Support bundling nixos configurations
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parent
aae8892a4a
commit
079d222614
105
default.nix
105
default.nix
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@ -3,8 +3,11 @@ let
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inherit (builtins)
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genericClosure
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hasAttr
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head
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length
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map
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match
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tail
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;
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inherit (pkgs) runCommandLocal writeText;
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inherit (pkgs.lib)
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@ -19,18 +22,32 @@ let
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;
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in
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rec {
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drvOutputs = drv: if hasAttr "outputs" drv then map (out: drv.${out}) drv.outputs else [ drv ];
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# Map a drv or list of drvs to a list of output drvs
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drvOutputs = drv:
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if isList drv then
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concatMap drvOutputs drv
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else if hasAttr "outputs" drv then
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map (out: drv.${out}) drv.outputs
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else [ drv ];
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# Map a drv or list of drvs to the outputs of referenced derivations
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drvDeps =
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drv:
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mapAttrsToList (
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k: v:
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if isDerivation v then
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(drvOutputs v)
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else if isList v then
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concatMap drvOutputs (filter isDerivation v)
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else
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[ ]
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) drv;
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if isList drv then
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concatMap drvDeps drv
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else
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mapAttrsToList (
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k: v:
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if isDerivation v then
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(drvOutputs v)
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else if isList v then
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concatMap drvOutputs (filter isDerivation v)
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else
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[ ]
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) drv;
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# Get the reference closure of a derivation or list of derivations
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# This may miss dependencies that are only in-closure from string context
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drvClosure =
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let
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wrap = drv: {
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@ -43,50 +60,58 @@ rec {
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startSet = map wrap (drvOutputs drv);
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operator = obj: map wrap (concatLists (drvDeps obj.drv.drvAttrs));
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});
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maintainable = drv: hasAttr "meta" drv && hasAttr "maintainers" drv.meta;
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drvMaintainers = drv: if maintainable drv then drv.meta.maintainers else [ ];
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nobodyMaintains =
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drv: hasAttr "meta" drv && hasAttr "maintainers" drv.meta && (length drv.meta.maintainers) == 0;
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# Construct a link to a derivation's source in github:NixOS/nixpkgs
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drvSource = drv:
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let
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parts = match "/nix/store/[^/]+/(.*):([0-9]*)" drv.meta.position;
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in
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if hasAttr "meta" drv && hasAttr "position" drv.meta then
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"https://github.com/NixOS/nixpkgs/blob/master/${head parts}#L${head (tail parts)}"
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else
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"";
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mainInfo = drv: {
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name = drv.name;
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maintainers = map (main: toString main.github) (drvMaintainers drv);
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source = drvSource drv;
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};
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stringJoin = objToString: objs: writeText "txt" (concatLines (map objToString objs));
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closureInfo = drv: map mainInfo (filter maintainable (drvClosure drv));
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allMaintainers =
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drv:
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let
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closure = drvClosure drv;
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maintainers = concatMap drvMaintainers closure;
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mainToString = m: "${m.name} (${m.email})";
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info = closureInfo drv;
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infoToString = info: "${info.name} ${concatStringsSep "," info.maintainers}";
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in
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runCommandLocal "uniq-maintainers.txt" { } ''
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<${stringJoin mainToString maintainers} sort | uniq -c > $out
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runCommandLocal "all-maintainers.txt" { } ''
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<${stringJoin infoToString info} sort -u | ${pkgs.unixtools.column}/bin/column -t > $out
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'';
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noMaintainers =
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drv:
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let
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closure = drvClosure drv;
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unmaintained = filter nobodyMaintains closure;
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drvToString = drv: "${drv.name} ${drv.meta.position}";
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info = closureInfo drv;
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unmaintained = filter (info: (length info.maintainers) == 0) info;
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infoToString = info: "${info.name} ${info.source}";
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in
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runCommandLocal "no-maintainers.txt" { } ''
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<${stringJoin drvToString unmaintained} sort -u \
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| sed 's/\/nix\/store\/[^/]*/https:\/\/github.com\/NixOS\/nixpkgs\/blob\/master/' \
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| sed 's/.nix:\(.*\)$/.nix#L\1/' \
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| ${pkgs.unixtools.column}/bin/column -t \
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> $out
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runCommandLocal "unmaintained.txt" { } ''
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<${stringJoin infoToString unmaintained} sort -u | ${pkgs.unixtools.column}/bin/column -t > $out
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'';
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listMaintainers =
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drv:
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let
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closure = drvClosure drv;
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maintainableDrvs = filter maintainable closure;
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maintainersToString =
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maintainers: concatStringsSep "," (map (main: toString main.github) maintainers);
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drvToString = drv: "${drv.name} ${maintainersToString (drvMaintainers drv)}";
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in
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runCommandLocal "maintainers.txt" { } ''
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<${stringJoin drvToString maintainableDrvs} sort -u \
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| ${pkgs.unixtools.column}/bin/column -t \
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> $out
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'';
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expandInput =
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input:
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if (input.class or null == "nixos") && (input._type or null == "configuration") then
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[
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input.config.system.build.toplevel
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input.config.environment.systemPackages
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]
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else
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input;
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}
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12
flake.nix
12
flake.nix
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@ -5,13 +5,17 @@
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system = "x86_64-linux";
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pkgs = nixpkgs.legacyPackages.${system};
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lib = import ./default.nix { inherit pkgs; };
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inherit (lib)
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allMaintainers
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expandInput
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noMaintainers
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;
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in
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{
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bundlers."x86_64-linux" = rec {
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default = adopt;
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maintainers = lib.allMaintainers;
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adopt = lib.noMaintainers;
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list = lib.listMaintainers;
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default = unmaintained;
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all = drv: allMaintainers (expandInput drv);
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unmaintained = drv: noMaintainers (expandInput drv);
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};
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formatter."x86_64-linux" = pkgs.nixfmt-rfc-style;
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