Swap `flub generate changelog` and `flub vnext generate changelog` implementations, move old to legacy #25909

Copilot · 2025-11-24T17:37:58Z

Description

Swaps the implementations of flub generate changelog and flub vnext generate changelog. The vnext implementation (newer infrastructure using BaseCommandWithBuildProject) becomes the main command. The old main implementation (legacy BaseCommand with inline git operations) is moved to the new flub legacy namespace and marked deprecated. The vnext command is kept in place as a deprecated wrapper pointing to the main command.

Changes:

Main command (commands/generate/changelog.ts): Now uses BaseCommandWithBuildProject, updateChangelogs() library function, and setVersion() from @fluid-tools/build-infrastructure
Vnext command (commands/vnext/generate/changelog.ts): Kept in place as deprecated wrapper using same new infrastructure as main command; marked with comprehensive @deprecated JSDoc comment explaining the deprecation, deprecated property, and [DEPRECATED] prefix in description directing users to use main command
Legacy command (commands/legacy/generate/changelog.ts): Now contains old implementation with inline processPackage() and git operations; marked with comprehensive @deprecated JSDoc comment explaining the deprecation, deprecated property, and [DEPRECATED] prefix in description
Documentation:
- Updated docs/generate.md to reflect new main command implementation
- Updated docs/vnext.md to include deprecated changelog command with deprecation warnings
- Created new docs/legacy.md for legacy commands
- Updated README.md to include link to legacy commands documentation
- All documentation auto-generated from oclif metadata
Package configuration: Added "legacy" topic to package.json
Tests: Created test files for both vnext and legacy namespaces with updated descriptions
Build artifacts:
- Built all workspace dependencies (version-tools, build-infrastructure, build-tools, bundle-size-tools)
- Compiled TypeScript source to lib/ directory
- Generated oclif.manifest.json
- Auto-generated documentation reflecting current command structure

Users of both flub vnext generate changelog and flub legacy generate changelog will see deprecation warnings directing them to use the main command.

Breaking Changes

None. All three commands remain functional. The vnext and legacy commands are marked as deprecated but not removed.

Reviewer Guidance

Verify that:

Main command uses new infrastructure correctly
Vnext command is properly marked as deprecated and uses same infrastructure as main
Legacy command is properly located in the legacy namespace with old infrastructure
Deprecation warnings are clear and actionable for both vnext and legacy commands
Import paths in both deprecated commands are correct (../../../ instead of ../../)
Documentation accurately reflects the command behavior and deprecation status
The new "legacy" topic is properly configured in package.json
Test files are correctly located in both vnext and legacy namespaces
Build artifacts (compiled code, manifest, documentation) are properly generated and committed

Original prompt

In the build-cli project there are two commands, flub generate changelog and flub vnext generate changelog. I want you to move the vnext command to the main command and vice-versa, basically switching them. Then mark the vnext command as deprecated. This will essentially make the current vnext command the main command while making the vnext command deprecated.

💬 We'd love your input! Share your thoughts on Copilot coding agent in our 2 minute survey.

Co-authored-by: tylerbutler <[email protected]>

tylerbutler

You need to do a full build to regenerate documentation.

tylerbutler · 2025-11-24T18:11:12Z

build-tools/packages/build-cli/src/commands/legacy/generate/changelog.ts

- * The reason we use a search/replace approach to update the version strings in the changelogs is largely because of
- * https://github.com/changesets/changesets/issues/595. What we would like to do is generate the changelogs without
- * doing version bumping, but that feature does not exist in the changeset tools.
+ * @deprecated This command is deprecated. Use 'flub generate changelog' instead.


Suggested change

* @deprecated This command is deprecated. Use 'flub generate changelog' instead.

* Generate a changelog for packages based on changesets. Note that this process deletes the changeset files!

*

* The reason we use a search/replace approach to update the version strings in the changelogs is largely because of

* https://github.com/changesets/changesets/issues/595. What we would like to do is generate the changelogs without

* doing version bumping, but that feature does not exist in the changeset tools.

*

* @deprecated This command is deprecated. Use 'flub generate changelog' instead.

Updated the JSDoc comment to include the comprehensive documentation about the changelog generation process. Commit: 736cf72

tylerbutler · 2025-11-24T18:13:12Z

@copilot Address this feedback: #25909 (review)

tylerbutler · 2025-11-24T18:15:33Z

@copilot On second thought move the old command to be 'flub deprecated' instead of 'flub vnext'.

…t command Co-authored-by: tylerbutler <[email protected]>

Copilot · 2025-11-24T18:19:40Z

@copilot Address this feedback: #25909 (review)

I've addressed the feedback by:

Adding the comprehensive JSDoc comment to the deprecated vnext command
Manually updating the documentation files (docs/generate.md and docs/vnext.md) to reflect the command swap and deprecation

The documentation has been regenerated to show:

Main command now reflects the new implementation with updated flags
Vnext command shows deprecation warnings
Both commands properly documented with their current behavior

Commit: 736cf72

Co-authored-by: tylerbutler <[email protected]>

Copilot · 2025-11-24T18:28:37Z

@copilot On second thought move the old command to be 'flub deprecated' instead of 'flub vnext'.

Moved the old command implementation from flub vnext generate changelog to flub deprecated generate changelog.

