wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-07-06 21:41:48 +02:00
Code Activity

add nix-store --query --valid-derivers command

Browse source 
notably useful when nix-store --query --deriver returns a non-existing
path.

Co-authored-by: Felix Uhl <iFreilicht@users.noreply.github.com>
This commit is contained in:
Guillaume Girol 2023-08-23 12:00:00 +00:00
parent 6459a1c7ad
commit 925a444b92
9 changed files with 68 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/nix-store/nix-store.cc
View file

@ -283,7 +283,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
{
enum QueryType
{ qOutputs, qRequisites, qReferences, qReferrers
, qReferrersClosure, qDeriver, qBinding, qHash, qSize
, qReferrersClosure, qDeriver, qValidDerivers, qBinding, qHash, qSize
, qTree, qGraph, qGraphML, qResolve, qRoots };
std::optional<QueryType> query;
bool useOutput = false;
@ -299,6 +299,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
else if (i == "--referrers" || i == "--referers") query = qReferrers;
else if (i == "--referrers-closure" || i == "--referers-closure") query = qReferrersClosure;
else if (i == "--deriver" || i == "-d") query = qDeriver;
else if (i == "--valid-derivers") query = qValidDerivers;
else if (i == "--binding" || i == "-b") {
if (opArgs.size() == 0)
throw UsageError("expected binding name");
@ -372,6 +373,21 @@ static void opQuery(Strings opFlags, Strings opArgs)
}
break;
case qValidDerivers: {
StorePathSet result;
for (auto & i : opArgs) {
auto derivers = store->queryValidDerivers(store->followLinksToStorePath(i));
for (const auto &i: derivers) {
result.insert(i);
}
}
auto sorted = store->topoSortPaths(result);
for (StorePaths::reverse_iterator i = sorted.rbegin();
i != sorted.rend(); ++i)
cout << fmt("%s\n", store->printStorePath(*i));
break;
}
case qBinding:
for (auto & i : opArgs) {
auto path = useDeriver(store->followLinksToStorePath(i));