diff options
| author | Vincent Ambo <tazjin@google.com> | 2020-05-17T14·52+0100 |
|---|---|---|
| committer | Vincent Ambo <tazjin@google.com> | 2020-05-17T14·52+0100 |
| commit | 7994fd1d545cc5c876d6f21db7ddf9185d23dad6 (patch) | |
| tree | 32dd695785378c5b9c8be97fc583e9dfc62cb105 /third_party/nix/tests/gc-concurrent.sh | |
| parent | cf8cd640c1adf74a3706efbcb0ea4625da106fb2 (diff) | |
| parent | 90b3b31dc27f31e9b11653a636025d29ddb087a3 (diff) | |
Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10' r/724
git-subtree-dir: third_party/nix git-subtree-mainline: cf8cd640c1adf74a3706efbcb0ea4625da106fb2 git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10
Diffstat (limited to 'third_party/nix/tests/gc-concurrent.sh')
| -rw-r--r-- | third_party/nix/tests/gc-concurrent.sh | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/third_party/nix/tests/gc-concurrent.sh b/third_party/nix/tests/gc-concurrent.sh new file mode 100644 index 000000000000..d395930ca0dc --- /dev/null +++ b/third_party/nix/tests/gc-concurrent.sh @@ -0,0 +1,58 @@ +source common.sh + +clearStore + +drvPath1=$(nix-instantiate gc-concurrent.nix -A test1) +outPath1=$(nix-store -q $drvPath1) + +drvPath2=$(nix-instantiate gc-concurrent.nix -A test2) +outPath2=$(nix-store -q $drvPath2) + +drvPath3=$(nix-instantiate simple.nix) +outPath3=$(nix-store -r $drvPath3) + +(! test -e $outPath3.lock) +touch $outPath3.lock + +rm -f "$NIX_STATE_DIR"/gcroots/foo* +ln -s $drvPath2 "$NIX_STATE_DIR"/gcroots/foo +ln -s $outPath3 "$NIX_STATE_DIR"/gcroots/foo2 + +# Start build #1 in the background. It starts immediately. +nix-store -rvv "$drvPath1" & +pid1=$! + +# Start build #2 in the background after 10 seconds. +(sleep 10 && nix-store -rvv "$drvPath2") & +pid2=$! + +# Run the garbage collector while the build is running. +sleep 6 +nix-collect-garbage + +# Wait for build #1/#2 to finish. +echo waiting for pid $pid1 to finish... +wait $pid1 +echo waiting for pid $pid2 to finish... +wait $pid2 + +# Check that the root of build #1 and its dependencies haven't been +# deleted. The should not be deleted by the GC because they were +# being built during the GC. +cat $outPath1/foobar +cat $outPath1/input-2/bar + +# Check that build #2 has succeeded. It should succeed because the +# derivation is a GC root. +cat $outPath2/foobar + +rm -f "$NIX_STATE_DIR"/gcroots/foo* + +# The collector should have deleted lock files for paths that have +# been built previously. +(! test -e $outPath3.lock) + +# If we run the collector now, it should delete outPath1/2. +nix-collect-garbage +(! test -e $outPath1) +(! test -e $outPath2) |