Issue 5586 srcpkgrepo not local #6917
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This is still WIP, as solver tries to enable optional stanzas for e.g |
…edPackage Also calculate hashes for all locally available tarballs.
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infinisil
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Dec 15, 2020
For source-repository-package's, cabal tries to build them on its own, even when all dependencies are already provided by Nix. Relevant issues: - haskell/cabal#6049 - IntersectMBO/ouroboros-network#645 - haskell/cabal#5586 (comment) This seems to be a problem even with a cabal that includes haskell/cabal#6917 (see input-output-hk/haskell.nix#720 (comment) for how to test a cabal-install 3.4) The only known workaround is to remove the source-repository-package sections from cabal.project, but this should only be done for cabal when used from a nix-shell, not from cabal without a nix-shell, and not outside the nix-shell. To make this work smoothly, the script `scripts/nix-setup` can be used, which splits the source-repository-package sections into cabal.project.srcs, which is then again included from here (to make the Nix setup still work). Running the script again undoes it.
infinisil
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Dec 16, 2020
For source-repository-package's, cabal tries to build them on its own, even when all dependencies are already provided by Nix. Relevant issues: - haskell/cabal#6049 - IntersectMBO/ouroboros-network#645 - haskell/cabal#5586 (comment) This seems to be a problem even with a cabal that includes haskell/cabal#6917 (see input-output-hk/haskell.nix#720 (comment) for how to test a cabal-install 3.4) The only known workaround is to remove the source-repository-package sections from cabal.project, but this should only be done for cabal when used from a nix-shell, not from cabal without a nix-shell, and not outside the nix-shell. To make this work smoothly, the script `scripts/nix-setup` can be used, which splits the source-repository-package sections into cabal.project.srcs, which is then again included from here (to make the Nix setup still work). Running the script again undoes it.
infinisil
added a commit
to input-output-hk/ECIP-Checkpointing
that referenced
this pull request
Dec 16, 2020
For source-repository-package's, cabal tries to build them on its own, even when all dependencies are already provided by Nix. Relevant issues: - haskell/cabal#6049 - IntersectMBO/ouroboros-network#645 - haskell/cabal#5586 (comment) This seems to be a problem even with a cabal that includes haskell/cabal#6917 (see input-output-hk/haskell.nix#720 (comment) for how to test a cabal-install 3.4) The only known workaround is to remove the source-repository-package sections from cabal.project, but this should only be done for cabal when used from a nix-shell, not from cabal without a nix-shell, and not outside the nix-shell. To make this work smoothly, the script `scripts/nix-setup` can be used, which splits the source-repository-package sections into cabal.project.srcs, which is then again included from here (to make the Nix setup still work). Running the script again undoes it.
infinisil
added a commit
to input-output-hk/ECIP-Checkpointing
that referenced
this pull request
Dec 16, 2020
For source-repository-package's, cabal tries to build them on its own, even when all dependencies are already provided by Nix. Relevant issues: - haskell/cabal#6049 - IntersectMBO/ouroboros-network#645 - haskell/cabal#5586 (comment) This seems to be a problem even with a cabal that includes haskell/cabal#6917 (see input-output-hk/haskell.nix#720 (comment) for how to test a cabal-install 3.4) The only known workaround is to remove the source-repository-package sections from cabal.project, but this should only be done for cabal when used from a nix-shell, not from cabal without a nix-shell, and not outside the nix-shell. To make this work smoothly, the script `scripts/nix-setup` can be used, which splits the source-repository-package sections into cabal.project.srcs, which is then again included from here (to make the Nix setup still work). Running the script again undoes it.
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