(define-module (oni packages scsh)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (gnu packages)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages scheme)
  #:use-module (guix build-system gnu)
  #:use-module (guix git-download)
  #:use-module (guix packages))

(define-public scsh
  (let ((commit "114432435e4eadd54334df6b37fcae505079b49f")
        (revision "1"))
    (package
      (name "scsh")
      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
      (source
       (origin
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/scheme/scsh")
               (commit commit)))
         (file-name (string-append name "-" version "-checkout"))
         (sha256
          (base32
           "1ghk08akiz7hff1pndi8rmgamgcrn2mv9asbss9l79d3c2iaav3q"))
         (patches (search-patches "scsh-nonstring-search-path.patch"))))
      (build-system gnu-build-system)
      (arguments
       `(#:test-target "test"
         #:phases
         (modify-phases %standard-phases
           (add-before 'configure 'replace-rx
             (lambda* (#:key inputs #:allow-other-keys)
               (let* ((rx (assoc-ref inputs "scheme48-rx"))
                      (rxpath (string-append rx "/share/scheme48-"
                                             ,(package-version scheme48)
                                             "/rx")))
                 (delete-file-recursively "rx")
                 (symlink rxpath "rx"))
               #t)))))
      (inputs
       (list scheme48 scheme48-rx))
      (native-inputs
       (list autoconf automake))
      (native-search-paths
       (list (search-path-specification
              (variable "SCSH_LIB_DIRS")
              (separator " ")
              (files '("share/scsh-0.7")))))
      (home-page "https://github.com/scheme/scsh")
      (synopsis "Unix shell embedded in Scheme")
      (description
       "Scsh is a Unix shell embedded in Scheme.  Scsh has two main
components: a process notation for running programs and setting up pipelines
and redirections, and a complete syscall library for low-level access to the
operating system.")
      (license license:bsd-3))))