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Merge pull request #5008 from NixOS/flake-devShells-attribute

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Add a `devShells` attribute to the flake schema
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Eelco Dolstra 2021-07-13 23:27:55 +02:00 committed by GitHub
commit bee71d692a
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 21 additions and 3 deletions
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6
src/nix/develop.cc
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@ -326,6 +326,12 @@ struct Common : InstallableCommand, MixProfile
{
return {"devShell." + settings.thisSystem.get(), "defaultPackage." + settings.thisSystem.get()};
}
Strings getDefaultFlakeAttrPathPrefixes() override
{
auto res = SourceExprCommand::getDefaultFlakeAttrPathPrefixes();
res.emplace_front("devShells." + settings.thisSystem.get());
return res;
}
StorePath getShellOutPath(ref<Store> store)
{

11
src/nix/develop.md
View file

@ -84,11 +84,20 @@ the flake's `nixConfig` attribute.
# Flake output attributes
If no flake output attribute is given, `nix run` tries the following
If no flake output attribute is given, `nix develop` tries the following
flake output attributes:
* `devShell.<system>`
* `defaultPackage.<system>`
If a flake output *name* is given, `nix develop` tries the following flake
output attributes:
* `devShells.<system>.<name>`
* `packages.<system>.<name>`
* `legacyPackages.<system>.<name>`
)""

1
src/nix/flake-check.md
View file

@ -33,6 +33,7 @@ The following flake output attributes must be derivations:
* `checks.`*system*`.`*name*
* `defaultPackage.`*system*`
* `devShell.`*system*`
* `devShells.`*system*`.`*name*`
* `nixosConfigurations.`*name*`.config.system.build.toplevel
* `packages.`*system*`.`*name*

6
src/nix/flake.cc
View file

@ -486,7 +486,7 @@ struct CmdFlakeCheck : FlakeCommand
}
}
else if (name == "packages") {
else if (name == "packages" || name == "devShells") {
state->forceAttrs(vOutput, pos);
for (auto & attr : *vOutput.attrs) {
checkSystemName(attr.name, *attr.pos);
@ -914,6 +914,7 @@ struct CmdFlakeShow : FlakeCommand
logger->cout("%s: %s '%s'",
headerPrefix,
attrPath.size() == 2 && attrPath[0] == "devShell" ? "development environment" :
attrPath.size() >= 2 && attrPath[0] == "devShells" ? "development environment" :
attrPath.size() == 3 && attrPath[0] == "checks" ? "derivation" :
attrPath.size() >= 1 && attrPath[0] == "hydraJobs" ? "derivation" :
"package",
@ -932,6 +933,7 @@ struct CmdFlakeShow : FlakeCommand
|| ((attrPath.size() == 1 || attrPath.size() == 2)
&& (attrPath[0] == "checks"
|| attrPath[0] == "packages"
|| attrPath[0] == "devShells"
|| attrPath[0] == "apps"))
)
{
@ -940,7 +942,7 @@ struct CmdFlakeShow : FlakeCommand
else if (
(attrPath.size() == 2 && (attrPath[0] == "defaultPackage" || attrPath[0] == "devShell"))
|| (attrPath.size() == 3 && (attrPath[0] == "checks" || attrPath[0] == "packages"))
|| (attrPath.size() == 3 && (attrPath[0] == "checks" || attrPath[0] == "packages" || attrPath[0] == "devShells"))
)
{
if (visitor.isDerivation())