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| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2009-04-25 22:36:33 +0000 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2009-04-25 22:36:33 +0000 |
| commit | f7454eae9cc9255883dd5afb6beb945fb49737f2 (patch) | |
| tree | d9c9c7a611c15084aaa5dc6ae9f847f1b4ce7e27 /pkgs/os-specific/linux/upstart | |
| parent | ecd43e2bfe9bf845206da01c38c580bfae4660e2 (diff) | |
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* Be able to cope with future changes to Upstart.
svn path=/nixpkgs/trunk/; revision=15311
Diffstat (limited to 'pkgs/os-specific/linux/upstart')
| -rw-r--r-- | pkgs/os-specific/linux/upstart/default.nix | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/upstart/default.nix b/pkgs/os-specific/linux/upstart/default.nix index b35f9c036421..9f3a631bab34 100644 --- a/pkgs/os-specific/linux/upstart/default.nix +++ b/pkgs/os-specific/linux/upstart/default.nix @@ -14,6 +14,16 @@ stdenv.mkDerivation { preBuild = "export NIX_CFLAGS_COMPILE=\"$NIX_CFLAGS_COMPILE -DSHELL=\\\"$SHELL\\\"\""; + # The interface version prevents NixOS from switching to an + # incompatible Upstart at runtime. (Switching across reboots is + # fine, of course.) It should be increased whenever Upstart changes + # in a backwards-incompatible way. If the interface version of two + # Upstart builds is the same, then we can switch between them at + # runtime; otherwise we can't and we need to reboot. + passthru = { + interfaceVersion = 0; + }; + meta = { homepage = "http://upstart.ubuntu.com/"; description = "An event-based replacement for the /sbin/init daemon"; |