nix-super/tests/functional/gc.sh
2024-10-30 08:27:06 -07:00

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#!/usr/bin/env bash
source common.sh
TODO_NixOS
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"