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Allow setting ssh:// pipe size

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Exposed for Hydra. We could make it fancier but with (a) new store
settings (b) switch to `ssh-ng://` both in the works, it doesn't seem
worth it.

(cherry picked from commit 94a7c34b2f)
This commit is contained in:
John Ericson 2025-02-16 20:01:03 -05:00 • committed by Mergify
parent 7112f8294c
commit fa7f0d6d07
2 changed files with 8 additions and 0 deletions
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3
src/libstore/legacy-ssh-store.cc
View file

@ -70,6 +70,9 @@ ref<LegacySSHStore::Connection> LegacySSHStore::openConnection()
command.push_back(remoteStore.get());
}
conn->sshConn = master.startCommand(std::move(command), std::list{extraSshArgs});
if (connPipeSize) {
conn->sshConn->trySetBufferSize(*connPipeSize);
}
conn->to = FdSink(conn->sshConn->in.get());
conn->from = FdSource(conn->sshConn->out.get());

5
src/libstore/legacy-ssh-store.hh
View file

@ -30,6 +30,11 @@ struct LegacySSHStoreConfig : virtual CommonSSHStoreConfig
*/
Strings extraSshArgs = {};
/**
* Exposed for hydra
*/
std::optional<size_t> connPipeSize;
const std::string name() override { return "SSH Store"; }
static std::set<std::string> uriSchemes() { return {"ssh"}; }