63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
#include "command.hh"
|
|
#include "common-args.hh"
|
|
#include "shared.hh"
|
|
#include "store-api.hh"
|
|
#include "progress-bar.hh"
|
|
|
|
using namespace nix;
|
|
|
|
struct CmdLog : InstallableCommand
|
|
{
|
|
std::string description() override
|
|
{
|
|
return "show the build log of the specified packages or paths, if available";
|
|
}
|
|
|
|
Examples examples() override
|
|
{
|
|
return {
|
|
Example{
|
|
"To get the build log of GNU Hello:",
|
|
"nix log nixpkgs.hello"
|
|
},
|
|
Example{
|
|
"To get the build log of a specific path:",
|
|
"nix log /nix/store/lmngj4wcm9rkv3w4dfhzhcyij3195hiq-thunderbird-52.2.1"
|
|
},
|
|
Example{
|
|
"To get a build log from a specific binary cache:",
|
|
"nix log --store https://cache.nixos.org nixpkgs.hello"
|
|
},
|
|
};
|
|
}
|
|
|
|
void run(ref<Store> store) override
|
|
{
|
|
settings.readOnlyMode = true;
|
|
|
|
auto subs = getDefaultSubstituters();
|
|
|
|
subs.push_front(store);
|
|
|
|
auto b = installable->toBuildable();
|
|
|
|
RunPager pager;
|
|
for (auto & sub : subs) {
|
|
auto log = b.drvPath ? sub->getBuildLog(*b.drvPath) : nullptr;
|
|
for (auto & output : b.outputs) {
|
|
if (log) break;
|
|
log = sub->getBuildLog(output.second);
|
|
}
|
|
if (!log) continue;
|
|
stopProgressBar();
|
|
printInfo("got build log for '%s' from '%s'", installable->what(), sub->getUri());
|
|
std::cout << *log;
|
|
return;
|
|
}
|
|
|
|
throw Error("build log of '%s' is not available", installable->what());
|
|
}
|
|
};
|
|
|
|
static auto r1 = registerCommand<CmdLog>("log");
|