forked from lix-project/lix
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#include "command.hh"
|
|
#include "common-args.hh"
|
|
#include "shared.hh"
|
|
#include "store-api.hh"
|
|
|
|
using namespace nix;
|
|
|
|
struct CmdBuild : MixDryRun, InstallablesCommand
|
|
{
|
|
Path outLink = "result";
|
|
|
|
CmdBuild()
|
|
{
|
|
mkFlag()
|
|
.longName("out-link")
|
|
.shortName('o')
|
|
.description("path of the symlink to the build result")
|
|
.arity(1)
|
|
.labels({"path"})
|
|
.dest(&outLink);
|
|
|
|
mkFlag()
|
|
.longName("no-link")
|
|
.description("do not create a symlink to the build result")
|
|
.set(&outLink, Path(""));
|
|
}
|
|
|
|
std::string name() override
|
|
{
|
|
return "build";
|
|
}
|
|
|
|
std::string description() override
|
|
{
|
|
return "build a derivation or fetch a store path";
|
|
}
|
|
|
|
void run(ref<Store> store) override
|
|
{
|
|
auto buildables = toBuildables(store, dryRun ? DryRun : Build);
|
|
|
|
for (size_t i = 0; i < buildables.size(); ++i) {
|
|
auto & b(buildables[i]);
|
|
|
|
if (outLink != "")
|
|
for (auto & output : b.outputs)
|
|
if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>()) {
|
|
std::string symlink = outLink;
|
|
if (i) symlink += fmt("-%d", i);
|
|
if (output.first != "out") symlink += fmt("-%s", output.first);
|
|
store2->addPermRoot(output.second, absPath(symlink), true);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
static RegisterCommand r1(make_ref<CmdBuild>());
|