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nix app: Search for installable in the 'apps' output

Browse source 
I.e. you can write

  $ nix app blender-bin:blender_2_80

which is equivalent to

  $ nix app blender-bin:apps.blender_2_80
This commit is contained in:
Eelco Dolstra 2019-06-17 16:58:59 +02:00
parent d6c4fe55db
commit 2467c98375
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
3 changed files with 30 additions and 14 deletions
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12
src/nix/command.hh
View file

@ -102,6 +102,18 @@ struct SourceExprCommand : virtual Args, EvalCommand, MixFlakeOptions
{
return {"defaultPackage"};
}
virtual Strings getDefaultFlakeAttrPathPrefixes()
{
return {
// As a convenience, look for the attribute in
// 'outputs.packages'.
"packages.",
// As a temporary hack until Nixpkgs is properly converted
// to provide a clean 'packages' set, look in 'legacyPackages'.
"legacyPackages."
};
}
};
enum RealiseMode { Build, NoBuild, DryRun };

27
src/nix/installables.cc
View file

@ -257,14 +257,16 @@ struct InstallableFlake : InstallableValue
{
FlakeRef flakeRef;
Strings attrPaths;
bool searchPackages = false;
Strings prefixes;
InstallableFlake(SourceExprCommand & cmd, FlakeRef && flakeRef, Strings attrPaths)
: InstallableValue(cmd), flakeRef(flakeRef), attrPaths(std::move(attrPaths))
{ }
InstallableFlake(SourceExprCommand & cmd, FlakeRef && flakeRef, std::string attrPath)
: InstallableValue(cmd), flakeRef(flakeRef), attrPaths{attrPath}, searchPackages(true)
InstallableFlake(SourceExprCommand & cmd, FlakeRef && flakeRef,
std::string attrPath, Strings && prefixes)
: InstallableValue(cmd), flakeRef(flakeRef), attrPaths{attrPath},
prefixes(prefixes)
{ }
std::string what() override { return flakeRef.to_string() + ":" + *attrPaths.begin(); }
@ -273,15 +275,8 @@ struct InstallableFlake : InstallableValue
{
std::vector<std::string> res;
if (searchPackages) {
// As a convenience, look for the attribute in
// 'outputs.packages'.
res.push_back("packages." + *attrPaths.begin());
// As a temporary hack until Nixpkgs is properly converted
// to provide a clean 'packages' set, look in 'legacyPackages'.
res.push_back("legacyPackages." + *attrPaths.begin());
}
for (auto & prefix : prefixes)
res.push_back(prefix + *attrPaths.begin());
for (auto & s : attrPaths)
res.push_back(s);
@ -421,7 +416,11 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
else if ((colon = s.rfind(':')) != std::string::npos) {
auto flakeRef = std::string(s, 0, colon);
auto attrPath = std::string(s, colon + 1);
result.push_back(std::make_shared<InstallableFlake>(*this, FlakeRef(flakeRef, true), attrPath));
result.push_back(std::make_shared<InstallableFlake>(
*this,
FlakeRef(flakeRef, true),
attrPath,
getDefaultFlakeAttrPathPrefixes()));
}
else if (s.find('/') != std::string::npos || s == ".") {
@ -437,7 +436,7 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
}
else
result.push_back(std::make_shared<InstallableFlake>(*this, FlakeRef("nixpkgs"), s));
throw Error("unsupported argument '%s'", s);
}
}

5
src/nix/run.cc
View file

@ -225,6 +225,11 @@ struct CmdApp : InstallableCommand, RunCommon
return {"defaultApp"};
}
Strings getDefaultFlakeAttrPathPrefixes() override
{
return {"apps."};
}
void run(ref<Store> store) override
{
auto state = getEvalState();