nixos/install-grub: include child configs in grub menu
Add configs listed under the fine-tune subdirectory to the grub menu. Use specified configuration name for the entry if available.
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@ -407,6 +407,29 @@ addEntry("NixOS - Default", $defaultConfig);
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$conf .= "$extraEntries\n" unless $extraEntriesBeforeNixOS;
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# Find all the children of the current default configuration
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# Do not search for grand children
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my @links = sort (glob "$defaultConfig/fine-tune/*");
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foreach my $link (@links) {
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my $entryName = "";
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my $cfgName = readFile("$link/configuration-name");
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my $date = strftime("%F", localtime(lstat($link)->mtime));
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my $version =
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-e "$link/nixos-version"
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? readFile("$link/nixos-version")
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: basename((glob(dirname(Cwd::abs_path("$link/kernel")) . "/lib/modules/*"))[0]);
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if ($cfgName) {
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$entryName = $cfgName;
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} else {
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$entryName = "($date - $version)";
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}
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addEntry("NixOS - $entryName", $link);
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}
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my $grubBootPath = $grubBoot->path;
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# extraEntries could refer to @bootRoot@, which we have to substitute
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$conf =~ s/\@bootRoot\@/$grubBootPath/g;
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