This repository has no description
tools.update-pkgs: evaluate all packages in one flake snapshot
author
lassulus
date
(Oct 13, 2026, 2:14 AM CEST)
commit
65040408
6504040822ee909bf201a3307be0a3d13d510e72
parent
3ba3d5f9
3ba3d5f9fffd0d13817d8e64ffab4ac238f230db
+51
-42
+1
-42
tools/update-pkgs/flake-module.nix
+1
-42
tools/update-pkgs/flake-module.nix
···
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root=$(git rev-parse --show-toplevel)
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cd "$root"
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host=$(nix eval --raw --impure --expr builtins.currentSystem)
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# Only update scripts written for this flake: nix-update with --flake,
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# or a script inside this flake. Packages wrapping nixpkgs or
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# flake-input packages otherwise inherit an updateScript meant for
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# that checkout; those follow flake.lock instead.
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src=$(nix flake metadata --json . | jq -r .path)
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-
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# attr -> {cmd, pname, version, name}. Per package tryEval: one
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# package refusing to evaluate on this system must not hide the rest.
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scripts() {
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nix eval --json ".#packages.$1" --apply "
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ps: builtins.mapAttrs (n: p:
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let
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r = builtins.tryEval (
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let
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u = p.passthru.updateScript or null;
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isOurs = s: s == \"--flake\"
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|| builtins.substring 0 (builtins.stringLength \"$src/\") s == \"$src/\";
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c =
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if builtins.isList u then u
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else if builtins.isAttrs u && u ? command then
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(if builtins.isList u.command then u.command else [ u.command ])
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else [ u ];
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v = {
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cmd = map toString c;
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pname = p.pname or n;
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version = p.version or \"\";
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name = p.name or n;
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};
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in
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if u == null || !(builtins.any isOurs v.cmd) then null else builtins.deepSeq v v
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);
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in
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if r.success then r.value else null) ps"
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}
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host_scripts=$(scripts "$host")
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linux_scripts='{}'
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if [ "$host" != x86_64-linux ]; then
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linux_scripts=$(scripts x86_64-linux)
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fi
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# host entries win over linux ones
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all=$(jq -s '.[1] + .[0] | with_entries(select(.value != null))' \
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<<<"$host_scripts $linux_scripts")
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all=$(nix eval --json --impure --expr "import ${./scripts.nix} { flake = \"$root\"; host = \"$host\"; }")
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if [ "''${1:-}" = --list ]; then
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jq -r 'to_entries[] | "\(.key)\t\(.value.cmd | join(" "))"' <<<"$all"
+50
tools/update-pkgs/scripts.nix
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tools/update-pkgs/scripts.nix
···
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# attr -> { cmd, pname, version, name } for every flake package with an
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# updateScript written for this flake. One getFlake call, so the source path
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# and both package sets come from the same snapshot of the (possibly dirty)
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# tree. Host entries win; x86_64-linux fills in linux-only packages.
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{ flake, host }:
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let
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f = builtins.getFlake flake;
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src = toString f.outPath + "/";
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# Only scripts written for this flake: nix-update with --flake, or a script
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# inside this flake. Packages wrapping nixpkgs or flake-input packages
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# otherwise inherit an updateScript meant for that checkout; those follow
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# flake.lock instead.
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isOurs = s: s == "--flake" || builtins.substring 0 (builtins.stringLength src) s == src;
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+
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entry =
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n: p:
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let
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u = p.passthru.updateScript or null;
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c =
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if builtins.isList u then
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u
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else if builtins.isAttrs u && u ? command then
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(if builtins.isList u.command then u.command else [ u.command ])
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else
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[ u ];
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v = {
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cmd = map toString c;
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pname = p.pname or n;
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version = p.version or "";
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name = p.name or n;
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};
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in
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if u == null || !(builtins.any isOurs v.cmd) then null else builtins.deepSeq v v;
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+
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# Per package tryEval: one package refusing to evaluate on this system must
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# not hide the rest.
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scripts =
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system:
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builtins.mapAttrs (
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n: p:
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let
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r = builtins.tryEval (entry n p);
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in
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if r.success then r.value else null
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) (f.packages.${system} or { });
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+
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merged = (if host == "x86_64-linux" then { } else scripts "x86_64-linux") // scripts host;
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in
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builtins.removeAttrs merged (builtins.filter (n: merged.${n} == null) (builtins.attrNames merged))