summary refs log tree commit diff
path: root/gnu/packages/shells.scm
blob: f1b408982c72bbe4824297a21724d9653c2c8f5d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Cyril Roelandt <tipecaml@gmail.com>
;;; Copyright © 2014, 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2014 Kevin Lemonnier <lemonnierk@ulrar.net>
;;; Copyright © 2015 Jeff Mickey <j@codemac.net>
;;; Copyright © 2016 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2016 Stefan Reichör <stefan@xsteve.at>
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2017 ng0 <ng0@infotropique.org>
;;; Copyright © 2017 Leo Famulari <leo@famulari.name>
;;; Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; 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 shells)
  #:use-module (gnu packages)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages documentation)
  #:use-module (gnu packages groff)
  #:use-module (gnu packages libbsd)
  #:use-module (gnu packages libedit)
  #:use-module (gnu packages ncurses)
  #:use-module (gnu packages pcre)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages readline)
  #:use-module (gnu packages scheme)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system python)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix licenses)
  #:use-module (guix packages))

(define-public dash
  (package
    (name "dash")
    (version "0.5.9.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://gondor.apana.org.au/~herbert/dash/files/"
                           "dash-" version ".tar.gz"))
       (sha256
        (base32
         "0ng695mq5ngg43h7ljhxvbjm46ym3nayj6ssn47d2gm9fbm5pkay"))
       (modules '((guix build utils)))
       (snippet
        '(begin
           ;; The man page hails from BSD, where (d)ash is the default shell.
           ;; This isn't the case on Guix or indeed most other GNU systems.
           (substitute* "src/dash.1"
             (("the standard command interpreter for the system")
              "a command interpreter based on the original Bourne shell"))
           #t))))
    (build-system gnu-build-system)
    (inputs
     `(("libedit" ,libedit)))
    (arguments
     '(#:configure-flags '("--with-libedit")))
    (home-page "http://gondor.apana.org.au/~herbert/dash")
    (synopsis "POSIX-compliant shell optimised for size")
    (description
     "dash is a POSIX-compliant @command{/bin/sh} implementation that aims to be
as small as possible, often without sacrificing speed.  It is faster than the
GNU Bourne-Again Shell (@command{bash}) at most scripted tasks.  dash is a
direct descendant of NetBSD's Almquist Shell (@command{ash}).")
    (license (list bsd-3
                   gpl2+))))    ; mksignames.c

(define-public fish
  (package
    (name "fish")
    (version "2.6.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://fishshell.com/files/"
                                  version "/fish-" version ".tar.gz"))
              (sha256
               (base32
                "1yzx73kg5ng5ivhi68756sl5hpb8869110l9fwim6gn7f7bbprby"))
              (modules '((guix build utils)))
              ;; Don't try to install /etc/fish/config.fish.
              (snippet
               '(substitute* "Makefile.in"
                  ((".*INSTALL.*sysconfdir.*fish.*") "")))))
    (build-system gnu-build-system)
    (native-inputs
     `(("doxygen" ,doxygen)))
    (inputs
     `(("bc" ,bc)
       ("ncurses" ,ncurses)
       ("groff" ,groff)               ;for 'fish --help'
       ("pcre2" ,pcre2)               ;don't use the bundled PCRE2
       ("python" ,python-wrapper)))   ;for fish_config and manpage completions
    (arguments
     '(#:tests? #f ; no check target
       #:configure-flags '("--sysconfdir=/etc")
       #:phases
       (modify-phases %standard-phases
         ;; Embed absolute paths to store items.
         (add-after 'unpack 'embed-store-paths
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (substitute* '("share/functions/math.fish"
                            "share/functions/seq.fish")
               (("\\| bc")
                (string-append "| " (assoc-ref %build-inputs "bc")
                               "/bin/bc")))
             (substitute* "share/functions/fish_update_completions.fish"
               (("python") (which "python")))
             (substitute* "share/functions/__fish_print_help.fish"
               (("nroff") (which "nroff")))
             #t)))))
    (synopsis "The friendly interactive shell")
    (description
     "Fish (friendly interactive shell) is a shell focused on interactive use,
discoverability, and friendliness.  Fish has very user-friendly and powerful
tab-completion, including descriptions of every completion, completion of
strings with wildcards, and many completions for specific commands.  It also
has extensive and discoverable help.  A special help command gives access to
all the fish documentation in your web browser.  Other features include smart
terminal handling based on terminfo, an easy to search history, and syntax
highlighting.")
    (home-page "https://fishshell.com/")
    (license gpl2)))

