From 2142f47c0606aac6f0b66bc3fe25fe79fc85e7d8 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Sun, 14 Dec 2014 03:19:15 +0100 Subject: Add section on SSH substituter --- doc/manual/packages/sharing-packages.xml | 43 ++------------------------------ 1 file changed, 2 insertions(+), 41 deletions(-) (limited to 'doc/manual/packages/sharing-packages.xml') diff --git a/doc/manual/packages/sharing-packages.xml b/doc/manual/packages/sharing-packages.xml index 8fab15f7ef2d..586363b03a3c 100644 --- a/doc/manual/packages/sharing-packages.xml +++ b/doc/manual/packages/sharing-packages.xml @@ -12,46 +12,7 @@ another machine already has some or all of those packages or their dependencies. In that case there are mechanisms to quickly copy packages between machines. -The command nix-copy-closure copies a Nix -store path along with all its dependencies to or from another machine -via the SSH protocol. It doesn’t copy store paths that are already -present on the target machine. For example, the following command -copies Firefox with all its dependencies: - - -$ nix-copy-closure --to alice@itchy.example.org $(type -p firefox) - -See for details. - -With nix-store ---export and nix-store --import you can -write the closure of a store path (that is, the path and all its -dependencies) to a file, and then unpack that file into another Nix -store. For example, - - -$ nix-store --export $(nix-store -qR $(type -p firefox)) > firefox.closure - -writes the closure of Firefox to a file. You can then copy this file -to another machine and install the closure: - - -$ nix-store --import < firefox.closure - -Any store paths in the closure that are already present in the target -store are ignored. It is also possible to pipe the export into -another command, e.g. to copy and install a closure directly to/on -another machine: - - -$ nix-store --export $(nix-store -qR $(type -p firefox)) | bzip2 | \ - ssh alice@itchy.example.org "bunzip2 | nix-store --import" - -But note that nix-copy-closure is generally more -efficient in this example because it only copies paths that are not -already present in the target Nix store. - + + -- cgit 1.4.1