;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Maya Tomasek <maya.tomasek@disroot.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/>.

(define-module (gnu packages zig-xyz)
  #:use-module (guix packages)
  #:use-module (guix git-download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix build-system gnu)
  #:use-module (guix gexp)
  #:use-module (gnu packages)
  #:use-module (gnu packages zig)
  #:use-module (gnu packages python))

(define-public zig-zls
  (package
    (name "zig-zls")
    (version "0.9.0")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/zigtools/zls")
                    (commit version)
                    (recursive? #t)))
              (sha256
               (base32 "1hhs7dz9rpshfd1a7x5swmix2rmh53vsqskh3mzqlrj2lgb3cnii"))))
    (build-system gnu-build-system)
    (inputs (list zig python))
    (arguments
     (list
      #:modules '((guix build gnu-build-system)
                  (guix build utils))
      #:phases
      #~(modify-phases %standard-phases
          (delete 'configure)
          (replace 'build
            (lambda* (#:key outputs #:allow-other-keys)
              (let ((out (assoc-ref outputs "out"))
                    (zig (string-append #$zig "/bin/zig")))
                ;; zig defaults it's cache dir to subdir of $HOME, which is not defined in the build environment
                (setenv "ZIG_GLOBAL_CACHE_DIR"
                        (string-append (getcwd) "/zig-cache"))
                ;; invoke the install target of the build command
                (invoke zig "build" "install" "-Drelease-safe" "--prefix" out))))
          (delete 'install)
          (replace 'check
            (lambda _
              (let ((zig (string-append #$zig "/bin/zig")))
                ;; run the test target
                (invoke zig "build" "test")))))))
    (synopsis "Zig language server")
    (description "Zig Language Server is a language server for the @code{zig} programming language.")
    (home-page "https://github.com/zigtools/zls")
    (license license:expat)))

zig-zls