teams: emacs: Add manifest.

* etc/teams/emacs/emacs-manifest.scm: New file.

1 files changed, 51 insertions, 0 deletions

diff --git a/etc/teams/emacs/emacs-manifest.scm b/etc/teams/emacs/emacs-manifest.scm
new file mode 100644
index 00000000000..6b7bf8bead2
--- /dev/null
+++ b/etc/teams/emacs/emacs-manifest.scm
@@ -0,0 +1,51 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2025 Liliana Marie Prikler <liliana.prikler@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; This file returns a manifest of packages built using the emacs-build-system.
+;;; It is used to assist continuous integration of the emacs-team branch.
+
+(use-modules (guix packages)
+             (guix profiles)
+             (guix gexp)
+             (guix build-system)
+             (ice-9 match)
+             (srfi srfi-1)
+             (srfi srfi-26))
+
+(define* (has-emacs-build-system? build-system #:key modules #:allow-other-keys)
+  (or (eq? (build-system-name build-system) 'emacs)
+      (any
+       (match-lambda
+         (('guix 'build 'emacs-build-system) #t)
+         ('((guix build emacs-build-system) . _) #t)
+         (_ #f))
+       (cond
+        ((gexp? modules) (gexp->approximate-sexp modules))
+        ((pair? modules) modules)
+        (else '())))))
+
+(manifest
+  (map package->manifest-entry
+       (fold-packages
+        (lambda (package lst)
+          (if (apply has-emacs-build-system?
+                     (package-build-system package)
+                     (package-arguments package))
+              (cons package lst)
+              lst))
+        (list))))