Add update scripts

.gitignore

@@ -1,3 +1,8 @@
 # Local configuration
 local/
 *.local.nix
+
+# Package updates
+/packages/*.cmp
+/*.log
+/update-git-commits.txt

common/packages.nix

@@ -63,6 +63,9 @@ overrideUntilVersion {
   off = { };
   zsh-click = { };
 } // {
+  # Pending NixOS 23.05 (NixOS/nixpkgs#203371, NixOS/nixpkgs#207703)
+  inherit (unstable) nix-update-script;
+
   # Workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=1269895
   firefox = pkgs.firefox.overrideAttrs (wrapper: {
     buildCommand = wrapper.buildCommand + ''

default.nix

@@ -0,0 +1,2 @@
+# Used by ./tasks/update
+{}: import <nixpkgs> { overlays = [ (import ./common/packages.nix) ]; }

packages/apex.nix

@@ -1,18 +1,20 @@
-{ buildGoModule, fetchFromGitHub, lib }:
+{ buildGoModule, fetchFromGitHub, lib, unstableGitUpdater }:
 
 buildGoModule {
   pname = "apex";
-  version = "unstable-2021-12-08";
+  version = "unstable-2021-12-09";
 
   src = fetchFromGitHub {
     owner = "imdatngo";
     repo = "apex";
     rev = "e7e72c478a580662b3609f1a43f0e75da62b6f9b";
-    hash = "sha256-U65hXHfh7AUpqMLNQxCKYEovWx+JezdpYnoNvv7apEc=";
+    hash = "sha256-AzH1rZFqEH8sovZZfJykvsEmCedEZWigQFHWHl6/PdE=";
   };
 
   vendorSha256 = "sha256-i0+EETYoDnkKTjj9Qi8nUir4iip4mQx9uIrMkY+hbDc=";
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = {
     description = "Apex lets you build, deploy, and manage AWS Lambda functions with ease.";
     homepage = "https://github.com/apex/apex";

packages/cavif.nix

@@ -1,5 +1,6 @@
 { fetchCrate
 , lib
+, nix-update-script
 , rustPlatform
 
   # Dependencies
@@ -19,6 +20,8 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [ nasm ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "AVIF image creator in pure Rust";
     homepage = "https://github.com/kornelski/cavif-rs";

packages/decompiler-mc.nix

@@ -2,6 +2,7 @@
 , lib
 , makeWrapper
 , stdenv
+, unstableGitUpdater
 
   # Dependencies
 , jre
@@ -30,6 +31,8 @@ stdenv.mkDerivation rec {
     wrapProgram $out/bin/${pname} --prefix PATH : ${lib.makeBinPath [ jre ]}
   '';
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = {
     description = "Automated decompilation of Minecraft";
     homepage = "https://github.com/hube12/DecompilerMC";

packages/fastnbt-tools.nix

@@ -1,5 +1,6 @@
 { fetchCrate
 , lib
+, nix-update-script
 , rustPlatform
 }:
 
@@ -14,6 +15,8 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-o41gp5WBH/rUROTqMAGiLKiAP5WAPrAs2CYJeDjKJRM=";
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "tools built with fastnbt";
     homepage = "https://github.com/owengage/fastnbt";

packages/git-diff-image.nix

@@ -2,6 +2,7 @@
 , lib
 , makeWrapper
 , stdenv
+, unstableGitUpdater
 
   # Dependencies
 , bash
@@ -61,6 +62,8 @@ stdenv.mkDerivation {
     diff-image $src/example-comparison.png $src/example-comparison.png
   '';
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = {
     description = "An extension to 'git diff' that provides support for diffing images.";
     homepage = "https://github.com/ewanmellor/git-diff-image";

packages/gpx-reduce.nix

@@ -1,6 +1,7 @@
 { fetchFromGitHub
 , lib
 , stdenv
+, unstableGitUpdater
 
   # Dependencies
 , python3
@@ -26,6 +27,8 @@ stdenv.mkDerivation {
     install -D gpx_reduce.py $out/bin/gpx_reduce
   '';
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = {
     description = "Script that removes unnecessary points from GPX files";
     homepage = "https://github.com/Alezy80/gpx_reduce";

packages/mcaselector.nix

@@ -4,6 +4,7 @@
 , lib
 , makeDesktopItem
 , makeWrapper
+, nix-update-script
 , stdenv
 
