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diff --git a/tests/guix-pack.sh b/tests/guix-pack.sh
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+++ b/tests/guix-pack.sh
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+# GNU Guix --- Functional package management for GNU
+# Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
+#
+# This file is part of GNU Guix.
+#
+# GNU Guix is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GNU Guix is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+#
+# Test the `guix pack' command-line utility.
+#
+
+# A network connection is required to build %bootstrap-coreutils&co,
+# which is required to run these tests with the --bootstrap option.
+if ! guile -c '(getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)' 2> /dev/null; then
+    exit 77
+fi
+
+guix pack --version
+
+# Use --no-substitutes because we need to verify we can do this ourselves.
+GUIX_BUILD_OPTIONS="--no-substitutes"
+export GUIX_BUILD_OPTIONS
+
+# Build a tarball with no compression.
+guix pack --compression=none --bootstrap guile-bootstrap
+
+# Build a tarball (with compression).
+guix pack --bootstrap guile-bootstrap
+
+# Build a tarball with a symlink.
+the_pack="`guix pack --bootstrap -S /opt/gnu/bin=bin guile-bootstrap`"
+
+# Try to extract it.
+test_directory="`mktemp -d`"
+trap 'rm -rf "$test_directory"' EXIT
+cd "$test_directory"
+tar -xf "$the_pack"
+test -x opt/gnu/bin/guile
+
+is_available () {
+    # Use the "type" shell builtin to see if the program is on PATH.
+    type "$1" > /dev/null
+}
+
+if is_available chroot && is_available unshare; then
+    # Verify we can use what we built.
+    unshare -r chroot . /opt/gnu/bin/guile --version
+    cd -
+else
+    echo "warning: skipped some verification because chroot or unshare is unavailable" >&2
+fi
+
+# For the tests that build Docker images below, we currently have to use
+# --dry-run because if we don't, there are only two possible cases:
+#
+#     Case 1: We do not use --bootstrap, and the build takes hours to finish
+#             because it needs to build tar etc.
+#
+#     Case 2: We use --bootstrap, and the build fails because the bootstrap
+#             Guile cannot dlopen shared libraries.  Not to mention the fact
+#             that we would still have to build many non-bootstrap inputs
+#             (e.g., guile-json) in order to create the Docker image.
+
+# Build a Docker image.
+guix pack --dry-run --bootstrap -f docker guile-bootstrap
+
+# Build a Docker image with a symlink.
+guix pack --dry-run --bootstrap -f docker -S /opt/gnu=/ guile-bootstrap
+
+# Build a tarball pack of cross-compiled software.  Use coreutils because
+# guile-bootstrap is not intended to be cross-compiled.
+guix pack --dry-run --bootstrap --target=arm-unknown-linux-gnueabihf coreutils