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Docs script example doesn't run with ghc-9.10.1 #10325

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philderbeast opened this issue Sep 6, 2024 · 1 comment · Fixed by #10327
Closed

Docs script example doesn't run with ghc-9.10.1 #10325

philderbeast opened this issue Sep 6, 2024 · 1 comment · Fixed by #10327

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@philderbeast
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What is wrong with the docs?

The script example doesn't run as-is with ghc-9.10.1:

image

$ chmod +x myscript.hs

$ ./myscript.hs
Warning: this is a debug build of cabal-install with assertions enabled.
Error: [Cabal-7107]
Could not resolve dependencies:
[__0] trying: fake-package-0 (user goal)
[__1] next goal: base (dependency of fake-package)
[__1] rejecting: base-4.20.0.0/installed-4014 (conflict: fake-package => base^>=4.19.0.0)
[__1] skipping: base; 4.20.0.1, 4.20.0.0 (has the same characteristics that caused the previous version to fail: excluded by constraint '^>=4.19.0.0' from 'fake-package')
[__1] rejecting: base; 4.19.1.0, 4.19.0.0, 4.18.2.1, 4.18.2.0, 4.18.1.0, 4.18.0.0, 4.17.2.1, 4.17.2.0, 4.17.1.0, 4.17.0.0, 4.16.4.0, 4.16.3.0, 4.16.2.0, 4.16.1.0, 4.16.0.0, 4.15.1.0, 4.15.0.0, 4.14.3.0, 4.14.2.0, 4.14.1.0, 4.14.0.0, 4.13.0.0, 4.12.0.0, 4.11.1.0, 4.11.0.0, 4.10.1.0, 4.10.0.0, 4.9.1.0, 4.9.0.0, 4.8.2.0, 4.8.1.0, 4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0, 4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1, 4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (constraint from non-reinstallable package requires installed instance)
[__1] fail (backjumping, conflict set: base, fake-package)
After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: base, fake-package
@ulysses4ever
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We should kill the explicit version of base in the example IMO.

philderbeast added a commit to cabalism/cabal that referenced this issue Sep 6, 2024
philderbeast added a commit to cabalism/cabal that referenced this issue Sep 9, 2024
philderbeast added a commit to cabalism/cabal that referenced this issue Sep 11, 2024
philderbeast added a commit to cabalism/cabal that referenced this issue Sep 11, 2024
philderbeast added a commit to cabalism/cabal that referenced this issue Sep 22, 2024
philderbeast added a commit to cabalism/cabal that referenced this issue Sep 22, 2024
Fixes haskell#10325

- Simplify note on relaxing version bounds
- Link to GHC release note included or boot packages
- May allow, not will allow
- Add a second link to footnote on boot packages

Co-Authored-By: Artem Pelenitsyn <[email protected]>
@mergify mergify bot closed this as completed in #10327 Sep 24, 2024
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