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2014-09-17Settings: Add bool get()Eelco Dolstra
2014-08-20Use proper quotes everywhereEelco Dolstra
2014-08-17Fix download-via-sshEelco Dolstra
http://hydra.nixos.org/build/13286020
2014-08-13Refactor option handlingEelco Dolstra
2014-08-04Move some options out of globalsEelco Dolstra
2014-07-25nix-daemon: Pass on the user's $SSH_AUTH_SOCK to the SSH substituterEelco Dolstra
2014-07-10nix-copy-closure -s: Do substitutions via ‘nix-store --serve’Eelco Dolstra
This means we no longer need an SSH master connection, since we only execute a single command on the remote host.
2014-07-10Refactoring: Move all fork handling into a higher-order functionEelco Dolstra
C++11 lambdas ftw.
2014-07-10nix-copy-closure: Fix race conditionEelco Dolstra
There is a long-standing race condition when copying a closure to a remote machine, particularly affecting build-remote.pl: the client first asks the remote machine which paths it already has, then copies over the missing paths. If the garbage collector kicks in on the remote machine between the first and second step, the already-present paths may be deleted. The missing paths may then refer to deleted paths, causing nix-copy-closure to fail. The client now performs both steps using a single remote Nix call (using ‘nix-store --serve’), locking all paths in the closure while querying. I changed the --serve protocol a bit (getting rid of QueryCommand), so this breaks the SSH substituter from older versions. But it was marked experimental anyway. Fixes #141.
2014-02-26Simplify getting use-ssh-substituter from untrusted usersEelco Dolstra
2014-02-26Add use-ssh-substituter setting.Shea Levy
It defaults to false and can be overridden by RemoteStore. Untested currently, just quickly put this together
2014-02-14download-via-ssh: Use readStorePathEelco Dolstra
2014-02-14download-via-ssh: Show where we're downloading fromEelco Dolstra
2014-02-14Minor style fixesEelco Dolstra
2014-02-12Remove relic of old codeShea Levy
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-12error messages start in lowercaseShea Levy
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-12Remove using declarations from download-via-sshShea Levy
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-10nix-store --serve: Use a versioned protocolShea Levy
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-10Clarify commentShea Levy
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08Add download-via-ssh substituterShea Levy
This substituter connects to a remote host, runs nix-store --serve there, and then forwards substituter commands on to the remote host and sends their results to the calling program. The ssh-substituter-hosts option can be specified as a list of hosts to try. This is an initial implementation and, while it works, it has some limitations: * Only the first host is used * There is no caching of query results (all queries are sent to the remote machine) * There is no informative output (such as progress bars) * Some failure modes may cause unhelpful error messages * There is no concept of trusted-ssh-substituter-hosts Signed-off-by: Shea Levy <shea@shealevy.com>