diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nix-env/nix-env.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc index a69d3700d..fdd66220a 100644 --- a/src/nix-env/nix-env.cc +++ b/src/nix-env/nix-env.cc @@ -940,12 +940,12 @@ static void queryJSON(Globals & globals, std::vector<DrvInfo> & elems, bool prin JSONObject metaObj = pkgObj.object("meta"); StringSet metaNames = i.queryMetaNames(); for (auto & j : metaNames) { - auto placeholder = metaObj.placeholder(j); Value * v = i.queryMeta(j); if (!v) { printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j); - placeholder.write(nullptr); + metaObj.attr(j, nullptr); } else { + auto placeholder = metaObj.placeholder(j); PathSet context; printValueAsJSON(*globals.state, true, *v, noPos, placeholder, context); } |