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

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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
1 changed files with 15 additions and 13 deletions
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28
src/nix-env/nix-env.cc
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@ -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); JSONObject topObj(cout, true);
for (auto & i : elems) { for (auto & i : elems) {
@ -927,17 +927,19 @@ static void queryJSON(Globals & globals, vector<DrvInfo> & elems, bool printOutP
} }
} }
JSONObject metaObj = pkgObj.object("meta"); if (printMeta) {
StringSet metaNames = i.queryMetaNames(); JSONObject metaObj = pkgObj.object("meta");
for (auto & j : metaNames) { StringSet metaNames = i.queryMetaNames();
auto placeholder = metaObj.placeholder(j); for (auto & j : metaNames) {
Value * v = i.queryMeta(j); auto placeholder = metaObj.placeholder(j);
if (!v) { Value * v = i.queryMeta(j);
printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j); if (!v) {
placeholder.write(nullptr); printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j);
} else { placeholder.write(nullptr);
PathSet context; } else {
printValueAsJSON(*globals.state, true, *v, noPos, placeholder, context); 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. */ /* Print the desired columns, or XML output. */
if (jsonOutput) { if (jsonOutput) {
queryJSON(globals, elems, printOutPath); queryJSON(globals, elems, printOutPath, printMeta);
return; return;
} }