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2da6a42448
This is primarily useful for extracting NARs from other stores (like binary caches), which "nix-store --dump" cannot do.
35 lines
819 B
C++
35 lines
819 B
C++
#include "command.hh"
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#include "store-api.hh"
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using namespace nix;
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struct CmdDumpPath : StorePathCommand
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{
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std::string name() override
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{
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return "dump-path";
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}
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std::string description() override
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{
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return "dump a store path to stdout (in NAR format)";
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}
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Examples examples() override
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{
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return {
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Example{
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"To get a NAR from the binary cache https://cache.nixos.org/:",
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"nix dump-path --store https://cache.nixos.org/ /nix/store/7crrmih8c52r8fbnqb933dxrsp44md93-glibc-2.25"
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},
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};
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}
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void run(ref<Store> store, const Path & storePath) override
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{
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FdSink sink(STDOUT_FILENO);
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store->narFromPath(storePath, sink);
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}
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};
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static RegisterCommand r1(make_ref<CmdDumpPath>());
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