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allow extensions to trigger from packages in [deps] #54009

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merged 4 commits into from
Apr 10, 2024

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KristofferC
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@KristofferC KristofferC commented Apr 9, 2024

There is a use case where you have a weak dependency (for one of your extensions) that is misbehaving and you quickly want to try debug that issue. A workflow that feels reasonable for this could be:

pkg> dev WeakDependency

# do some fixes in this dependency

julia> using Package, WeakDependency
# this loads the extension of Package triggered by loading WeakDependency

# check that things work ok now

This doesn't work right now for two reasons:

  1. Doing the dev WeakDependency will add the dependency to [deps] but not remove it from [weakdeps] which means you all of a sudden are in the scenario described in https://pkgdocs.julialang.org/v1/creating-packages/#Transition-from-normal-dependency-to-extension which is not what is desired.
  2. The extension will not actually load because you can right now only trigger extensions from weak deps getting loaded, not from deps getting loaded.

Point 1. is fixed by JuliaLang/Pkg.jl#3865
Point 2. is fixed by this PR.

@KristofferC KristofferC added packages Package management and loading package extensions labels Apr 9, 2024
@KristofferC KristofferC requested a review from Keno April 9, 2024 14:55
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The cycle detector for parallel precompile (once improved, see #53972) might be a bit upset with this workflow since it will assume that Package actually load WeakDependency but at least it would make this type of workflow possible.

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Keno commented Apr 9, 2024

I think this is a good compromise. Not what you want for the long term of course, but it's frustrating not to be able to dev a particular version of a weakdep to fix a bug in it.

@KristofferC KristofferC merged commit f46cb4c into master Apr 10, 2024
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@KristofferC KristofferC deleted the kc/triggers_deps branch April 10, 2024 18:08
@maleadt maleadt added the backport 1.11 Change should be backported to release-1.11 label Sep 26, 2024
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maleadt commented Sep 26, 2024

Adding backport label as suggested in JuliaLang/Pkg.jl#4028 (comment).

@KristofferC KristofferC mentioned this pull request Sep 30, 2024
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KristofferC added a commit that referenced this pull request Oct 1, 2024
Backported PRs:
- [x] #55849 <!-- Mmap: fix grow! for non file IOs -->
- [x] #55863 <!-- Update TaskLocalRNG docstring according to #49110 -->
- [x] #54433 <!-- Root globals in toplevel exprs -->
- [x] #55828 <!-- Fix some corner cases of `isapprox` with unsigned
integers -->
- [x] #55890 <!-- Profile: fix order of fields in heapsnapshot & improve
formatting -->
- [x] #55884 <!-- inference: add missing `TypeVar` handling for
`instanceof_tfunc` -->
- [x] #55881 <!-- Install terminfo data under /usr/share/julia -->
- [x] #55909 <!-- do not intentionally suppress errors in precompile
script from being reported or failing the result -->
- [x] #55355 <!-- relocation: account for trailing path separator in
depot paths -->
- [x] #55917 <!-- fix rawbigints OOB issues -->
- [x] #55892 <!-- TOML: Avoid type-pirating `Base.TOML.Parser` -->
- [x] #55798 <!-- Broadcast binary ops involving strided triangular -->
- [x] #55919 <!-- Limit `@inbounds` to indexing in the dual-iterator
branch in `copyto_unaliased!` -->

Contains multiple commits, manual intervention needed:
- [ ] #54009 <!-- allow extensions to trigger from packages in [deps]
-->
- [ ] #55509 <!-- Fix cong implementation to be properly random and not
just cycling. -->
- [ ] #55569 <!-- Add a docs section about loading/precomp/ttfx time
tuning -->
- [ ] #55824 <!-- Replace regex package module checks with actual code
checks -->

Non-merged PRs with backport label:
- [ ] #55932 <!-- REPL: make UndefVarError aware of imported modules -->
- [ ] #55910 <!-- Prevent extensions from blocking parallel
pre-compilation -->
- [ ] #55908 <!-- add logic to prefer loading modules that are already
loaded -->
- [ ] #55886 <!-- irrationals: restrict assume effects annotations to
known types -->
- [ ] #55871 <!-- lowering: don't reverse handler order in
`(pop-handler-list ...)` -->
- [ ] #55870 <!-- fix infinite recursion in `promote_type` for
`Irrational` -->
- [ ] #55867 <!-- update `hash` doc string: `widen` not required any
more -->
- [ ] #55851 <!-- [REPL] Fix #55850 by using `safe_realpath` instead of
`abspath` in `projname` -->
- [ ] #55813 <!-- Check for conflicting `@ccallable` name before JIT
registration -->
- [ ] #55743 <!-- doc: heap snapshot viewing -->
- [ ] #55741 <!-- Change annotations to use a NamedTuple -->
- [ ] #55534 <!-- Set stdlib sources as read-only during installation
-->
- [ ] #55499 <!-- propagate the terminal's `displaysize` to the
`IOContext` used by the REPL -->
- [ ] #55458 <!-- Allow for generically extracting unannotated string
-->
- [ ] #55457 <!-- Make AnnotateChar equality consider annotations -->
- [ ] #55220 <!-- `isfile_casesensitive` fixes on Windows -->
- [ ] #55169 <!-- `propertynames` for SVD respects private argument -->
- [ ] #54457 <!-- Make `String(::Memory)` copy -->
- [ ] #53957 <!-- tweak how filtering is done for what packages should
be precompiled -->
- [ ] #51479 <!-- prevent code loading from lookin in the versioned
environment when building Julia -->
- [ ] #50813 <!-- More doctests for Sockets and capitalization fix -->
- [ ] #50157 <!-- improve docs for `@inbounds` and
`Base.@propagate_inbounds` -->
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3 participants