1 files changed, 76 insertions, 0 deletions
diff --git a/third_party/nix/tests/multiple-outputs.sh b/third_party/nix/tests/multiple-outputs.sh
new file mode 100644
index 000000000000..bedbc39a4ebf
--- /dev/null
+++ b/third_party/nix/tests/multiple-outputs.sh
@@ -0,0 +1,76 @@
+source common.sh
+
+clearStore
+
+rm -f $TEST_ROOT/result*
+
+# Test whether read-only evaluation works when referring to the
+# ‘drvPath’ attribute.
+echo "evaluating c..."
+#drvPath=$(nix-instantiate multiple-outputs.nix -A c --readonly-mode)
+
+# And check whether the resulting derivation explicitly depends on all
+# outputs.
+drvPath=$(nix-instantiate multiple-outputs.nix -A c)
+#[ "$drvPath" = "$drvPath2" ]
+grep -q 'multiple-outputs-a.drv",\["first","second"\]' $drvPath
+grep -q 'multiple-outputs-b.drv",\["out"\]' $drvPath
+
+# While we're at it, test the ‘unsafeDiscardOutputDependency’ primop.
+outPath=$(nix-build multiple-outputs.nix -A d --no-out-link)
+drvPath=$(cat $outPath/drv)
+outPath=$(nix-store -q $drvPath)
+(! [ -e "$outPath" ])
+
+# Do a build of something that depends on a derivation with multiple
+# outputs.
+echo "building b..."
+outPath=$(nix-build multiple-outputs.nix -A b --no-out-link)
+echo "output path is $outPath"
+[ "$(cat "$outPath"/file)" = "success" ]
+
+# Test nix-build on a derivation with multiple outputs.
+outPath1=$(nix-build multiple-outputs.nix -A a -o $TEST_ROOT/result)
+[ -e $TEST_ROOT/result-first ]
+(! [ -e $TEST_ROOT/result-second ])
+nix-build multiple-outputs.nix -A a.all -o $TEST_ROOT/result
+[ "$(cat $TEST_ROOT/result-first/file)" = "first" ]
+[ "$(cat $TEST_ROOT/result-second/file)" = "second" ]
+[ "$(cat $TEST_ROOT/result-second/link/file)" = "first" ]
+hash1=$(nix-store -q --hash $TEST_ROOT/result-second)
+
+outPath2=$(nix-build $(nix-instantiate multiple-outputs.nix -A a) --no-out-link)
+[[ $outPath1 = $outPath2 ]]
+
+outPath2=$(nix-build $(nix-instantiate multiple-outputs.nix -A a.first) --no-out-link)
+[[ $outPath1 = $outPath2 ]]
+
+outPath2=$(nix-build $(nix-instantiate multiple-outputs.nix -A a.second) --no-out-link)
+[[ $(cat $outPath2/file) = second ]]
+
+[[ $(nix-build $(nix-instantiate multiple-outputs.nix -A a.all) --no-out-link | wc -l) -eq 2 ]]
+
+# Delete one of the outputs and rebuild it.  This will cause a hash
+# rewrite.
+nix-store --delete $TEST_ROOT/result-second --ignore-liveness
+nix-build multiple-outputs.nix -A a.all -o $TEST_ROOT/result
+[ "$(cat $TEST_ROOT/result-second/file)" = "second" ]
+[ "$(cat $TEST_ROOT/result-second/link/file)" = "first" ]
+hash2=$(nix-store -q --hash $TEST_ROOT/result-second)
+[ "$hash1" = "$hash2" ]
+
+# Make sure that nix-build works on derivations with multiple outputs.
+echo "building a.first..."
+nix-build multiple-outputs.nix -A a.first --no-out-link
+
+# Cyclic outputs should be rejected.
+echo "building cyclic..."
+if nix-build multiple-outputs.nix -A cyclic --no-out-link; then
+    echo "Cyclic outputs incorrectly accepted!"
+    exit 1
+fi
+
+echo "collecting garbage..."
+rm $TEST_ROOT/result*
+nix-store --gc --keep-derivations --keep-outputs
+nix-store --gc --print-roots