grub: Make assertion lazier
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@ -237,13 +237,14 @@ in
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boot.loader.grub.devices = optional (cfg.device != "") cfg.device;
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system.build = mkAssert (cfg.devices != [])
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"You must set the ‘boot.loader.grub.device’ option to make the system bootable."
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{ installBootLoader =
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system.build.installBootLoader =
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if cfg.devices == [] then
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throw "You must set the ‘boot.loader.grub.device’ option to make the system bootable."
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else
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"PERL5LIB=${makePerlPath [ pkgs.perlPackages.XMLLibXML pkgs.perlPackages.XMLSAX ]} " +
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"${pkgs.perl}/bin/perl ${./install-grub.pl} ${grubConfig}";
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inherit grub;
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};
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system.build.grub = grub;
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# Common attribute for boot loaders so only one of them can be
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# set at once.
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