diff options
Diffstat (limited to 'src/nix/command.cc')
| -rw-r--r-- | src/nix/command.cc | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/src/nix/command.cc b/src/nix/command.cc deleted file mode 100644 index c2bd5b13c..000000000 --- a/src/nix/command.cc +++ /dev/null @@ -1,223 +0,0 @@ -#include "command.hh" -#include "store-api.hh" -#include "derivations.hh" -#include "nixexpr.hh" -#include "profiles.hh" - -extern char * * environ __attribute__((weak)); - -namespace nix { - -Commands * RegisterCommand::commands = nullptr; - -StoreCommand::StoreCommand() -{ -} - -ref<Store> StoreCommand::getStore() -{ - if (!_store) - _store = createStore(); - return ref<Store>(_store); -} - -ref<Store> StoreCommand::createStore() -{ - return openStore(); -} - -void StoreCommand::run() -{ - run(getStore()); -} - -EvalCommand::EvalCommand() -{ - addFlag({ - .longName = "debugger", - .description = "start an interactive environment if evaluation fails", - .handler = {&startReplOnEvalErrors, true}, - }); -} - -extern std::function<void(const Error & error, const std::map<std::string, Value *> & env)> debuggerHook; - -ref<EvalState> EvalCommand::getEvalState() -{ - if (!evalState) { - evalState = std::make_shared<EvalState>(searchPath, getStore()); - if (startReplOnEvalErrors) - debuggerHook = [evalState{ref<EvalState>(evalState)}](const Error & error, const std::map<std::string, Value *> & env) { - printError("%s\n\n" ANSI_BOLD "Starting REPL to allow you to inspect the current state of the evaluator.\n" ANSI_NORMAL, error.what()); - runRepl(evalState, env); - }; - } - return ref<EvalState>(evalState); -} - -StorePathsCommand::StorePathsCommand(bool recursive) - : recursive(recursive) -{ - if (recursive) - addFlag({ - .longName = "no-recursive", - .description = "apply operation to specified paths only", - .handler = {&this->recursive, false}, - }); - else - addFlag({ - .longName = "recursive", - .shortName = 'r', - .description = "apply operation to closure of the specified paths", - .handler = {&this->recursive, true}, - }); - - mkFlag(0, "all", "apply operation to the entire store", &all); -} - -void StorePathsCommand::run(ref<Store> store) -{ - StorePaths storePaths; - - if (all) { - if (installables.size()) - throw UsageError("'--all' does not expect arguments"); - for (auto & p : store->queryAllValidPaths()) - storePaths.push_back(p); - } - - else { - for (auto & p : toStorePaths(store, realiseMode, operateOn, installables)) - storePaths.push_back(p); - - if (recursive) { - StorePathSet closure; - store->computeFSClosure(StorePathSet(storePaths.begin(), storePaths.end()), closure, false, false); - storePaths.clear(); - for (auto & p : closure) - storePaths.push_back(p); - } - } - - run(store, std::move(storePaths)); -} - -void StorePathCommand::run(ref<Store> store) -{ - auto storePaths = toStorePaths(store, Realise::Nothing, operateOn, installables); - - if (storePaths.size() != 1) - throw UsageError("this command requires exactly one store path"); - - run(store, *storePaths.begin()); -} - -Strings editorFor(const Pos & pos) -{ - auto editor = getEnv("EDITOR").value_or("cat"); - auto args = tokenizeString<Strings>(editor); - if (pos.line > 0 && ( - editor.find("emacs") != std::string::npos || - editor.find("nano") != std::string::npos || - editor.find("vim") != std::string::npos)) - args.push_back(fmt("+%d", pos.line)); - args.push_back(pos.file); - return args; -} - -MixProfile::MixProfile() -{ - addFlag({ - .longName = "profile", - .description = "profile to update", - .labels = {"path"}, - .handler = {&profile}, - .completer = completePath - }); -} - -void MixProfile::updateProfile(const StorePath & storePath) -{ - if (!profile) return; - auto store = getStore().dynamic_pointer_cast<LocalFSStore>(); - if (!store) throw Error("'--profile' is not supported for this Nix store"); - auto profile2 = absPath(*profile); - switchLink(profile2, - createGeneration( - ref<LocalFSStore>(store), - profile2, store->printStorePath(storePath))); -} - -void MixProfile::updateProfile(const Buildables & buildables) -{ - if (!profile) return; - - std::optional<StorePath> result; - - for (auto & buildable : buildables) { - for (auto & output : buildable.outputs) { - if (result) - throw Error("'--profile' requires that the arguments produce a single store path, but there are multiple"); - result = output.second; - } - } - - if (!result) - throw Error("'--profile' requires that the arguments produce a single store path, but there are none"); - - updateProfile(*result); -} - -MixDefaultProfile::MixDefaultProfile() -{ - profile = getDefaultProfile(); -} - -MixEnvironment::MixEnvironment() : ignoreEnvironment(false) -{ - addFlag({ - .longName = "ignore-environment", - .shortName = 'i', - .description = "clear the entire environment (except those specified with --keep)", - .handler = {&ignoreEnvironment, true}, - }); - - addFlag({ - .longName = "keep", - .shortName = 'k', - .description = "keep specified environment variable", - .labels = {"name"}, - .handler = {[&](std::string s) { keep.insert(s); }}, - }); - - addFlag({ - .longName = "unset", - .shortName = 'u', - .description = "unset specified environment variable", - .labels = {"name"}, - .handler = {[&](std::string s) { unset.insert(s); }}, - }); -} - -void MixEnvironment::setEnviron() { - if (ignoreEnvironment) { - if (!unset.empty()) - throw UsageError("--unset does not make sense with --ignore-environment"); - - for (const auto & var : keep) { - auto val = getenv(var.c_str()); - if (val) stringsEnv.emplace_back(fmt("%s=%s", var.c_str(), val)); - } - - vectorEnv = stringsToCharPtrs(stringsEnv); - environ = vectorEnv.data(); - } else { - if (!keep.empty()) - throw UsageError("--keep does not make sense without --ignore-environment"); - - for (const auto & var : unset) - unsetenv(var.c_str()); - } -} - -} |