Cannot represent matching all files against multiple patterns

The use-case seems like it would be quite useful and natural: I would like a label to apply if ALL of the changed files are of a few certain types. For example:

documentation:
  - all: ["**/*.md", "**/*.puml"]

This of course doesn't work as all files need to match both patterns which never happens. Another attempt:

documentation:
  - all: ["**/*.md"]
  - all: ["**/*.puml"]

This almost works but does not work if the change touches both md files and puml files.

AFAICT there is no way to represent what I'm trying to do, but it feels like a very natural and useful case to support.

Why this does not work?

documentation:
  - "**/*.md"
  - "**/*.puml"

My reading of the documentation is that that example is the same as:

documentation:
  - any: ["**/*.md"]
  - any: ["**/*.puml"]

This would add the documentation label to a PR consisting of 99 .c files and one .md file, which is not the intention.

Add the allofany matching type (actions#423)

Just so it's explicitly clear, I have PR #487 outstanding that adds this feature.

See comment #487 (comment) which illustrates my idea of how this filter would work.

Hello everyone!
We've released a new beta version of the action with this feature on board. We would appreciate it if you could use the new version and share with us your feedback.

That looks like it satisfies this feature nicely! What's not clear from the documentation is what happens when multiple of AnyGlobToAllFiles, AnyGlobToAnyFile appear in a changed-files section. To all of them need to match for the label to be added, or any one of them? Or does the higher-level any: or all: answer that? It's not clear.

@dfandrich

Hello @dfandrich!
You are right, top-level keys (any and all) bind options (changed-files, base-branch, etc.), glob combinations (AnyGlobToAnyFile, AllGlobsToAnyFile, etc.) and regexps. I've updated the release notes.
Thank you!

Hello everyone!
We have released the new major version of the action that includes the implementation of this feature. Please read the action documentation to find out how to adapt your configuration files and workflows for use with the new action version.

Thank you all for your patience!
Do not hesitate to contact us if you have any questions!

how would you accomplish the situation laid out in this issue with the new syntax? our goal is to avoid false positives when a bunch of files are changed in the PR that aren't actually relevant to the applied label

heres a table that I think describes where each of the existing rules fails in this use case

pattern	changed files	result	does not solve issue, because
`any-glob-to-all-files: ['*/.md', */.puml]`	[test.md, test.puml]	no match	all files dont match any of the globs
`any-glob-to-any-files: ['*/.md', */.puml]`	[test.md, test.puml, test.test]	match	test.test doesn't match any regex, but label is still applied
`all-glob-to-any-files: ['*/.md', */.puml]`	[test.md]	no match	no .puml files are changed
`all-glob-to-all-files: ['*/.md', */.puml]`	[test.md]	no match	no .puml files are changed

@jnew1

@jnew1 this is what I would expect for those four patterns you show:

match (both files find a pattern that matches)
match (test.md matches *.md, and that's all you need)
no match (there's no file matching *.puml)
no match (test.md doesn't match *.puml)

You wouldn't ever see a configuration like the last two, since they are impossible to ever be true. A more realistic case might be something like all-glob-to-all-files: ['README*', '*.txt'] where it's possible for a single file to match both patterns.

unfortunently, the first case doesn't match

I think this test describes exactly the problem within this issue

describe('check issue #423', () => {
  const changedFiles = ['test.md', 'test.puml'];

  describe('when at least one pattern matches all files', () => {
    const globPatterns = ['**/*.md', '**/*.puml'];

    it('returns true', () => {
      const result = checkIfAnyGlobMatchesAllFiles(
        changedFiles,
        globPatterns,
        false
      );
      expect(result).toBe(true);
    });
  });
});

for this to work, any-glob-to-all-files would need to be something more like

run glob1 on changedFiles
remove any files from changedFiles that match glob1
run glob2 on the remaining changedFiles
... repeat ...
return true if changedFiles is empty

The globPatterns in that test match only paths containing at least one slash. foo.md won't match **/*.md but bar/foo.md will. To also match files in the root of the repo, you need to specify const globPatterns = ['*.md', '**/*.md', '*.puml', '**/*.puml'];

same issue with this test

describe('check issue #423', () => {
  const changedFiles = ['test.md', 'test.puml'];

  describe('when at least one pattern matches all files', () => {
    const globPatterns = ['*.md', '*.puml'];

    it('returns true', () => {
      const result = checkIfAnyGlobMatchesAllFiles(
        changedFiles,
        globPatterns,
        false
      );
      expect(result).toBe(true);
    });
  });
});

That test is similar to to the existing checkIfAnyGlobMatchesAllFiles test but with two different file extensions in changedFiles. I would expect both tests to pass, unless this matcher is supposed to be "ANY *one* glob must match against ALL changed files" which doesn't sounds very useful (or intuitive).

ANY one glob must match

yes that is exactly what it is

doesn't sounds very useful (or intuitive).

right

I believe I laid out a solution here: #423 (comment)

I can look at making a PR, but this would be an API breaking change, is it work making a new rule for it?

this new setup would break this test, which could be a legitimate use case:
https://github.com/actions/labeler/blob/8558fd74291d67161a8a78ce36a881fa63b766a9/__tests__/changedFiles.test.ts#L228C3-L239C6

so perhaps we just need a new rule

Looks like you're right. I'd be up for renaming AnyGlobMatchesAllFiles to OneGlobMatchesAllFiles since that's what it does. Unless these semantics were used by mistake. I suspect the latter, because the current misnamed OneGlobMatchesAllFiles semantics could be implemented without it, in terms of AllGlobsMatchAllFiles, like:

- any
  - changed-files
    - all-globs-to-all-files: ['glob1']
    - all-globs-to-all-files: ['glob2']
    - all-globs-to-all-files: ['glob3']

whereas the reverse is not true. There is no way to implement AnyGlobMatchesAllFiles (the real one) in terms of the others.

FWIW, #731 was opened about the issue we've been discussing in the latter comments.

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Cannot represent matching all files against multiple patterns #423

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Cannot represent matching all files against multiple patterns #423

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ilya-lavrenov commented on Jan 5, 2023

dfandrich commented on Jan 20, 2023

dfandrich commented on Jul 4, 2023

silverwind commented on Sep 11, 2023

MaksimZhukov commented on Sep 20, 2023

dfandrich commented on Sep 20, 2023

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jnewb1 commented on Dec 6, 2023

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jnewb1 commented on Dec 8, 2023

dfandrich commented on Dec 8, 2023

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dfandrich commented on Dec 29, 2023

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