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January 13, 2022 02:09
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haskell.nix: wai-middleware-delegate: cabal build fails after successful nix-shell when upgrading to text-2.0
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$ nix-shell | |
building '/nix/store/2p075yxfnykj1wgcf7cl83n3ygnnlds1-git-ls-files.drv'... | |
trace: No index state specified for haskell-project, using the latest index state that we know about (2022-01-06T00:00:00Z)! | |
trace: To make project.plan-nix for hoogle a fixed-output derivation but not materialized, set `plan-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'. | |
trace: To materialize project.plan-nix for hoogle entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'. | |
trace: No index state specified for cabal-install, using the latest index state that we know about (2022-01-06T00:00:00Z)! | |
trace: No index state specified for ghcid, using the latest index state that we know about (2022-01-06T00:00:00Z)! | |
trace: No index state specified for haskell-language-server, using the latest index state that we know about (2022-01-06T00:00:00Z)! | |
trace: No index state specified for hlint, using the latest index state that we know about (2022-01-06T00:00:00Z)! | |
[nix-shell]$ cabal new-build | |
Warning: No remote package servers have been specified. Usually you would have | |
one specified in the config file. | |
Resolving dependencies... | |
cabal: Could not resolve dependencies: | |
[__0] trying: wai-middleware-delegate-0.1.3.0 (user goal) | |
[__1] next goal: wai (dependency of wai-middleware-delegate) | |
[__1] rejecting: wai-3.2.3/installed-IPy9Gpa463xGzAREy5hulI (conflict: | |
wai-middleware-delegate => text^>=2.0, wai => text==1.2.4.1/installed-1.2.4.1) | |
[__1] fail (backjumping, conflict set: wai, wai-middleware-delegate) | |
After searching the rest of the dependency tree exhaustively, these were the | |
goals I've had most trouble fulfilling: wai-middleware-delegate, wai |
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