Linus Heckemann
e753fcb414
Previously, paths not being deleted by gcDeleteSpecific would result in (a) hardlinks not being cleaned up, and (b) statistics not being reported correctly. By throwing the error later, we fix both of these problems. Change-Id: I8019f3e10d9f22e81ea87bb26b77f04ebc888a19
83 lines
2.3 KiB
Bash
83 lines
2.3 KiB
Bash
source common.sh
|
|
|
|
clearStore
|
|
|
|
createAndRootPaths() {
|
|
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
|
|
}
|
|
|
|
createAndRootPaths
|
|
|
|
[ "$(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
|
|
|
|
input2=$(readLink $outPath/reference-to-input-2)
|
|
if nix-store --delete $input2; then false; fi
|
|
test -e $input2
|
|
|
|
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
|
|
|
|
# Deleting the dependency should now be possible, and delete the referrer as well
|
|
nix-store --delete $input2
|
|
! test -e $outPath
|
|
! test -e $input2
|
|
|
|
createAndRootPaths
|
|
rm "$NIX_STATE_DIR"/gcroots/foo
|
|
nix-collect-garbage
|
|
|
|
# Check that the store is empty.
|
|
rmdir $NIX_STORE_DIR/.links
|
|
rmdir $NIX_STORE_DIR
|
|
|
|
createAndRootPaths
|
|
input0=$(< $outPath/reference-to-input-2/input0)
|
|
input2=$(readLink $outPath/reference-to-input-2)
|
|
fodDrv=$(nix-store -qR $drvPath | grep fod-input.drv)
|
|
fodOut=$(nix-store -q --outputs $fodDrv)
|
|
# path is still live but command should still succeed because of --skip-live
|
|
nix-store --delete --skip-live $(readLink $outPath/reference-to-input-2)
|
|
|
|
rm "$NIX_STATE_DIR"/gcroots/foo
|
|
# with the dependent unrooted, we should be able to remove input2...
|
|
nix-store --delete --delete-closure $input2 > delete-output
|
|
# which should remove input0, since only input2 and top depended on it and we passed --delete-closure
|
|
! test -e $input0
|
|
# but fod should be unaffected, since it's not part of input-2's closure
|
|
test -e $fodOut
|
|
# and stats should be reported correctly
|
|
grep "0.10 MiB freed$" delete-output
|
|
test -z "$(grep "0 paths deleted" delete-output)"
|
|
|
|
|
|
nix-collect-garbage
|