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Fix NullPointerException in cquery --output=graph. #13002

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Fix NullPointerException in cquery --output=graph. #13002

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7b3d76d
Fix NullPointerException in cquery --output=graph.
gregestren Feb 12, 2021
1f97aec
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gregestren Feb 12, 2021
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16 changes: 13 additions & 3 deletions src/main/java/com/google/devtools/build/lib/query2/cquery/GraphOutputFormatterCallback.java
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
import com.google.devtools.build.lib.skyframe.SkyframeExecutor;
import java.io.OutputStream;
import java.util.Comparator;
import java.util.Objects;

/** cquery output formatter that prints the result as factored graph in AT&T GraphViz format. */
class GraphOutputFormatterCallback extends CqueryThreadsafeCallback {
Expand All @@ -50,9 +51,18 @@ Iterable<KeyedConfiguredTarget> getDirectDeps(KeyedConfiguredTarget target)
// Order graph output first by target label, then by configuration hash.
Label label1 = ct1.getLabel();
Label label2 = ct2.getLabel();
return label1.equals(label2)
? ct1.getConfigurationChecksum().compareTo(ct2.getConfigurationChecksum())
: label1.compareTo(label2);
if (!label1.equals(label2)) {
return label1.compareTo(label2);
}
String checksum1 = ct1.getConfigurationChecksum();
String checksum2 = ct2.getConfigurationChecksum();
if (checksum1 == null) {
return -1;
} else if (checksum2 == null) {
return 1;
} else {
return checksum1.compareTo(checksum2);
}
};

@Override
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