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#!/usr/bin/env bash
source common.sh
TODO_NixOS
clearStore
clearCache
# nix shell is an alias for nix env shell. We'll use the shorter form in the rest of the test.
nix env shell -f shell-hello.nix hello -c hello | grep 'Hello World'
nix shell -f shell-hello.nix hello -c hello | grep 'Hello World'
nix shell -f shell-hello.nix hello -c hello NixOS | grep 'Hello NixOS'
# Test output selection.
nix shell -f shell-hello.nix hello^dev -c hello2 | grep 'Hello2'
nix shell -f shell-hello.nix 'hello^*' -c hello2 | grep 'Hello2'
# Test output paths that are a symlink.
nix shell -f shell-hello.nix hello-symlink -c hello | grep 'Hello World'
# Test that symlinks outside of the store don't work.
expect 1 nix shell -f shell-hello.nix forbidden-symlink -c hello 2>&1 | grepQuiet "is not in the Nix store"
# Test that we're not setting any more environment variables than necessary.
# For instance, we might set an environment variable temporarily to affect some
# initialization or whatnot, but this must not leak into the environment of the
# command being run.
env > "$TEST_ROOT/expected-env"
nix shell -f shell-hello.nix hello -c env > "$TEST_ROOT/actual-env"
# Remove/reset variables we expect to be different.
# - PATH is modified by nix shell
# - we unset TMPDIR on macOS if it contains /var/folders
# - _ is set by bash and is expectedf to differ because it contains the original command
# - __CF_USER_TEXT_ENCODING is set by macOS and is beyond our control
sed -i \
-e 's/PATH=.*/PATH=.../' \
-e 's/_=.*/_=.../' \
-e '/^TMPDIR=\/var\/folders\/.*/d' \
-e '/^__CF_USER_TEXT_ENCODING=.*$/d' \
"$TEST_ROOT/expected-env" "$TEST_ROOT/actual-env"
sort "$TEST_ROOT/expected-env" > "$TEST_ROOT/expected-env.sorted"
sort "$TEST_ROOT/actual-env" > "$TEST_ROOT/actual-env.sorted"
diff "$TEST_ROOT/expected-env.sorted" "$TEST_ROOT/actual-env.sorted"
if isDaemonNewer "2.20.0pre20231220"; then
# Test that command line attribute ordering is reflected in the PATH
# https://github.com/NixOS/nix/issues/7905
nix shell -f shell-hello.nix hello salve-mundi -c hello | grep 'Hello World'
nix shell -f shell-hello.nix salve-mundi hello -c hello | grep 'Salve Mundi'
fi
requireSandboxSupport
requiresUnprivilegedUserNamespaces
chmod -R u+w "$TEST_ROOT/store0" || true
rm -rf "$TEST_ROOT/store0"
clearStore
path=$(nix eval --raw -f shell-hello.nix hello)
# Note: we need the sandbox paths to ensure that the shell is
# visible in the sandbox.
nix shell --sandbox-build-dir /build-tmp \
--sandbox-paths '/nix? /bin? /lib? /lib64? /usr?' \
--store "$TEST_ROOT/store0" -f shell-hello.nix hello -c hello | grep 'Hello World'
path2=$(nix shell --sandbox-paths '/nix? /bin? /lib? /lib64? /usr?' --store "$TEST_ROOT/store0" -f shell-hello.nix hello -c "$SHELL" -c 'type -p hello')
[[ "$path/bin/hello" = "$path2" ]]
[[ -e $TEST_ROOT/store0/nix/store/$(basename "$path")/bin/hello ]]
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