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Merge remote-tracking branch 'origin/5712-ca-drvs-with-old-daemon'

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This commit is contained in:
Eelco Dolstra 2021-12-07 22:06:22 +01:00
parent 853ef1304c fa58bff1ab
commit 21206caf13
1 changed files with 8 additions and 0 deletions
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8
src/libstore/remote-store.cc
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@ -684,6 +684,14 @@ void RemoteStore::queryRealisationUncached(const DrvOutput & id,
Callback<std::shared_ptr<const Realisation>> callback) noexcept
{
auto conn(getConnection());
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 27) {
warn("The daemon is too old for content-addressed derivations. I’ll do what I can");
try {
callback(nullptr);
} catch (...) { return callback.rethrow(); }
}
conn->to << wopQueryRealisation;
conn->to << id.to_string();
conn.processStderr();