58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
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#include "command.hh"
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#include "common-args.hh"
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#include "installables.hh"
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#include "shared.hh"
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#include "store-api.hh"
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using namespace nix;
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struct CmdLog : StoreCommand, MixInstallables
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{
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CmdLog()
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{
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}
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std::string name() override
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{
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return "log";
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}
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std::string description() override
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{
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return "show the build log of the specified packages or paths";
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}
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void run(ref<Store> store) override
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{
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auto elems = evalInstallables(store);
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PathSet paths;
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for (auto & elem : elems) {
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if (elem.isDrv)
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paths.insert(elem.drvPath);
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else
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paths.insert(elem.outPaths.begin(), elem.outPaths.end());
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}
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auto subs = getDefaultSubstituters();
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subs.push_front(store);
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for (auto & path : paths) {
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bool found = false;
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for (auto & sub : subs) {
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auto log = sub->getBuildLog(path);
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if (!log) continue;
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std::cout << *log;
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found = true;
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break;
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}
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if (!found)
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throw Error("build log of path ‘%s’ is not available", path);
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}
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}
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};
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static RegisterCommand r1(make_ref<CmdLog>());
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