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Merge remote-tracking branch 'upstream/master' into overlayfs-store

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This commit is contained in:
John Ericson 2024-02-01 11:07:47 -05:00
commit 31881d651a
378 changed files with 9552 additions and 4741 deletions
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24
src/libstore/gc.cc
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@ -149,11 +149,12 @@ void LocalStore::addTempRoot(const StorePath & path)
try {
nix::connect(fdRootsSocket->get(), socketPath);
} catch (SysError & e) {
/* The garbage collector may have exited, so we need to
restart. */
if (e.errNo == ECONNREFUSED) {
debug("GC socket connection refused");
/* The garbage collector may have exited or not
created the socket yet, so we need to restart. */
if (e.errNo == ECONNREFUSED || e.errNo == ENOENT) {
debug("GC socket connection refused: %s", e.msg());
fdRootsSocket->close();
std::this_thread::sleep_for(std::chrono::milliseconds(100));
goto restart;
}
throw;
@ -413,7 +414,7 @@ void LocalStore::findRuntimeRoots(Roots & roots, bool censor)
auto env_end = std::sregex_iterator{};
for (auto i = std::sregex_iterator{envString.begin(), envString.end(), storePathRegex}; i != env_end; ++i)
unchecked[i->str()].emplace(envFile);
} catch (SysError & e) {
} catch (SystemError & e) {
if (errno == ENOENT || errno == EACCES || errno == ESRCH)
continue;
throw;
@ -509,6 +510,11 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
auto fdGCLock = openGCLock();
FdLock gcLock(fdGCLock.get(), ltWrite, true, "waiting for the big garbage collector lock...");
/* Synchronisation point to test ENOENT handling in
addTempRoot(), see tests/gc-non-blocking.sh. */
if (auto p = getEnv("_NIX_TEST_GC_SYNC_1"))
readFile(*p);
/* Start the server for receiving new roots. */
auto socketPath = stateDir.get() + gcSocketPath;
createDirs(dirOf(socketPath));
@ -632,6 +638,10 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
roots.insert(root.first);
}
/* Synchronisation point for testing, see tests/functional/gc-non-blocking.sh. */
if (auto p = getEnv("_NIX_TEST_GC_SYNC_2"))
readFile(*p);
/* Helper function that deletes a path from the store and throws
GCLimitReached if we've deleted enough garbage. */
auto deleteFromStore = [&](std::string_view baseName)
@ -779,10 +789,6 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
}
};
/* Synchronisation point for testing, see tests/functional/gc-concurrent.sh. */
if (auto p = getEnv("_NIX_TEST_GC_SYNC"))
readFile(*p);
/* Either delete all garbage paths, or just the specified
paths (for gcDeleteSpecific). */
if (options.action == GCOptions::gcDeleteSpecific) {