More reliable canary bump

[kirill-konshin]

As stated in #1583 (comment) Lerna cannot properly bump canary releases in shallow Git repo.

Currently we have to use something incremental and reliable, Travis's job number or Gitlab's pipeline IID works just fine:

$ lerna publish --canary --preid=$TRAVIS_BRANCH.$TRAVIS_JOB_NUMBER --dist-tag=$TRAVIS_BRANCH --yes --no-push --no-git-tag-version

Unfortunately this results in versions like 19.4.1-feature-npm.4247.1 where .1 is that improperly working increment, which is always the same.

In order to fix this we can count previous releases in NPM under same dist-tag instead. Either inside Lerna or externally if you don't want to have this in your code. But then please provide a way to manually set the canary-increment during publish:

$ lerna publish --canary --preid=$TRAVIS_BRANCH --canary-increment=$TRAVIS_JOB_NUMBER --dist-tag=$TRAVIS_BRANCH --yes --no-push --no-git-tag-version

So as a summary, one of the options would work:

1. Lerna counts increments based on something more reliable than Git because it can be shallow
2. Lerna supports new variable to set increment explicitly

[evocateur]

git fetch --unshallow doesn't work?

[kirill-konshin]

I guess it will work, but it can ruin performance on a large size repo...

[evocateur]

Well, there's all sorts of fancy new flags in git fetch that could be used to mitigate that (assuming your CI host has a reasonably up-to-date git).

[kirill-konshin]

Why not just get latest tags/versions from NPM? It's the source of truth after all, isn't it? Or like I said in the original post — let the CI job to define the increment.

[github-actions]

Hi Folks 👋

You may or may not know that lerna is now under the stewardship of Nrwl (announcement here #3121), a company with a long history of not just producing valuable open-source software (OSS), but also backing others (at the time of writing, Nrwl has donated over $50,000 to OSS it hasn't created, see https://opencollective.com/nx for full details).

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In order to take this awesome project forward from its current state, it is important that we focus our finite resources on what is most important to lerna users in 2022.

With that in mind, we have identified this issue as being potentially stale due to its age and/or lack of recent activity.

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[github-actions]

Hi Folks 👋

You will have seen in our message above that we at Nrwl are working really hard to bring the lerna repo up to date with what matters most to its community in June 2022.

As previously stated in that message, because we have not heard from the original author of this issue within the last 14 days, we are now automatically closing it.

If any users, including the original author, are still impacted by this issue then we still want to hear from you!

All we ask is that you first update to the latest lerna (5.1.4 at the time of writing) to make sure it is still reproducible, and then fill out one of our new issue templates, providing all the requested details which apply to your situation:

https://github.com/lerna/lerna/issues/new/choose

Many thanks again! 🙏

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P.S. Over and above getting to grips with the repo, we have also been hard at work launching a new website, resolving all vulnerabilities, merging exciting new features and reigniting community PR contributions! 🚀

You can read our recent blog post to learn more about what we've been up to:
https://blog.nrwl.io/lerna-5-1-new-website-new-guides-new-lerna-example-repo-distributed-caching-support-and-speed-64d66410bec7