127 lines
3 KiB
C++
127 lines
3 KiB
C++
#include "command.hh"
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#include "store-api.hh"
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#include "derivations.hh"
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#include "profiles.hh"
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namespace nix {
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Commands * RegisterCommand::commands = nullptr;
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StoreCommand::StoreCommand()
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{
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}
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ref<Store> StoreCommand::getStore()
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{
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if (!_store)
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_store = createStore();
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return ref<Store>(_store);
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}
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ref<Store> StoreCommand::createStore()
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{
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return openStore();
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}
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void StoreCommand::run()
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{
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run(getStore());
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}
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StorePathsCommand::StorePathsCommand(bool recursive)
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: recursive(recursive)
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{
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if (recursive)
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mkFlag()
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.longName("no-recursive")
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.description("apply operation to specified paths only")
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.set(&this->recursive, false);
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else
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mkFlag()
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.longName("recursive")
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.shortName('r')
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.description("apply operation to closure of the specified paths")
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.set(&this->recursive, true);
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mkFlag(0, "all", "apply operation to the entire store", &all);
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}
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void StorePathsCommand::run(ref<Store> store)
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{
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Paths storePaths;
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if (all) {
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if (installables.size())
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throw UsageError("'--all' does not expect arguments");
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for (auto & p : store->queryAllValidPaths())
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storePaths.push_back(p);
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}
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else {
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for (auto & p : toStorePaths(store, realiseMode, installables))
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storePaths.push_back(p);
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if (recursive) {
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PathSet closure;
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store->computeFSClosure(PathSet(storePaths.begin(), storePaths.end()),
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closure, false, false);
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storePaths = Paths(closure.begin(), closure.end());
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}
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}
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run(store, storePaths);
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}
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void StorePathCommand::run(ref<Store> store)
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{
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auto storePaths = toStorePaths(store, NoBuild, installables);
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if (storePaths.size() != 1)
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throw UsageError("this command requires exactly one store path");
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run(store, *storePaths.begin());
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}
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MixProfile::MixProfile()
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{
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mkFlag()
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.longName("profile")
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.description("profile to update")
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.labels({"path"})
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.dest(&profile);
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}
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void MixProfile::updateProfile(const Path & storePath)
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{
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if (!profile) return;
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auto store = getStore().dynamic_pointer_cast<LocalFSStore>();
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if (!store) throw Error("'--profile' is not supported for this Nix store");
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auto profile2 = absPath(*profile);
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switchLink(profile2,
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createGeneration(
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ref<LocalFSStore>(store),
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profile2, storePath));
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}
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void MixProfile::updateProfile(const Buildables & buildables)
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{
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if (!profile) return;
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std::optional<Path> result;
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for (auto & buildable : buildables) {
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for (auto & output : buildable.outputs) {
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if (result)
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throw Error("'--profile' requires that the arguments produce a single store path, but there are multiple");
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result = output.second;
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}
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}
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if (!result)
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throw Error("'--profile' requires that the arguments produce a single store path, but there are none");
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updateProfile(*result);
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}
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}
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