source common.sh clearStore outPath1=$(echo 'with import ./config.nix; mkDerivation { name = "foo1"; builder = builtins.toFile "builder" "mkdir $out; echo hello > $out/foo"; }' | nix-build - --no-out-link --option auto-optimise-store true) outPath2=$(echo 'with import ./config.nix; mkDerivation { name = "foo2"; builder = builtins.toFile "builder" "mkdir $out; echo hello > $out/foo"; }' | nix-build - --no-out-link --option auto-optimise-store true) inode1="$(perl -e "print ((lstat('$outPath1/foo'))[1])")" inode2="$(perl -e "print ((lstat('$outPath2/foo'))[1])")" if [ "$inode1" != "$inode2" ]; then echo "inodes do not match" exit 1 fi nlink="$(perl -e "print ((lstat('$outPath1/foo'))[3])")" if [ "$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 > $out/foo"; }' | nix-build - --no-out-link) inode3="$(perl -e "print ((lstat('$outPath3/foo'))[1])")" if [ "$inode1" = "$inode3" ]; then echo "inodes match unexpectedly" exit 1 fi nix-store --optimise inode1="$(perl -e "print ((lstat('$outPath1/foo'))[1])")" inode3="$(perl -e "print ((lstat('$outPath3/foo'))[1])")" if [ "$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