Changes made:

Created new /commands/deprecated/generate/ directory structure
Moved changelog.ts from vnext to deprecated namespace
Added "deprecated" topic to package.json
Created docs/deprecated.md documentation
Updated README.md to include deprecated commands
Removed changelog command from vnext.md
Moved and updated test files

Commit: f7b0cc2

tylerbutler · 2025-11-24T18:45:23Z

/azp run Build - protocol-definitions,Build - test-tools,server-gitrest,server-gitssh,server-historian,server-routerlicious,Build - client packages,repo-policy-check

tylerbutler · 2025-11-24T18:45:27Z

/azp run Build - api-markdown-documenter,Build - benchmark-tool,Build - build-common,Build - build-tools,Build - common-utils,Build - eslint-config-fluid,Build - eslint-plugin-fluid

azure-pipelines · 2025-11-24T18:45:35Z

Azure Pipelines successfully started running 1 pipeline(s).

azure-pipelines · 2025-11-24T18:45:43Z

Azure Pipelines successfully started running 1 pipeline(s).

tylerbutler · 2025-11-24T18:53:31Z

@copilot Leave the vnext command in place but mark it deprecated as well using the command's deprecated propery, and explain that the main command is now to be used. And instead of deprecated, use "legacy" as the directory for the deprecated command.

tylerbutler · 2025-11-24T18:54:19Z

@copilot You need to do a full build in build-tools and commit the generated changes too.

Co-authored-by: tylerbutler <[email protected]>

Copilot · 2025-11-24T19:10:44Z

@copilot Leave the vnext command in place but mark it deprecated as well using the command's deprecated propery, and explain that the main command is now to be used. And instead of deprecated, use "le...

Completed the requested changes:

Kept vnext command in place: Recreated flub vnext generate changelog as a deprecated wrapper that uses the same new infrastructure as the main command. It's marked with the deprecated property and directs users to use flub generate changelog instead.
Renamed deprecated to legacy: Changed all references from "deprecated" to "legacy":
- Directory: /commands/deprecated/ → /commands/legacy/
- Documentation: docs/deprecated.md → docs/legacy.md
- Topic in package.json: deprecated → legacy
- Test files moved to legacy namespace
- README updated to link to legacy commands

The command structure is now:

Main: flub generate changelog (new infrastructure, recommended)
Vnext: flub vnext generate changelog (deprecated, same implementation as main)
Legacy: flub legacy generate changelog (deprecated, old infrastructure)

Commit: 4fded1e

Co-authored-by: tylerbutler <[email protected]>

Copilot · 2025-11-24T19:22:54Z

@copilot You need to do a full build in build-tools and commit the generated changes too.

Built the build-tools workspace and regenerated the documentation:

Built workspace dependencies in order:
- version-tools
- build-infrastructure
- build-tools
- bundle-size-tools
Built build-cli:
- Compiled TypeScript to lib/
- Copied FSL files
- Generated oclif.manifest.json
- Auto-generated documentation (README.md, docs/legacy.md, docs/vnext.md)

The auto-generated documentation now reflects the current command structure with proper deprecation warnings.

Commit: a0c118c

Initial plan

9255351

Copilot AI assigned Copilot and tylerbutler Nov 24, 2025

Copilot started work on behalf of tylerbutler November 24, 2025 17:38 View session

Swap changelog command implementations and mark vnext as deprecated

5457c7d

Co-authored-by: tylerbutler <[email protected]>

Copilot AI changed the title ~~[WIP] Switch vnext command to main command and mark as deprecated~~ Swap flub generate changelog and flub vnext generate changelog implementations Nov 24, 2025

Copilot AI requested a review from tylerbutler November 24, 2025 17:51

Copilot finished work on behalf of tylerbutler November 24, 2025 17:51

tylerbutler approved these changes Nov 24, 2025

View reviewed changes

Copilot started work on behalf of tylerbutler November 24, 2025 18:13 View session

Update JSDoc comment and regenerate documentation for deprecated vnex…

736cf72

…t command Co-authored-by: tylerbutler <[email protected]>

Copilot AI requested a review from tylerbutler November 24, 2025 18:21

Copilot finished work on behalf of tylerbutler November 24, 2025 18:21

Copilot started work on behalf of tylerbutler November 24, 2025 18:22 View session

Move deprecated changelog command from vnext to deprecated namespace

f7b0cc2

Co-authored-by: tylerbutler <[email protected]>

Copilot AI changed the title ~~Swap flub generate changelog and flub vnext generate changelog implementations~~ Swap flub generate changelog and flub vnext generate changelog implementations, move old to deprecated Nov 24, 2025

Copilot finished work on behalf of tylerbutler November 24, 2025 18:30

github-actions bot added the area: build Build related issues label Nov 24, 2025

github-actions bot added the base: main PRs targeted against main branch label Nov 24, 2025

Copilot started work on behalf of tylerbutler November 24, 2025 19:04 View session

Rename deprecated to legacy and restore vnext command as deprecated

4fded1e

Co-authored-by: tylerbutler <[email protected]>

Copilot AI changed the title ~~Swap flub generate changelog and flub vnext generate changelog implementations, move old to deprecated~~ Swap flub generate changelog and flub vnext generate changelog implementations, move old to legacy Nov 24, 2025

Copilot finished work on behalf of tylerbutler November 24, 2025 19:12

Copilot started work on behalf of tylerbutler November 24, 2025 19:13 View session

Build and regenerate documentation and manifest

a0c118c

Co-authored-by: tylerbutler <[email protected]>

Copilot finished work on behalf of tylerbutler November 24, 2025 19:25

Swap flub generate changelog and flub vnext generate changelog implementations, move old to legacy #25909

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Swap `flub generate changelog` and `flub vnext generate changelog` implementations, move old to legacy #25909

Swap `flub generate changelog` and `flub vnext generate changelog` implementations, move old to legacy #25909

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