   # Dependencies
@@ -51,6 +52,8 @@ stdenv.mkDerivation rec {
     install -D -t $out/share/applications ${desktopItem}/share/applications/*
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "A tool to select chunks from Minecraft worlds for deletion or export.";
     homepage = "https://github.com/Querz/mcaselector";

packages/minemap.nix

@@ -4,6 +4,7 @@
 , lib
 , makeDesktopItem
 , makeWrapper
+, nix-update-script
 , stdenv
 
   # Dependencies
@@ -52,6 +53,8 @@ stdenv.mkDerivation rec {
     install -D -t $out/share/applications ${desktopItem}/share/applications/*
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "An efficient map viewer for Minecraft seed in a nice GUI with utilities without ever needing to install Minecraft.";
     homepage = "https://github.com/hube12/Minemap";

packages/nbt-explorer.nix

@@ -3,6 +3,7 @@
 , lib
 , makeDesktopItem
 , makeWrapper
+, nix-update-script
 , stdenv
 
   # Dependencies
@@ -54,6 +55,10 @@ stdenv.mkDerivation rec {
     install -D -t $out/share/applications ${desktopItem}/share/applications/*
   '';
 
+  passthru.updateScript = nix-update-script {
+    extraArgs = [ "--version-regex" "(.*)-win" ];
+  };
+
   meta = {
     description = "A graphical NBT editor for all Minecraft NBT data sources";
     homepage = "https://github.com/jaquadro/NBTExplorer";

packages/pngquant-interactive.nix

@@ -1,4 +1,5 @@
 { fetchFromGitHub
+, gitUpdater
 , lib
 , rustPlatform
 
@@ -28,6 +29,8 @@ rustPlatform.buildRustPackage rec {
   nativeBuildInputs = [ cmake curl pkg-config ];
   buildInputs = [ libXcursor libXinerama mesa pango ];
 
+  passthru.updateScript = gitUpdater { rev-prefix = "v"; };
+
   meta = {
     description = "Graphical interface for pngquant with a live preview";
     homepage = "https://github.com/AndrewKvalheim/pngquant-interactive";

packages/tile-stitch.nix

@@ -1,6 +1,7 @@
 { fetchFromGitHub
 , lib
 , stdenv
+, unstableGitUpdater
 
   # Dependencies
 , curl
@@ -28,6 +29,8 @@ stdenv.mkDerivation {
     install -D stitch $out/bin/tile-stitch
   '';
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = {
     description = "Stitch together and crop map tiles for a specified bounding box";
     homepage = "https://github.com/e-n-f/tile-stitch";

packages/wireguard-vanity-address.nix

@@ -1,5 +1,6 @@
 { fetchCrate
 , lib
+, nix-update-script
 , rustPlatform
 }:
 
@@ -14,6 +15,8 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-0bkyopkssqH0vfaWkFC3dV2o7Q3EuDEOM8JvRB9ekLU=";
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Generate Wireguard keypairs with a given prefix string";
     homepage = "https://github.com/warner/wireguard-vanity-address";

tasks/update

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# See https://discourse.nixos.org/t/25274
+
+prefix="$(readlink --canonicalize -- "$(dirname -- "$0")/../packages")"
+nixpkgs="$(nix-instantiate --eval --expr '<nixpkgs>')"
+
+exec nix-shell "$nixpkgs/maintainers/scripts/update.nix" \
+  --arg include-overlays '(import ./. { }).overlays' \
+  --arg predicate "(
+    let prefix = \"$prefix\"; prefixLen = builtins.stringLength prefix;
+    in (_: p: (builtins.substring 0 prefixLen p.meta.position) == prefix)
+  )"