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build-remote.pl: Use ‘nix-store --serve’ on the remote side

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This makes things more efficient (we don't need to use an SSH master
connection, and we only start a single remote process) and gets rid of
locking issues (the remote nix-store process will keep inputs and
outputs locked as long as they're needed).

It also makes it more or less secure to connect directly to the root
account on the build machine, using a forced command
(e.g. ‘command="nix-store --serve --write"’). This bypasses the Nix
daemon and is therefore more efficient.

Also, don't call nix-store to import the output paths.
This commit is contained in:
Eelco Dolstra 2014-07-11 16:02:19 +02:00
parent b8f24f2535
commit a5c6347ff0
9 changed files with 185 additions and 115 deletions
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2
perl/lib/Nix/Store.pm
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@ -15,7 +15,7 @@ our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
our @EXPORT = qw(
isValidPath queryReferences queryPathInfo queryDeriver queryPathHash
queryPathFromHashPart
topoSortPaths computeFSClosure followLinksToStorePath exportPaths
topoSortPaths computeFSClosure followLinksToStorePath exportPaths importPaths
hashPath hashFile hashString
addToStore makeFixedOutputPath
derivationFromPath