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-;;; guix-forge --- Guix software forge meta-service
-;;; Copyright © 2022 Arun Isaac <arunisaac@systemreboot.net>
-;;;
-;;; This file is part of guix-forge.
-;;;
-;;; guix-forge 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.
-;;;
-;;; guix-forge 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 guix-forge.  If not, see
-;;; <https://www.gnu.org/licenses/>.
-
-(define-module (forge utils)
-  #:use-module (ice-9 match)
-  #:use-module (guix derivations)
-  #:use-module (guix gexp)
-  #:use-module (guix monads)
-  #:use-module (guix profiles)
-  #:use-module (guix search-paths)
-  #:use-module (guix store)
-  #:export (with-packages))
-
-(define (profile-with-packages packages)
-  "Return profile with PACKAGES."
-  (with-store store
-    (run-with-store store
-      (mlet* %store-monad ((prof-drv (profile-derivation
-                                      (packages->manifest packages)))
-                           (profile -> (derivation->output-path prof-drv)))
-        (mbegin %store-monad
-          (built-derivations (list prof-drv))
-          (return profile))))))
-
-(define (environment-with-packages packages)
-  "Return environment of a profile with PACKAGES. Return value is an
-association list mapping the name of an environment variable to its
-value."
-  (map (match-lambda
-         ((search-path . value)
-          (cons (search-path-specification-variable search-path)
-                value)))
-       (profile-search-paths (profile-with-packages packages))))
-
-(define (with-packages packages exp)
-  "Return a gexp executing EXP, another gexp, in an environment where
-PACKAGES are available and their search path environment variables
-have been set."
-  #~(begin
-      ;; Add a reference to the profile.
-      #$(profile-with-packages packages)
-      ;; Set the environment.
-      ;; We pull out match-lambda using module-ref instead of using
-      ;; use-modules because this gexp will be substituted into other
-      ;; gexps and use-modules only works at the top-level.
-      (let-syntax ((match-lambda (macro-transformer
-                                  (module-ref (resolve-module '(ice-9 match))
-                                              'match-lambda))))
-        (for-each (match-lambda
-                    ((variable . value)
-                     (setenv variable value)))
-                  '#$(environment-with-packages packages)))
-      ;; Run the provided expression.
-      #$exp))