Check for --meta before emitting it for --json

Check that the meta flag is present when emitting JSON query information
for `nix-env`.

fixes #5882
This commit is contained in:
Farid Zakaria 2022-01-06 14:40:02 -08:00
parent f71d84672b
commit e36fdbbfd9

View file

@ -907,7 +907,7 @@ static VersionDiff compareVersionAgainstSet(
}
static void queryJSON(Globals & globals, vector<DrvInfo> & elems, bool printOutPath)
static void queryJSON(Globals & globals, vector<DrvInfo> & elems, bool printOutPath, bool printMeta)
{
JSONObject topObj(cout, true);
for (auto & i : elems) {
@ -927,17 +927,19 @@ static void queryJSON(Globals & globals, vector<DrvInfo> & elems, bool printOutP
}
}
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);
} else {
PathSet context;
printValueAsJSON(*globals.state, true, *v, noPos, placeholder, context);
if (printMeta) {
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);
} else {
PathSet context;
printValueAsJSON(*globals.state, true, *v, noPos, placeholder, context);
}
}
}
}
@ -1043,7 +1045,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
/* Print the desired columns, or XML output. */
if (jsonOutput) {
queryJSON(globals, elems, printOutPath);
queryJSON(globals, elems, printOutPath, printMeta);
return;
}