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* Be able to cope with future changes to Upstart.

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svn path=/nixpkgs/trunk/; revision=15311
This commit is contained in:
Eelco Dolstra 2009-04-25 22:36:33 +00:00
parent ecd43e2bfe
commit f7454eae9c
1 changed files with 10 additions and 0 deletions
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10
pkgs/os-specific/linux/upstart/default.nix
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@ -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";