can be two steps.
# First merge the logchange PR with the empty folder, docs and tooling, and
backport to each branch.
# Then for each branch (main, 10x 10_0, 9x, 9_10):
## Migrate that branch's CHANGES.txt to yaml using the py script
## Run logchange archive --version 9.9.0 to compact
## Delete solr/CHANGES.txt
## Commit and push
After that change we should remember to change the rest of the project
# Update PR template
# Consider adding a github workflow that fails if it finds a CHANGES.txt
change in the PR and warns if it does NOT find a yaml change file
# Update other locations mentioning CHANGES.txt
# ReleaseWizard
# addVersion.py script (no need to add section to CHANGES.txt)
# New changes2html script - python this time :) to generate same style
changes.html for each release
> Generate CHANGELOG.md (formerly CHANGES.txt) via logchange
> ----------------------------------------------------------
>
> Key: SOLR-17619
> URL: https://issues.apache.org/jira/browse/SOLR-17619
> Project: Solr
> Issue Type: Task
> Components: Build
> Reporter: David Smiley
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> The [logchange|https://github.com/logchange/logchange] tool helps projects
> maintain a log of changes. Each change (e.g. from a PR) will no longer edit a
> CHANGES.txt file; instead it will include a _new_ YAML file in an appropriate
> directory with others for the next Solr version. The release process will
> execute the tool, which will build a CHANGELOG.md file and will probably also
> do something with the YAML files (remove?).
> Decide the most convenient way for us to run the tool for change authors.
> Could a gradle task do it? See [this
> issue|https://github.com/logchange/logchange/issues/397] filed on the
> logchange project.
> Outcome of this issue:
> * a logchange tool configuration file -- logchange-config.yml
> * Solr 10's CHANGES.txt entries converted to YAML. (start this issue by
> doing only a few before over-investing)
> * a dev-docs page
> ** for contributors/everyone: basic info explaining how each new change
> should be recorded. Explain how to run the tool to generate the YAML file.
> What field(s) matter the most; what should be ignored. Link to further
> details.
> ** for release manager: how to produce CHANGELOG.md. Link to further
> details. Ultimately this will probably move to the release wizard in some
> fashion.
> TBD: CHANGES.txt < 10 and CHANGELOG.md > 10 ?
> TBD: changes.html generation in the release process will be removed or will
> change.
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