mirror of
https://github.com/NixOS/nix.git
synced 2025-11-08 19:46:02 +01:00
54 lines
1.3 KiB
Bash
Executable file
54 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
|
|
# Test whether the collector is non-blocking, i.e. a build can run in
|
|
# parallel with it.
|
|
source common.sh
|
|
|
|
TODO_NixOS
|
|
|
|
needLocalStore "the GC test needs a synchronisation point"
|
|
|
|
clearStore
|
|
|
|
# This FIFO is read just after the global GC lock has been acquired,
|
|
# but before the root server is started.
|
|
fifo1=$TEST_ROOT/test2.fifo
|
|
mkfifo "$fifo1"
|
|
|
|
# This FIFO is read just after the roots have been read, but before
|
|
# the actual GC starts.
|
|
fifo2=$TEST_ROOT/test.fifo
|
|
mkfifo "$fifo2"
|
|
|
|
dummy=$(nix store add-path ./simple.nix)
|
|
|
|
running=$TEST_ROOT/running
|
|
touch "$running"
|
|
|
|
# Start GC.
|
|
(_NIX_TEST_GC_SYNC_1=$fifo1 _NIX_TEST_GC_SYNC_2=$fifo2 nix-store --gc -vvvvv; rm "$running") &
|
|
pid=$!
|
|
|
|
sleep 2
|
|
|
|
# Delay the start of the root server to check that the build below
|
|
# correctly handles ENOENT when connecting to the root server.
|
|
(sleep 1; echo > "$fifo1") &
|
|
pid2=$!
|
|
|
|
# Start a build. This should not be blocked by the GC in progress.
|
|
outPath=$(nix-build --max-silent-time 60 -o "$TEST_ROOT/result" -E "
|
|
with import ${config_nix};
|
|
mkDerivation {
|
|
name = \"non-blocking\";
|
|
buildCommand = \"set -x; test -e $running; mkdir \$out; echo > $fifo2\";
|
|
}")
|
|
|
|
wait $pid
|
|
wait $pid2
|
|
|
|
# shellcheck disable=SC2235
|
|
(! test -e "$running")
|
|
# shellcheck disable=SC2235
|
|
(! test -e "$dummy")
|
|
test -e "$outPath"
|