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gc-non-blocking.sh: Add explanation

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Also name the _NIX_TEST_GC_SYNC environment variables logically.
This commit is contained in:
Eelco Dolstra 2024-01-12 12:38:55 +01:00
parent 5703c31325
commit 3e23759834
2 changed files with 19 additions and 11 deletions
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10
src/libstore/gc.cc
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@ -511,7 +511,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
/* Synchronisation point to test ENOENT handling in
addTempRoot(), see tests/gc-non-blocking.sh. */
if (auto p = getEnv("_NIX_TEST_GC_SYNC_2"))
if (auto p = getEnv("_NIX_TEST_GC_SYNC_1"))
readFile(*p);
/* Start the server for receiving new roots. */
@ -637,6 +637,10 @@ 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)
@ -783,10 +787,6 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
}
};
/* Synchronisation point for testing, see tests/functional/gc-non-blocking.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) {