forked from lix-project/lix
fdc9da034f
This doesn't work in read-only mode, ensuring that operations like nix path-info --store https://cache.nixos.org -S nixpkgs.hello (asking for the closure size of nixpkgs.hello in cache.nixos.org) work when nixpkgs.hello doesn't exist in the local store.
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
#include "command.hh"
|
||
#include "common-args.hh"
|
||
#include "shared.hh"
|
||
#include "store-api.hh"
|
||
|
||
using namespace nix;
|
||
|
||
struct CmdLog : InstallablesCommand
|
||
{
|
||
CmdLog()
|
||
{
|
||
}
|
||
|
||
std::string name() override
|
||
{
|
||
return "log";
|
||
}
|
||
|
||
std::string description() override
|
||
{
|
||
return "show the build log of the specified packages or paths";
|
||
}
|
||
|
||
void run(ref<Store> store) override
|
||
{
|
||
auto subs = getDefaultSubstituters();
|
||
|
||
subs.push_front(store);
|
||
|
||
for (auto & inst : installables) {
|
||
for (auto & b : inst->toBuildable()) {
|
||
auto path = b.second.drvPath != "" ? b.second.drvPath : b.first;
|
||
bool found = false;
|
||
for (auto & sub : subs) {
|
||
auto log = sub->getBuildLog(path);
|
||
if (!log) continue;
|
||
std::cout << *log;
|
||
found = true;
|
||
break;
|
||
}
|
||
if (!found)
|
||
throw Error("build log of path ‘%s’ is not available", path);
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
static RegisterCommand r1(make_ref<CmdLog>());
|