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Merge "libfetchers: fallback to memory SQLite if fs IO fails" into main

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Qyriad 2024-05-22 21:17:46 +00:00 committed by Gerrit Code Review
parent dcc7ea5498 6881476232
commit 06c1375e52
1 changed files with 10 additions and 1 deletions
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11
src/libfetchers/cache.cc
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@ -34,7 +34,16 @@ struct CacheImpl : Cache
auto state(_state.lock());
auto dbPath = getCacheDir() + "/nix/fetcher-cache-v1.sqlite";
createDirs(dirOf(dbPath));
// It would be silly to fail fetcher operations if e.g. the user has no
// XDG_CACHE_HOME and their HOME directory doesn't exist.
// We'll warn the user if that happens, but fallback to an in-memory
// backend for the SQLite database.
try {
createDirs(dirOf(dbPath));
} catch (SysError const & ex) {
warn("ignoring error initializing Lix fetcher cache: %s", ex.what());
dbPath = ":memory:";
}
state->db = SQLite(dbPath);
state->db.isCache();