1 files changed, 68 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/build-support/trivial-builders/test/references/references-test.sh b/nixpkgs/pkgs/build-support/trivial-builders/test/references/references-test.sh
new file mode 100755
index 000000000000..92e4467287ed
--- /dev/null
+++ b/nixpkgs/pkgs/build-support/trivial-builders/test/references/references-test.sh
@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+
+# -------------------------------------------------------------------------- #
+#
+#                         trivial-builders test
+#
+# -------------------------------------------------------------------------- #
+#
+# Execute this build script directly (quick):
+#
+# * Classic
+#   $ NIX_PATH="nixpkgs=$PWD" nix-shell -p tests.trivial-builders.references.testScriptBin --run references-test
+#
+# * Flake-based
+#   $ nix run .#tests.trivial-builders.references.testScriptBin
+#
+# or in the build sandbox with a ~20s VM overhead:
+#
+# * Classic
+#   $ nix-build --no-out-link -A tests.trivial-builders.references
+#
+# * Flake-based
+#   $ nix build -L --no-link .#tests.trivial-builders.references
+#
+# -------------------------------------------------------------------------- #
+
+# strict bash
+set -euo pipefail
+
+# debug
+# set -x
+# PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
+
+cd "$(dirname "${BASH_SOURCE[0]}")"  # nixpkgs root
+
+  # Inject the path to compare from the Nix expression
+
+  # Associative Arrays
+  declare -A samples=( @SAMPLES@ )
+  declare -A directRefs=( @DIRECT_REFS@ )
+  declare -A closures=( @CLOSURES@ )
+
+  # Path string
+  collectiveClosure=@COLLECTIVE_CLOSURE@
+
+echo >&2 Testing direct closures...
+for i in "${!samples[@]}"; do
+  echo >&2 Checking "$i" "${samples[$i]}" "${directRefs[$i]}"
+  diff -U3 \
+    <(sort <"${directRefs[$i]}") \
+    <(nix-store -q --references "${samples[$i]}" | sort)
+done
+
+echo >&2 Testing closure...
+for i in "${!samples[@]}"; do
+  echo >&2 Checking "$i" "${samples[$i]}" "${closures[$i]}"
+  diff -U3 \
+    <(sort <"${closures[$i]}") \
+    <(nix-store -q --requisites "${samples[$i]}" | sort)
+done
+
+echo >&2 Testing mixed closures...
+echo >&2 Checking all samples "(${samples[*]})" "$collectiveClosure"
+diff -U3 \
+  <(sort <"$collectiveClosure") \
+  <(nix-store -q --requisites "${samples[@]}" | sort)
+
+echo 'OK!'