;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Stefan Reichör <stefan@xsteve.at>
;;; Copyright © 2021 Ivan Gankevich <i.gankevich@spbu.ru>
;;; Copyright © 2024-2025 Sharlatan Hellseher <sharlatanus@gmail.com>
;;; Copyright © 2025 Nicolas Graves <ngraves@ngraves.fr>
;;; Copyright © 2025 Junker <dk@junkeria.club>
;;;
;;; 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 task-runners)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages golang-xyz)
  #:use-module (gnu packages mail)
  #:use-module (gnu packages scheme)
  #:use-module (guix build-system copy)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system go)
  #:use-module (guix download)
  #:use-module (guix gexp)
  #:use-module (guix git-download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix utils))

(define-public faber
  (package
    (name "faber")
    (version "0.1.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
              (url "https://github.com/Junker/faber")
              (commit version)))
       (file-name (git-file-name name version))
       (sha256
        (base32 "17xjg92vwg7n06lx4xbsnd7wvsgqcw8h10ha5365rsfs49bd3cyf"))))
    (inputs (list gauche))
    (build-system copy-build-system)
    (arguments
     '(#:install-plan '(("faber" "bin/"))))
    (synopsis "Task runner with power of Scheme")
    (description "Faber is a CLI task runner designed to leverage the power and
flexibility of Gauche Scheme.
Unlike other build systems that rely on custom formats, Faber uses Gauche
Scheme, allowing you to write build scripts using familiar Scheme syntax.")
    (home-page "https://github.com/Junker/faber")
    (license license:expat)))

(define-public run
  (package
    (name "run")
    (version "0.11.2")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/TekWizely/run")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1p9hyc3zrjh58nqdc2j2qnkcyg7z8av2q7fb49ycs4292awl0zka"))))
    (build-system go-build-system)
    (arguments
     (list
      #:install-source? #f
      #:import-path "github.com/tekwizely/run"))
    (native-inputs
     (list go-github-com-goreleaser-fileglob
           go-github-com-subosito-gotenv
           go-github-com-tekwizely-go-parsing))
    (home-page "https://github.com/TekWizely/run")
    (synopsis "Easily manage and invoke small scripts and wrappers")
    (description
     "Run is a tool to easily manage and invoke small scripts and wrappers by
using a Runfile.")
    (license license:expat)))

(define-public task-spooler
  (package
    (name "task-spooler")
    (version "1.0.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://viric.name/soft/ts/ts-"
                           version ".tar.gz"))
       (sha256
        (base32 "0a5l8bjq869lvqys3amsil933vmm9b387axp1jv3bi9xah8k70zs"))))
    (build-system gnu-build-system)
    (arguments
     (list
      #:make-flags
      #~(let ((c-flags "-g -O2"))
          (list (string-append "PREFIX=" #$output)
                (string-append "CC=" #$(cc-for-target))
                (string-append "CFLAGS=" c-flags)))
      #:phases
      #~(modify-phases %standard-phases
          (delete 'configure) ;; no configuration script
          (add-after 'unpack 'rename-and-patch-paths
            (lambda* (#:key inputs #:allow-other-keys)
              ;; Rename "ts" to "tsp" to not interfere with "ts" command
              ;; from moreutils package.
              (rename-file "ts.1" "tsp.1");
              (substitute* '("Makefile" "testbench.sh")
                (("\\bts\\b") "tsp"))
              ;; Patch gzip/sendmail/shell paths.
              (substitute* '("execute.c" "list.c")
                (("execlp\\(\"gzip\"")
                 (format #f "execlp(\"~a/bin/gzip\""
                         #$(this-package-input "gzip")))
                (("execlp\\(\"sh\"")
                 (format #f "execlp(\"~a/bin/sh\""
                         #$(this-package-input "bash-minimal")))
                (("/bin/sh\\b")
                 (format #f "~a/bin/sh"
                         #$(this-package-input "bash-minimal"))))
              (substitute* "mail.c"
                (("/usr/sbin/sendmail")
                 (format #f "~a/sbin/sendmail"
                         #$(this-package-input "sendmail"))))))
          (replace 'check
            (lambda* (#:key tests? #:allow-other-keys)
              (if tests?
                  (begin
                    (setenv "PATH"
                            (string-append (getenv "PATH") ":" (getcwd)))
                    (invoke "./testbench.sh"))
                  (format #t "test suite not run ~%")))))))
    (inputs
     (list bash-minimal gzip sendmail))
    (home-page "https://viric.name/soft/ts/")
    (synopsis "UNIX task queue system")
    (description
     "Task spooler lets users run shell commands asynchronously one after the
other in a separate process.")
    (license license:gpl2+)))