source common.sh clearStore drvPath=$(nix-instantiate dependencies.nix) outPath=$(nix-store -rvv "$drvPath") # Set a GC root. rm -f "$NIX_STATE_DIR"/gcroots/foo ln -sf $outPath "$NIX_STATE_DIR"/gcroots/foo [ "$(nix-store -q --roots $outPath)" = "$NIX_STATE_DIR/gcroots/foo -> $outPath" ] nix-store --gc --print-roots | grep $outPath nix-store --gc --print-live | grep $outPath nix-store --gc --print-dead | grep $drvPath if nix-store --gc --print-dead | grep -E $outPath$; then false; fi nix-store --gc --print-dead inUse=$(readLink $outPath/reference-to-input-2) if nix-store --delete $inUse; then false; fi test -e $inUse if nix-store --delete $outPath; then false; fi test -e $outPath for i in $NIX_STORE_DIR/*; do if [[ $i =~ /trash ]]; then continue; fi # compat with old daemon touch $i.lock touch $i.chroot done nix-collect-garbage # Check that the root and its dependencies haven't been deleted. cat $outPath/foobar cat $outPath/reference-to-input-2/bar # Check that the derivation has been GC'd. if test -e $drvPath; then false; fi rm "$NIX_STATE_DIR"/gcroots/foo nix-collect-garbage # Check that the output has been GC'd. if test -e $outPath/foobar; then false; fi # Check that the store is empty. rmdir $NIX_STORE_DIR/.links rmdir $NIX_STORE_DIR ## Test `nix-collect-garbage -d` testCollectGarbageD () { clearProfiles # Run two `nix-env` commands, should create two generations of # the profile nix-env -f ./user-envs.nix -i foo-1.0 "$@" nix-env -f ./user-envs.nix -i foo-2.0pre1 "$@" [[ $(nix-env --list-generations "$@" | wc -l) -eq 2 ]] # Clear the profile history. There should be only one generation # left nix-collect-garbage -d [[ $(nix-env --list-generations "$@" | wc -l) -eq 1 ]] } # `nix-env` doesn't work with CA derivations, so let's ignore that bit if we're # using them if [[ -z "${NIX_TESTS_CA_BY_DEFAULT:-}" ]]; then testCollectGarbageD # Run the same test, but forcing the profiles an arbitrary location. rm ~/.nix-profile ln -s $TEST_ROOT/blah ~/.nix-profile testCollectGarbageD # Run the same test, but forcing the profiles at their legacy location under # /nix/var/nix. # # Note that we *don't* use the default profile; `nix-collect-garbage` will # need to check the legacy conditional unconditionally not just follow # `~/.nix-profile` to pass this test. # # Regression test for #8294 rm ~/.nix-profile testCollectGarbageD --profile "$NIX_STATE_DIR/profiles/per-user/me" fi