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Address PR feedback on #6694

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This commit is contained in:
Andrew Brooks 2022-09-12 11:33:23 -05:00
parent 84fe75a12a
commit 565d888e0f
2 changed files with 3 additions and 5 deletions
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5
src/libstore/gc.cc
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@ -622,9 +622,8 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
/* There may be temp directories in the store that are still in use
by another process. We need to be sure that we can acquire an
exclusive lock before deleting them. */
AutoCloseFD tmpDirFd;
if (baseName.rfind("add-", 0) == 0) {
tmpDirFd = open(realPath.c_str(), O_RDONLY | O_DIRECTORY);
if (baseName.find("tmp-", 0) == 0) {
AutoCloseFD tmpDirFd = open(realPath.c_str(), O_RDONLY | O_DIRECTORY);
if (tmpDirFd.get() == -1 || !lockFile(tmpDirFd.get(), ltWrite, false)) {
debug("skipping locked tempdir '%s'", realPath);
return;

3
src/libstore/local-store.cc
View file

@ -1433,7 +1433,6 @@ StorePath LocalStore::addToStoreFromDump(Source & source0, std::string_view name
} else {
/* Move the temporary path we restored above. */
moveFile(tempPath, realPath);
tempDirFd.close();
}
/* For computing the nar hash. In recursive SHA-256 mode, this
@ -1520,7 +1519,7 @@ std::pair<Path, AutoCloseFD> LocalStore::createTempDirInStore()
/* There is a slight possibility that `tmpDir' gets deleted by
the GC between createTempDir() and when we acquire a lock on it.
We'll repeat until 'tmpDir' exists and we've locked it. */
tmpDirFn = createTempDir(realStoreDir, "add");
tmpDirFn = createTempDir(realStoreDir, "tmp");
tmpDirFd = open(tmpDirFn.c_str(), O_RDONLY | O_DIRECTORY);
if (tmpDirFd.get() < 0) {
continue;