patch: hooks from zeta

toolchain/lib/packager.lua

@@ -97,7 +97,13 @@ end
 -- The generated manifest uses archive mode (strip=1) and includes the
 -- computed sha256 of the binary tarball. Optional fields (deps, files,
 -- test) are included when present in the recipe.
-function packager.write_manifest(recipe, tarball_sha256, pkg_dir, repo)
+--
+-- `hooks` (optional) is a list of stage-relative paths of packaged hook
+-- files (usr/share/zeta/hooks/*.hook). When `recipe.files` is set, the
+-- hook paths are merged into the emitted files whitelist so the hooks are
+-- committed alongside the whitelisted files. When `recipe.files` is nil,
+-- hooks are ignored (all staged files commit anyway).
+function packager.write_manifest(recipe, tarball_sha256, pkg_dir, repo, hooks)
   local repo = repo or "https://raw.githubusercontent.com/gretagen/zeta-packages/refs/heads/main"
   local lines = {}
   local function emit(fmt, ...)
@@ -129,6 +135,9 @@ function packager.write_manifest(recipe, tarball_sha256, pkg_dir, repo)
     for _, f in ipairs(recipe.files) do
       file_strs[#file_strs + 1] = string.format('"%s"', escape(f))
     end
+    for _, h in ipairs(hooks or {}) do
+      file_strs[#file_strs + 1] = string.format('"%s"', escape(h))
+    end
     emit('  files   = { %s },', table.concat(file_strs, ", "))
   end