nix-super/src/nix/fmt.cc

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#include "command.hh"
#include "installable-value.hh"
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#include "run.hh"
using namespace nix;
struct CmdFmt : SourceExprCommand {
std::vector<std::string> args;
CmdFmt() { expectArgs({.label = "args", .handler = {&args}}); }
std::string description() override {
return "reformat your code in the standard style";
}
std::string doc() override {
return
#include "fmt.md"
;
}
Category category() override { return catSecondary; }
Strings getDefaultFlakeAttrPaths() override {
return Strings{"formatter." + settings.thisSystem.get()};
}
Strings getDefaultFlakeAttrPathPrefixes() override { return Strings{}; }
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void run(ref<Store> store) override
{
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auto evalState = getEvalState();
auto evalStore = getEvalStore();
auto installable_ = parseInstallable(store, ".");
auto & installable = InstallableValue::require(*installable_);
auto app = installable.toApp(*evalState).resolve(evalStore, store);
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Strings programArgs{app.program};
// Propagate arguments from the CLI
if (args.empty()) {
// Format the current flake out of the box
programArgs.push_back(".");
} else {
// User wants more power, let them decide which paths to include/exclude
for (auto &i : args) {
programArgs.push_back(i);
}
}
runProgramInStore(store, app.program, programArgs);
};
};
static auto r2 = registerCommand<CmdFmt>("fmt");