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#include "command.hh"
#include "store-api.hh"
#include "derivations.hh"
#include "nixexpr.hh"
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());
}
StorePathsCommand::StorePathsCommand(bool recursive)
: recursive(recursive)
{
if (recursive)
mkFlag()
.longName("no-recursive")
.description("apply operation to specified paths only")
.set(&this->recursive, false);
else
mkFlag()
.longName("recursive")
.shortName('r')
.description("apply operation to closure of the specified paths")
.set(&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.clone());
}
else {
for (auto & p : toStorePaths(store, realiseMode, installables))
storePaths.push_back(p.clone());
if (recursive) {
StorePathSet closure;
store->computeFSClosure(storePathsToSet(storePaths), closure, false, false);
storePaths.clear();
for (auto & p : closure)
storePaths.push_back(p.clone());
}
}
run(store, std::move(storePaths));
}
void StorePathCommand::run(ref<Store> store)
{
auto storePaths = toStorePaths(store, NoBuild, 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;
}
}
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