diff options
Diffstat (limited to 'third_party/nix/tests/optimise-store.sh')
| -rw-r--r-- | third_party/nix/tests/optimise-store.sh | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/nix/tests/optimise-store.sh b/third_party/nix/tests/optimise-store.sh new file mode 100644 index 0000000000..61e3df2f9f --- /dev/null +++ b/third_party/nix/tests/optimise-store.sh @@ -0,0 +1,43 @@ +source common.sh + +clearStore + +outPath1=$(echo 'with import ./config.nix; mkDerivation { name = "foo1"; builder = builtins.toFile "builder" "mkdir $out; echo hello > $out/foo"; }' | nix-build - --no-out-link --auto-optimise-store) +outPath2=$(echo 'with import ./config.nix; mkDerivation { name = "foo2"; builder = builtins.toFile "builder" "mkdir $out; echo hello > $out/foo"; }' | nix-build - --no-out-link --auto-optimise-store) + +inode1="$(stat --format=%i $outPath1/foo)" +inode2="$(stat --format=%i $outPath2/foo)" +if [ "$inode1" != "$inode2" ]; then + echo "inodes do not match" + exit 1 +fi + +nlink="$(stat --format=%h $outPath1/foo)" +if [ "$nlink" != 3 ]; then + echo "link count incorrect" + exit 1 +fi + +outPath3=$(echo 'with import ./config.nix; mkDerivation { name = "foo3"; builder = builtins.toFile "builder" "mkdir $out; echo hello > $out/foo"; }' | nix-build - --no-out-link) + +inode3="$(stat --format=%i $outPath3/foo)" +if [ "$inode1" = "$inode3" ]; then + echo "inodes match unexpectedly" + exit 1 +fi + +nix-store --optimise + +inode1="$(stat --format=%i $outPath1/foo)" +inode3="$(stat --format=%i $outPath3/foo)" +if [ "$inode1" != "$inode3" ]; then + echo "inodes do not match" + exit 1 +fi + +nix-store --gc + +if [ -n "$(ls $NIX_STORE_DIR/.links)" ]; then + echo ".links directory not empty after GC" + exit 1 +fi |