From e8b746d262fed2197f498244c098eb0557ca974a Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Sun, 20 Apr 2025 01:36:57 +0200
Subject: [PATCH] weechat-unwrapped: add update script

---
 .../networking/irc/weechat/default.nix            | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/pkgs/applications/networking/irc/weechat/default.nix b/pkgs/applications/networking/irc/weechat/default.nix
index 199b238ab388..b7c1cf74a0b1 100644
--- a/pkgs/applications/networking/irc/weechat/default.nix
+++ b/pkgs/applications/networking/irc/weechat/default.nix
@@ -38,6 +38,7 @@
   pcre2,
   libargon2,
   extraBuildInputs ? [ ],
+  writeScript,
 }:
 
 let
@@ -171,6 +172,20 @@ stdenv.mkDerivation rec {
     $out/bin/weechat --version
   '';
 
+  passthru.updateScript = writeScript "update-weechat" ''
+    #!/usr/bin/env nix-shell
+    #!nix-shell -i bash -p coreutils gawk git gnugrep common-updater-scripts
+    set -eu -o pipefail
+
+    version="$(git ls-remote --refs https://github.com/weechat/weechat | \
+      awk '{ print $2 }' | \
+      grep "refs/tags/v" | \
+      sed -E -e 's,refs/tags/v(.*)$,\1,' | \
+      sort --version-sort --reverse | \
+      head -n1)"
+    update-source-version weechat-unwrapped "$version"
+  '';
+
   meta = {
     homepage = "https://weechat.org/";
     changelog = "https://weechat.org/files/doc/weechat/ChangeLog-${version}.html";