(define-public fish-guix
  (package
    (name "fish-guix")
    (version "0.1.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://dist.infotropique.org/fish-guix/"
                           name "-" version ".tar.xz"))
       (sha256
        (base32
         "0xi0j9lvzh43lrj82gz52n2cjln0i0pgayngrg4hy5w4449biy0z"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f ; No checks.
       #:make-flags (list
                     (string-append "PREFIX=" %output))
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)))) ; No configure script.
    (home-page "https://www.infotropique.org/projects/fish-guix/")
    (synopsis "Fish completions for Guix")
    (description
     "Fish-guix provides completions for Guix for users of the fish shell.")
    (license public-domain)))

(define-public rc
  (package
    (name "rc")
    (version "1.7.4")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "git://github.com/rakitzis/rc.git")
                    ;; commit name 'release: rc-1.7.4'
                    (commit "c884da53a7c885d46ace2b92de78946855b18e92")))
              (sha256
               (base32
                "00mgzvrrh9w96xa85g4gjbsvq02f08k4jwjcdnxq7kyh5xgiw95l"))
              (file-name (string-append name "-" version "-checkout"))))
    (build-system gnu-build-system)
    (arguments
     `(#:configure-flags
       '("--with-edit=gnu")
       #:phases
       (modify-phases %standard-phases
         (add-after
          'unpack 'autoreconf
          (lambda _ (zero? (system* "autoreconf" "-vfi"))))
         (add-before
          'autoreconf 'patch-trip.rc
          (lambda _
            (substitute* "trip.rc"
              (("/bin/pwd") (which "pwd"))
              (("/bin/sh")  (which "sh"))
              (("/bin/rm")  (which "rm"))
              (("/bin\\)")  (string-append (dirname (which "rm")) ")")))
            #t)))))
    (inputs `(("readline" ,readline)
              ("perl" ,perl)))
    (native-inputs `(("autoconf" ,autoconf)
                     ("automake" ,automake)
                     ("libtool" ,libtool)
                     ("pkg-config" ,pkg-config)))
    (synopsis "Alternative implementation of the rc shell by Byron Rakitzis")
    (description
     "This is a reimplementation by Byron Rakitzis of the Plan 9 shell.  It
has a small feature set similar to a traditional Bourne shell.")
    (home-page "https://github.com/rakitzis/rc")
    (license zlib)))

(define-public es
  (package
    (name "es")
    (version "0.9.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/wryun/es-shell/releases/"
                           "download/v" version "/es-" version ".tar.gz"))
       (sha256
        (base32
         "1fplzxc6lncz2lv2fyr2ig23rgg5j96rm2bbl1rs28mik771zd5h"))
       (file-name (string-append name "-" version ".tar.gz"))))
    (build-system gnu-build-system)
    (arguments
     `(#:test-target "test"
       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 're-enter-rootdir
           ;; The tarball has no folder.
           (lambda _
             (chdir ".."))))))
    (inputs
     `(("readline" ,readline)))
    (native-inputs
     `(("bison" ,bison)))
    (synopsis "Extensible shell with higher-order functions")
    (description
     "Es is an extensible shell.  The language was derived from the Plan 9
shell, rc, and was influenced by functional programming languages, such as
Scheme, and the Tcl embeddable programming language.  This implementation is
derived from Byron Rakitzis's public domain implementation of rc, and was
written by Paul Haahr and Byron Rakitzis.")
    (home-page "https://wryun.github.io/es-shell/")
    (license public-domain)))

