pyrox.dev
Merge pull request #257276 from fricklerhandwerk/dhall-nix-env
use `nix-shell -p` for `dhall-to-nixpkgs` example
authored by
Silvan Mosberger
and committed by
GitHub
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doc/languages-frameworks/dhall.section.md
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doc/languages-frameworks/dhall.section.md
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packaging Dhall code. For example:
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```ShellSession
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$ nix-env --install --attr haskellPackages.dhall-nixpkgs
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$ nix-env --install --attr nix-prefetch-git # Used by dhall-to-nixpkgs
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$ dhall-to-nixpkgs github https://github.com/Gabriella439/dhall-semver.git
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{ buildDhallGitHubPackage, Prelude }:
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buildDhallGitHubPackage {
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name = "dhall-semver";
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dependencies = [ (Prelude.overridePackage { file = "package.dhall"; }) ];
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}
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```
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The utility takes care of automatically detecting remote imports and converting
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them to package dependencies. You can also use the utility on local
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packaging Dhall code. For example:
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```ShellSession
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$ nix-shell -p haskellPackages.dhall-nixpkgs nix-prefetch-git
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[nix-shell]$ dhall-to-nixpkgs github https://github.com/Gabriella439/dhall-semver.git
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{ buildDhallGitHubPackage, Prelude }:
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buildDhallGitHubPackage {
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name = "dhall-semver";
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dependencies = [ (Prelude.overridePackage { file = "package.dhall"; }) ];
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}
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```
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:::{.note}
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`nix-prefetch-git` has to be in `$PATH` for `dhall-to-nixpkgs` to work.
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:::
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The utility takes care of automatically detecting remote imports and converting
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them to package dependencies. You can also use the utility on local