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Merge pull request #245739 from dev-null-undefined/grub-specialisations

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nixos/grub: Add submenu for each generation with specialisation
This commit is contained in:
Samuel Dionne-Riel 2023-08-21 23:03:59 -04:00 committed by GitHub
commit faa0c27293
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 41 additions and 26 deletions
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67
nixos/modules/system/boot/loader/grub/install-grub.pl
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@ -516,38 +516,53 @@ sub addEntry {
$conf .= "}\n\n";
}
sub addGeneration {
my ($name, $nameSuffix, $path, $options, $current) = @_;
# Do not search for grand children
my @links = sort (glob "$path/specialisation/*");
if ($current != 1 && scalar(@links) != 0) {
$conf .= "submenu \"> $name$nameSuffix\" --class submenu {\n";
}
addEntry("$name" . (scalar(@links) == 0 ? "" : " - Default") . $nameSuffix, $path, $options, $current);
# Find all the children of the current default configuration
# Do not search for grand children
foreach my $link (@links) {
my $entryName = "";
my $cfgName = readFile("$link/configuration-name");
my $date = strftime("%F", localtime(lstat($link)->mtime));
my $version =
-e "$link/nixos-version"
? readFile("$link/nixos-version")
: basename((glob(dirname(Cwd::abs_path("$link/kernel")) . "/lib/modules/*"))[0]);
if ($cfgName) {
$entryName = $cfgName;
} else {
my $linkname = basename($link);
$entryName = "($linkname - $date - $version)";
}
addEntry("$name - $entryName", $link, "", 1);
}
if ($current != 1 && scalar(@links) != 0) {
$conf .= "}\n";
}
}
# Add default entries.
$conf .= "$extraEntries\n" if $extraEntriesBeforeNixOS;
addEntry("@distroName@ - Default", $defaultConfig, $entryOptions, 1);
addGeneration("@distroName@", "", $defaultConfig, $entryOptions, 1);
$conf .= "$extraEntries\n" unless $extraEntriesBeforeNixOS;
# Find all the children of the current default configuration
# Do not search for grand children
my @links = sort (glob "$defaultConfig/specialisation/*");
foreach my $link (@links) {
my $entryName = "";
my $cfgName = readFile("$link/configuration-name");
my $date = strftime("%F", localtime(lstat($link)->mtime));
my $version =
-e "$link/nixos-version"
? readFile("$link/nixos-version")
: basename((glob(dirname(Cwd::abs_path("$link/kernel")) . "/lib/modules/*"))[0]);
if ($cfgName) {
$entryName = $cfgName;
} else {
my $linkname = basename($link);
$entryName = "($linkname - $date - $version)";
}
addEntry("@distroName@ - $entryName", $link, "", 1);
}
my $grubBootPath = $grubBoot->path;
# extraEntries could refer to @bootRoot@, which we have to substitute
$conf =~ s/\@bootRoot\@/$grubBootPath/g;
@ -577,7 +592,7 @@ sub addProfile {
-e "$link/nixos-version"
? readFile("$link/nixos-version")
: basename((glob(dirname(Cwd::abs_path("$link/kernel")) . "/lib/modules/*"))[0]);
addEntry("@distroName@ - Configuration " . nrFromGen($link) . " ($date - $version)", $link, $subEntryOptions, 0);
addGeneration("@distroName@ - Configuration " . nrFromGen($link), " ($date - $version)", $link, $subEntryOptions, 0);
}
$conf .= "}\n";