(define-public tcsh
  (package
    (name "tcsh")
    (version "6.20.00")
    (source (origin
              (method url-fetch)
              ;; Old tarballs are moved to old/.
              (uri (list (string-append "ftp://ftp.astron.com/pub/tcsh/"
                                        "tcsh-" version ".tar.gz")
                         (string-append "ftp://ftp.astron.com/pub/tcsh/"
                                        "old/tcsh-" version ".tar.gz")))
              (sha256
               (base32
                "17ggxkkn5skl0v1x0j6hbv5l0sgnidfzwv16992sqkdm983fg7dq"))
              (patches (search-patches "tcsh-fix-autotest.patch"
                                       "tcsh-fix-out-of-bounds-read.patch"))
              (patch-flags '("-p0"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("autoconf" ,autoconf)
       ("perl" ,perl)))
    (inputs
     `(("ncurses" ,ncurses)))
    (arguments
     `(#:phases
        (modify-phases %standard-phases
          (add-before 'check 'patch-test-scripts
            (lambda _
              ;; Take care of pwd
              (substitute* '("tests/commands.at" "tests/variables.at")
                (("/bin/pwd") (which "pwd")))
              ;; The .at files create shell scripts without shebangs. Erk.
              (substitute* "tests/commands.at"
                (("./output.sh") "/bin/sh output.sh"))
              (substitute* "tests/syntax.at"
                (("; other_script.csh") "; /bin/sh other_script.csh"))
              ;; Now, let's generate the test suite and patch it
              (system* "make" "tests/testsuite")

              ;; This file is ISO-8859-1 encoded.
              (with-fluids ((%default-port-encoding #f))
                (substitute* "tests/testsuite"
                  (("/bin/sh") (which "sh"))))
              #t))
          (add-after 'install 'post-install
            (lambda* (#:key inputs outputs #:allow-other-keys)
              (let* ((out (assoc-ref %outputs "out"))
                     (bin (string-append out "/bin")))
                (with-directory-excursion bin
                  (symlink "tcsh" "csh"))
                #t))))))
    (home-page "http://www.tcsh.org/")
    (synopsis "Unix shell based on csh")
    (description
     "Tcsh is an enhanced, but completely compatible version of the Berkeley
UNIX C shell (csh).  It is a command language interpreter usable both as an
interactive login shell and a shell script command processor.  It includes a
command-line editor, programmable word completion, spelling correction, a
history mechanism, job control and a C-like syntax.")
    (license bsd-4)))

(define-public zsh
  (package
    (name "zsh")
    (version "5.2")
    (source (origin
              (method url-fetch)
              (uri (list (string-append
                           "http://www.zsh.org/pub/zsh-" version
                           ".tar.gz")
                         (string-append
                           "http://www.zsh.org/pub/old/zsh-" version
                           ".tar.gz")))
              (sha256
               (base32
                "0dsr450v8nydvpk8ry276fvbznlrjgddgp7zvhcw4cv69i9lr4ps"))))
    (build-system gnu-build-system)
    (arguments `(#:configure-flags '("--with-tcsetpgrp" "--enable-pcre")
                 #:phases
                 (modify-phases %standard-phases
                   (add-before 'configure 'fix-sh
                     (lambda _
                       ;; Some of the files are ISO-8859-1 encoded.
                       (with-fluids ((%default-port-encoding #f))
                                    (substitute*
                                        '("configure"
                                          "configure.ac"
                                          "Src/exec.c"
                                          "Src/mkmakemod.sh"
                                          "Config/installfns.sh"
                                          "Config/defs.mk.in"
                                          "Test/E01options.ztst"
                                          "Test/A05execution.ztst"
                                          "Test/A01grammar.ztst"
                                          "Test/A06assign.ztst"
                                          "Test/B02typeset.ztst"
                                          "Completion/Unix/Command/_init_d"
                                          "Util/preconfig")
                                      (("/bin/sh") (which "sh")))))))))
    (native-inputs `(("autoconf" ,autoconf)))
    (inputs `(("ncurses" ,ncurses)
              ("pcre" ,pcre)
              ("perl" ,perl)))
    (synopsis "Powerful shell for interactive use and scripting")
    (description "The Z shell (zsh) is a Unix shell that can be used
as an interactive login shell and as a powerful command interpreter
for shell scripting.  Zsh can be thought of as an extended Bourne shell
with a large number of improvements, including some features of bash,
ksh, and tcsh.")
    (home-page "http://www.zsh.org/")

