lix-releng-staging/tests/optimise-store.sh
2017-11-20 17:50:49 +01:00

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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