angerman changed the topic of #haskell.nix to: https://input-output-hk.github.io/haskell.nix - alternative haskell infrastructure for nix; logs at https://logs.nix.samueldr.com/haskell.nix
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<exarkun> It fails with "fatal: not a tree object"
<exarkun> And it seems to be trying to checkout a git repository that doesn't exist
<michaelpj> what is "it"?
<exarkun> `nix build -f default.nix`
<michaelpj> can you be more specific about what you're doing and what fails?
<exarkun> I followed the "setting-up-the-binary-cache" instructions and then I copied the default.nix from "scaffolding" into my project root and ran `nix build -f .`
<exarkun> Scratch what I said about checking out a repo that doesn't exist, seems that it does exist, and it's one of the dependencies of the project I copied the scaffolding in to.
<exarkun> And I see now that for dependencies fetched from git the sha256 is required but isn't currently in my stack.yaml
<michaelpj> you can also pass them in via the `sha256map` argument to `project` if you don't want to modify your `stack.yaml` with nix stuff
<michaelpj> not sure if that's in the docs yet
<exarkun> yea I see that
<exarkun> trying with a modified stack.yaml for now
<exarkun> it's doing more at least
<exarkun> thanks
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<ptival[m]> anyone with a working HLS 0.7.0 via haskell.nix? :)
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<shapr> ptival[m]: can that be done?
<shapr> I would like to do that
<ptival[m]> I tried to naively update my 0.6.0 configuration, but I got cabal errors about shake-bench for ghcide 0.6.0.1 and I don't feel qualified enough to figure out what it's complaining about :(
<shapr> I've seen instructions for stock nix for hls, but not for haskell.nix
<michaelpj> I've got a 0.6.0, but I haven't tried to update to 0.7.0
<michaelpj> just bumped mine to 0.7.1
<michaelpj> worked fine
<michaelpj> although I still have `configureArgs = "--disable-benchmarks"`, because that used to be broken. Might help with the shake-bench issue
<michaelpj> yeah, it still doesn't work without that, don't know why
<ptival[m]> ah thanks, that's probably all I needed!
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