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-rw-r--r--tests/guix-pack.sh4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/guix-pack.sh b/tests/guix-pack.sh
index 0feae6d1e8..cf4e4ca4f9 100644
--- a/tests/guix-pack.sh
+++ b/tests/guix-pack.sh
@@ -36,6 +36,10 @@ export GUIX_BUILD_OPTIONS
 test_directory="`mktemp -d`"
 trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT
 
+# Compute the derivation of a pack.
+drv="`guix pack coreutils -d --no-grafts`"
+guix gc -R "$drv" | grep "`guix build coreutils -d --no-grafts`"
+
 # Build a tarball with no compression.
 guix pack --compression=none --bootstrap guile-bootstrap