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tools.update-pkgs: init, run passthru.updateScript like nixpkgs' update.py
author
lassulus
date
(Oct 12, 2026, 11:56 PM CEST)
commit
3ba3d5f9
3ba3d5f9fffd0d13817d8e64ffab4ac238f230db
parent
aa738643
aa7386432751be002411ee8a170eb00068d547a3
+117
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+2
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pkgs/tincr/update.sh
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pkgs/tincr/update.sh
···
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branch=lassulus/fixes
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attr=tincr
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pkg="$(dirname "$(realpath "$0")")/package.nix"
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cd "$(dirname "$(realpath "$0")")"
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while [ ! -e flake.nix ] && [ "$PWD" != / ]; do cd ..; done
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# Run by update-pkgs from the flake root ($0 is a read-only store copy).
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pkg=pkgs/tincr/package.nix
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system=$(nix eval --raw --impure --expr 'builtins.currentSystem')
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new_rev=$(curl -fsSL "https://api.github.com/repos/$owner/$repo/commits/$branch" | jq -r .sha)
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tools/boosteroid/update.sh
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tools/boosteroid/update.sh
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set -euo pipefail
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url="https://boosteroid.com/linux/installer/boosteroid_portable.tar"
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pkg="$(dirname "$(realpath "$0")")/package.nix"
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# Run by update-pkgs from the flake root ($0 is a read-only store copy).
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pkg=tools/boosteroid/package.nix
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old_hash=$(grep -oP 'hash = "\K[^"]+' "$pkg")
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+108
tools/update-pkgs/flake-module.nix
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tools/update-pkgs/flake-module.nix
···
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{ ... }:
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{
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perSystem =
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{ pkgs, ... }:
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{
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# update-pkgs [attr...] (no attrs: every package with an updateScript)
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#
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# Runs passthru.updateScript the way nixpkgs' maintainers/scripts/update.py
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# does (UPDATE_NIX_ATTR_PATH/PNAME/OLD_VERSION/NAME, cwd = flake root),
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# for this flake's packages. Packages missing from the host's package set
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# (linux-only ones on darwin) are taken from x86_64-linux; nix-update in
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# their command is swapped for the host's, the rest of the command stays.
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packages.update-pkgs =
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(pkgs.writeShellApplication {
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name = "update-pkgs";
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runtimeInputs = [
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pkgs.git
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pkgs.jq
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pkgs.nix-update
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];
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text = ''
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root=$(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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# 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 $linux_scripts")
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if [ "''${1:-}" = --list ]; then
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jq -r 'to_entries[] | "\(.key)\t\(.value.cmd | join(" "))"' <<<"$all"
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exit 0
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fi
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if [ $# -gt 0 ]; then
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attrs=("$@")
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else
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mapfile -t attrs < <(jq -r 'keys[]' <<<"$all")
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fi
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failed=()
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for attr in "''${attrs[@]}"; do
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entry=$(jq -c --arg a "$attr" '.[$a] // empty' <<<"$all")
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if [ -z "$entry" ]; then
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echo "update-pkgs: $attr has no updateScript" >&2
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failed+=("$attr")
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continue
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fi
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mapfile -t cmd < <(jq -r '.cmd[]' <<<"$entry")
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case "''${cmd[0]}" in
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*/bin/nix-update) cmd[0]=nix-update ;;
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esac
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printf '\n\033[1m== %s\033[0m\n' "$attr" >&2
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if ! UPDATE_NIX_ATTR_PATH=$attr \
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UPDATE_NIX_PNAME=$(jq -r .pname <<<"$entry") \
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UPDATE_NIX_OLD_VERSION=$(jq -r .version <<<"$entry") \
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UPDATE_NIX_NAME=$(jq -r .name <<<"$entry") \
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"''${cmd[@]}"; then
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failed+=("$attr")
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fi
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done
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if [ ''${#failed[@]} -gt 0 ]; then
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echo "update-pkgs: failed: ''${failed[*]}" >&2
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exit 1
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fi
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'';
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}).overrideAttrs
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{ passthru.usage = builtins.readFile ./usage.kdl; };
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};
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}
+5
tools/update-pkgs/usage.kdl
+5
tools/update-pkgs/usage.kdl
···
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bin "update-pkgs"
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about "Run the passthru.updateScript of flake packages, like nixpkgs' update.py"
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flag "--list" help="Only list the packages with an updateScript and their command"
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arg "[attr]..." help="Package attributes to update (default: every package with an updateScript)" var=#true