forked from lix-project/lix
85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#include "command.hh"
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#include "store-api.hh"
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#include "derivations.hh"
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namespace nix {
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std::vector<ref<Command>> * RegisterCommand::commands = 0;
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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, NoBuild, 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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}
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