From 71034d171fe80d305d766e15ba894de78062cc11 Mon Sep 17 00:00:00 2001
From: Pavel Egorov <contact@pavelegorov.xyz>
Date: Wed, 29 Jul 2026 03:30:49 +0300
Subject: [yay] add hooks

---
 .config/yay/hooks/maintainer_change.lua | 75 +++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 .config/yay/hooks/maintainer_change.lua

(limited to '.config/yay/hooks/maintainer_change.lua')

diff --git a/.config/yay/hooks/maintainer_change.lua b/.config/yay/hooks/maintainer_change.lua
new file mode 100644
index 0000000..9f8be2d
--- /dev/null
+++ b/.config/yay/hooks/maintainer_change.lua
@@ -0,0 +1,75 @@
+-- Copypasted from https://github.com/Jguer/yay/blob/next/doc/examples/maintainer_change.lua
+--
+-- Warn when an AUR package's maintainer changes between upgrades.
+--
+-- The known maintainer for each package is stored in a plain text cache file
+-- inside the yay cache directory (build_dir). On the first upgrade for a
+-- package the current maintainer is recorded without any warning. On
+-- subsequent upgrades:
+--   * same maintainer  → debug "match correct"
+--   * different maintainer → error "new maintainer, double check build files"
+--
+-- The cache is updated whenever a new or changed maintainer is seen.
+--
+-- Cache file location: <cache_dir>/maintainer_cache
+-- Format: one "pkgname=maintainer" entry per line.
+
+-- missing reliable cfg getter
+local cache_dir = (os.getenv("XDG_CACHE_HOME") or (os.getenv("HOME") .. "/.cache")) .. "/yay"
+local cache_file = cache_dir .. "/maintainer_cache"
+
+local function load_cache()
+  local cache = {}
+  local f = io.open(cache_file, "r")
+  if not f then return cache end
+  for line in f:lines() do
+    local name, maintainer = line:match("^([^=]+)=(.*)$")
+    if name then
+      cache[name] = maintainer
+    end
+  end
+  f:close()
+  return cache
+end
+
+local function save_cache(cache)
+  local f = assert(io.open(cache_file, "w"))
+  for name, maintainer in pairs(cache) do
+    f:write(name .. "=" .. maintainer .. "\n")
+  end
+  f:close()
+end
+
+yay.create_autocmd("UpgradeSelect", {
+  desc = "warn on AUR maintainer changes",
+  callback = function(event)
+    yay.log.info("checking for AUR maintainer changes")
+    local cache = load_cache()
+    local dirty = false
+
+    for _, pkg in ipairs(event.data.upgrades) do
+      if pkg.repository == "aur" and pkg.maintainer ~= "" then
+        local cached = cache[pkg.name]
+        if cached == nil then
+          -- First time seeing this package: seed the cache silently.
+          cache[pkg.name] = pkg.maintainer
+          dirty = true
+        elseif cached == pkg.maintainer then
+          yay.log.debug("match correct: " .. pkg.name .. " " .. pkg.maintainer)
+        else
+          yay.log.error("new maintainer, double check build files: ", pkg.name,
+            "(was: " .. cached .. ", now: " .. pkg.maintainer .. ")")
+          cache[pkg.name] = pkg.maintainer
+          dirty = true
+        end
+      end
+    end
+
+    if dirty then
+      yay.log.info("saving maintainer cache:", cache_file)
+      save_cache(cache)
+    end
+
+    return { exclude = {}, skip_menu = false }
+  end,
+})
-- 
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