diff options
author | Max <max@privatevoid.net> | 2022-09-01 22:02:38 +0200 |
---|---|---|
committer | Max <max@privatevoid.net> | 2022-09-01 22:04:22 +0200 |
commit | 02bff90e7bbc04244b3d566d82c945156cb0885b (patch) | |
tree | 54ef8d894dfc804ee580dbac46e14fa9c9728257 /src/nix/flake.cc | |
parent | 4823067247471aebdc24dceb21e13ee3d5411cb8 (diff) |
nix flake show: don't evaluate derivations for foreign systems by default
Diffstat (limited to 'src/nix/flake.cc')
-rw-r--r-- | src/nix/flake.cc | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/nix/flake.cc b/src/nix/flake.cc index 3967f1102..5232534c6 100644 --- a/src/nix/flake.cc +++ b/src/nix/flake.cc @@ -957,6 +957,7 @@ struct CmdFlakeArchive : FlakeCommand, MixJSON, MixDryRun struct CmdFlakeShow : FlakeCommand, MixJSON { bool showLegacy = false; + bool showForeign = false; CmdFlakeShow() { @@ -965,6 +966,11 @@ 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 @@ -985,6 +991,7 @@ 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, @@ -1075,10 +1082,18 @@ 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") { |