56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
#include <algorithm>
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#include "command.hh"
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#include "common-args.hh"
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#include "eval.hh"
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#include "globals.hh"
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#include "legacy.hh"
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#include "shared.hh"
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#include "store-api.hh"
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namespace nix {
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struct NixArgs : virtual MultiCommand, virtual MixCommonArgs
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{
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NixArgs() : MultiCommand(*RegisterCommand::commands), MixCommonArgs("nix")
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{
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mkFlag('h', "help", "show usage information", [=]() {
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printHelp(programName, std::cout);
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throw Exit();
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});
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mkFlag(0, "version", "show version information", std::bind(printVersion, programName));
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}
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};
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void mainWrapped(int argc, char * * argv)
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{
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initNix();
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initGC();
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string programName = baseNameOf(argv[0]);
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{
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auto legacy = (*RegisterLegacyCommand::commands)[programName];
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if (legacy) return legacy(argc, argv);
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}
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NixArgs args;
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args.parseCmdline(argvToStrings(argc, argv));
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assert(args.command);
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args.command->prepare();
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args.command->run();
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}
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}
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int main(int argc, char * * argv)
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{
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return nix::handleExceptions(argv[0], [&]() {
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nix::mainWrapped(argc, argv);
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});
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}
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