Add regression test for NixOS#10331, NixOS#10267

tests/functional/chroot-store.sh

@@ -1,22 +1,47 @@
 source common.sh
 
-cd $TEST_ROOT
+echo example > $TEST_ROOT/example.txt
+mkdir -p $TEST_ROOT/x
 
-echo example > example.txt
-mkdir -p ./x
+export NIX_STORE_DIR=/nix2/store
 
-NIX_STORE_DIR=$TEST_ROOT/x
+CORRECT_PATH=$(cd $TEST_ROOT && nix-store --store ./x --add example.txt)
 
-CORRECT_PATH=$(nix-store --store ./x --add example.txt)
+[[ $CORRECT_PATH =~ ^/nix2/store/.*-example.txt$ ]]
 
-PATH1=$(nix path-info --store ./x $CORRECT_PATH)
+PATH1=$(cd $TEST_ROOT && nix path-info --store ./x $CORRECT_PATH)
 [ $CORRECT_PATH == $PATH1 ]
 
-PATH2=$(nix path-info --store "$PWD/x" $CORRECT_PATH)
+PATH2=$(nix path-info --store "$TEST_ROOT/x" $CORRECT_PATH)
 [ $CORRECT_PATH == $PATH2 ]
 
-PATH3=$(nix path-info --store "local?root=$PWD/x" $CORRECT_PATH)
+PATH3=$(nix path-info --store "local?root=$TEST_ROOT/x" $CORRECT_PATH)
 [ $CORRECT_PATH == $PATH3 ]
 
 # Ensure store info trusted works with local store
-nix --store ./x store info --json | jq -e '.trusted'
+nix --store $TEST_ROOT/x store info --json | jq -e '.trusted'
+
+# Test building in a chroot store.
+if canUseSandbox; then
+
+    flakeDir=$TEST_ROOT/flake
+    mkdir -p $flakeDir
+
+    cat > $flakeDir/flake.nix <<EOF
+{
+  description = "Bla bla";
+
+  outputs = inputs: rec {
+    packages.$system.default = import ./simple.nix;
+  };
+}
+EOF
+
+    cp simple.nix shell.nix simple.builder.sh config.nix $flakeDir/
+
+    outPath=$(nix build --print-out-paths --no-link --sandbox-paths '/nix? /bin? /lib? /lib64? /usr?' --store $TEST_ROOT/x path:$flakeDir)
+
+    [[ $outPath =~ ^/nix2/store/.*-simple$ ]]
+
+    [[ $(cat $TEST_ROOT/x/nix/store/$(basename $outPath)/hello) = 'Hello World!' ]]
+fi