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nix flake show: don't evaluate derivations for foreign systems by default

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This commit is contained in:
Max Headroom 2022-09-01 22:02:38 +02:00
parent 3076571fc9
commit bb60178483
1 changed files with 19 additions and 4 deletions
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23
src/nix/flake.cc
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@ -955,6 +955,7 @@ struct CmdFlakeArchive : FlakeCommand, MixJSON, MixDryRun
struct CmdFlakeShow : FlakeCommand, MixJSON
{
bool showLegacy = false;
bool showForeign = false;
CmdFlakeShow()
{
@ -963,6 +964,11 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
.description = "Show the contents of the `legacyPackages` output.",
.handler = {&showLegacy, true}
});
addFlag({
.longName = "foreign",
.description = "Show the contents of outputs for foreign systems.",
.handler = {&showForeign, true}
});
}
std::string description() override
@ -983,6 +989,7 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
auto state = getEvalState();
auto flake = std::make_shared<LockedFlake>(lockFlake());
auto localSystem = std::string(settings.thisSystem.get());
std::function<nlohmann::json(
eval_cache::AttrCursor & visitor,
@ -1073,10 +1080,18 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
|| (attrPath.size() == 3 && (attrPathS[0] == "checks" || attrPathS[0] == "packages" || attrPathS[0] == "devShells"))
)
{
if (visitor.isDerivation())
showDerivation();
else
throw Error("expected a derivation");
if (!showForeign && std::string(attrPathS[1]) != localSystem) {
if (!json)
logger->cout(fmt("%s " ANSI_WARNING "omitted" ANSI_NORMAL " (use '--foreign' to show)", headerPrefix));
else {
logger->warn(fmt("%s omitted (use '--foreign' to show)", concatStringsSep(".", attrPathS)));
}
} else {
if (visitor.isDerivation())
showDerivation();
else
throw Error("expected a derivation");
}
}
else if (attrPath.size() > 0 && attrPathS[0] == "hydraJobs") {