fix test for display
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@ -29,6 +29,6 @@ for i in $GHC_PKGS; do sed -i -e /$i/d pkgs.dot; done
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cat pkgs.dot | tred | dot -Nfontsize=8 -Tsvg >pkgs.svg
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if [ -n "$DISPLAY"]; then
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if [ -n "$DISPLAY" ]; then
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xdg-open pkgs.svg
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fi
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