4 files changed, 145 insertions, 1 deletions

diff --git a/CODEOWNERS b/CODEOWNERS
index b2e2ea61c4d..f09d4747ae3 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -12,6 +12,15 @@ gnu/packages/audio\.scm                            @guix/audio
 gnu/packages/fluidplug\.scm                        @guix/audio
 gnu/packages/xiph\.scm                             @guix/audio
 
+gnu/packages/elixir(-.+|)\.scm$                    @guix/beam
+guix/build/mix-build-system\.scm                   @guix/beam
+guix/build-system/mix\.scm                         @guix/beam
+gnu/packages/erlang(-.+|)\.scm$                    @guix/beam
+guix/build/rebar-build-system\.scm                 @guix/beam
+guix/build-system/rebar\.scm                       @guix/beam
+guix/import/hexpm\.scm                             @guix/beam
+guix/scripts/import/hexpm\.scm                     @guix/beam
+
 gnu/packages/commencement\.scm                     @guix/bootstrap
 gnu/packages/mes\.scm                              @guix/bootstrap
 
diff --git a/etc/teams.scm b/etc/teams.scm
index b47f0dfdd9e..91c0d9f437e 100755
--- a/etc/teams.scm
+++ b/etc/teams.scm
@@ -464,6 +464,21 @@ already exists.  Lookup team IDs among CURRENT-TEAMS."
                       "gnu/packages/fluidplug.scm"
                       "gnu/packages/xiph.scm")))
 
+(define-team beam
+  (team 'beam
+        #:name "Erlang/Elixir/BEAM team"
+        #:description "The virtual machine at the core of the Erlang Open
+Telecom Platform (OTP), Erlang and Elxir languages and packages, development
+of Rebar and Mix build systems and Hex.pm importer."
+        #:scope (list (make-regexp* "^gnu/packages/elixir(-.+|)\\.scm$")
+                      "guix/build/mix-build-system.scm"
+                      "guix/build-system/mix.scm"
+                      (make-regexp* "^gnu/packages/erlang(-.+|)\\.scm$")
+                      "guix/build/rebar-build-system.scm"
+                      "guix/build-system/rebar.scm"
+                      "guix/import/hexpm.scm"
+                      "guix/scripts/import/hexpm.scm")))
+
 (define-team bootstrap
   (team 'bootstrap
         #:name "Bootstrap"
@@ -1328,7 +1343,7 @@ the \"texlive\" importer."
 (define-member (person "Giacomo Leidi"
                        "goodoldpaul@autistici.org"
                        "fishinthecalculator")
-  audio)
+  audio beam)
 
 (define-member (person "Saku Laesvuori"
                        "saku@laesvuori.fi"
diff --git a/etc/teams/beam/elixir-manifest.scm b/etc/teams/beam/elixir-manifest.scm
new file mode 100644
index 00000000000..1e622310c13
--- /dev/null
+++ b/etc/teams/beam/elixir-manifest.scm
@@ -0,0 +1,60 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2025 Giacomo Leidi <goodoldpaul@autistici.org>
+;;;
+;;; 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 mix-build-system.
+;;; It is used to assist continuous integration of the beam-team branch.
+;;;
+;;;
+;;; You can use it to build all covered packages with:
+;;;
+;;;  ./pre-inst-env guix build -m etc/teams/beam/elixir-manifest.scm
+;;;
+;;; or to update them with:
+;;;
+;;;  ./pre-inst-env guix refresh -u -m etc/teams/beam/elixir-manifest.scm
+
+(use-modules (guix packages)
+             (guix profiles)
+             (guix gexp)
+             (guix build-system)
+             (ice-9 match)
+             (srfi srfi-1)
+             (srfi srfi-26))
+
+(define* (has-mix-build-system? build-system #:key modules #:allow-other-keys)
+  (or (eq? (build-system-name build-system) 'mix)
+      (any
+       (match-lambda
+         (('guix 'build 'mix-build-system) #t)
+         ('((guix build mix-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-mix-build-system?
+                     (package-build-system package)
+                     (package-arguments package))
+              (cons package lst)
+              lst))
+        (list))))
diff --git a/etc/teams/beam/erlang-manifest.scm b/etc/teams/beam/erlang-manifest.scm
new file mode 100644
index 00000000000..d4f647c2479
--- /dev/null
+++ b/etc/teams/beam/erlang-manifest.scm
@@ -0,0 +1,60 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2025 Giacomo Leidi <goodoldpaul@autistici.org>
+;;;
+;;; 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 rebar-build-system.
+;;; It is used to assist continuous integration of the beam-team branch.
+;;;
+;;;
+;;; You can use it to build all covered packages with:
+;;;
+;;;  ./pre-inst-env guix build -m etc/teams/beam/erlang-manifest.scm
+;;;
+;;; or to update them with:
+;;;
+;;;  ./pre-inst-env guix refresh -u -m etc/teams/beam/erlang-manifest.scm
+
+(use-modules (guix packages)
+             (guix profiles)
+             (guix gexp)
+             (guix build-system)
+             (ice-9 match)
+             (srfi srfi-1)
+             (srfi srfi-26))
+
+(define* (has-rebar-build-system? build-system #:key modules #:allow-other-keys)
+  (or (eq? (build-system-name build-system) 'rebar)
+      (any
+       (match-lambda
+         (('guix 'build 'rebar-build-system) #t)
+         ('((guix build rebar-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-rebar-build-system?
+                     (package-build-system package)
+                     (package-arguments package))
+              (cons package lst)
+              lst))
+        (list))))