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authorShea Levy <shea@shealevy.com>2014-02-08T05·05-0500
committerShea Levy <shea@shealevy.com>2014-02-08T05·13-0500
commit64e23d0a38f316a07cef0960d0ed74a450214283 (patch)
tree5c1e75efbe703e4163f087cb05356bcaa27a9999 /perl
parent5671188eb2822b7392a6affa5ebe2f1eb8f521a0 (diff)
Add download-via-ssh substituter
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>
Diffstat (limited to 'perl')
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