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Merge pull request #6988 from max-privatevoid/pr-flake-show-foreign

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nix flake show: don't evaluate derivations for foreign systems by default
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Théophane Hufschmitt 2023-01-30 12:06:37 +01:00 • committed by GitHub
commit 575d0aea5d
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5 changed files with 72 additions and 7 deletions
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29
src/nix/flake.cc
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@ -966,6 +966,7 @@ struct CmdFlakeArchive : FlakeCommand, MixJSON, MixDryRun
struct CmdFlakeShow : FlakeCommand, MixJSON
{
bool showLegacy = false;
bool showAllSystems = false;
CmdFlakeShow()
{
@ -974,6 +975,11 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
.description = "Show the contents of the `legacyPackages` output.",
.handler = {&showLegacy, true}
});
addFlag({
.longName = "all-systems",
.description = "Show the contents of outputs for all systems.",
.handler = {&showAllSystems, true}
});
}
std::string description() override
@ -994,6 +1000,7 @@ 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,
@ -1084,10 +1091,18 @@ 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 (!showAllSystems && std::string(attrPathS[1]) != localSystem) {
if (!json)
logger->cout(fmt("%s " ANSI_WARNING "omitted" ANSI_NORMAL " (use '--all-systems' to show)", headerPrefix));
else {
logger->warn(fmt("%s omitted (use '--all-systems' to show)", concatStringsSep(".", attrPathS)));
}
} else {
if (visitor.isDerivation())
showDerivation();
else
throw Error("expected a derivation");
}
}
else if (attrPath.size() > 0 && attrPathS[0] == "hydraJobs") {
@ -1106,6 +1121,12 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
else {
logger->warn(fmt("%s omitted (use '--legacy' to show)", concatStringsSep(".", attrPathS)));
}
} else if (!showAllSystems && std::string(attrPathS[1]) != localSystem) {
if (!json)
logger->cout(fmt("%s " ANSI_WARNING "omitted" ANSI_NORMAL " (use '--all-systems' to show)", headerPrefix));
else {
logger->warn(fmt("%s omitted (use '--all-systems' to show)", concatStringsSep(".", attrPathS)));
}
} else {
if (visitor.isDerivation())
showDerivation();