    ;; The whole thing is under an MIT/X11-style license, but there's one
    ;; command, 'Completion/Unix/Command/_darcs', which is under GPLv2+.
    (license gpl2+)))

(define-public xonsh
  (package
    (name "xonsh")
    (version "0.5.12")
    (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "xonsh" version))
        (sha256
          (base32
            "1yz595hx5bni524m73cx8a08vcr6vfksfci14nx2ylz53igzva2c"))
        (modules '((guix build utils)))
        (snippet
         `(begin
            ;; Delete bundled ply.
            (delete-file-recursively "xonsh/ply")
            (substitute* '("setup.py")
              (("'xonsh\\.ply\\.ply',") ""))
            #t))))
    (build-system python-build-system)
    (arguments
     '(;; TODO Try running run the test suite.
       ;; See 'requirements-tests.txt' in the source distribution for more
       ;; information.
       #:tests? #f))
    (inputs
     `(("python-ply" ,python-ply)))
    (home-page "http://xon.sh/")
    (synopsis "Python-ish shell")
    (description
     "Xonsh is a Python-ish, BASHwards-looking shell language and command
prompt.  The language is a superset of Python 3.4+ with additional shell
primitives that you are used to from Bash and IPython.  It works on all major
systems including Linux, Mac OSX, and Windows.  Xonsh is meant for the daily
use of experts and novices alike.")
    (license bsd-2)))

(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"))))
      (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))
           (add-before 'configure 'autoreconf
             (lambda _
               (zero? (system* "autoreconf")))))))
      (inputs
       `(("scheme48" ,scheme48)
         ("scheme48-rx" ,scheme48-rx)))
      (native-inputs
       `(("autoconf" ,autoconf)
         ("automake" ,automake)))
      (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 bsd-3))))

(define-public linenoise
  (let ((commit "2105ce445821381cf1bca87b6d386d4ea88ee20d")
        (revision "1"))
    (package
      (name "linenoise")
      (version (string-append "1.0-" revision "." (string-take commit 7)))
      (source
       (origin
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/antirez/linenoise")
               (commit commit)))
         (file-name (string-append name "-" version "-checkout"))
         (sha256
          (base32
           "1z16qwix8z6a40fskdgxsibkqgdrp4q6ncp4n6hnv4r9iihy2d8r"))))
      (build-system gnu-build-system)
      (arguments
       `(#:tests? #f ;No tests are included
         #:make-flags (list "CC=gcc")
         #:phases
         (modify-phases %standard-phases
           (delete 'configure)
           (replace 'install
             (lambda* (#:key outputs #:allow-other-keys)
               ;; At the moment there is no 'make install' in upstream.
               (let* ((out (assoc-ref outputs "out")))
                 (install-file "linenoise.h"
                               (string-append out "/include/linenoise"))
                 (install-file "linenoise.c"
                               (string-append out "/include/linenoise"))
                 #t))))))
      (home-page "https://github.com/antirez/linenoise")
      (synopsis "Minimal zero-config readline replacement")
      (description
       "Linenoise is a minimal, zero-config, readline replacement.
Its features include:

@enumerate
@item Single and multi line editing mode with the usual key bindings
@item History handling
@item Completion
@item Hints (suggestions at the right of the prompt as you type)
@item A subset of VT100 escapes, ANSI.SYS compatible
@end enumerate\n")
      (license bsd-2))))

(define-public s-shell
  (let ((commit "6604341edb3a775ff94415762af3ee9bd86bfb3c")
        (revision "1"))
    (package
      (name "s-shell")
      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
      (source
       (origin
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/rain-1/s")
               (commit commit)))
         (file-name (string-append name "-" version "-checkout"))
         (sha256
          (base32
           "1075cml6dl15d770j3m12yz90cjacsdslbv3gank1nxd76vmpdcr"))))
      (build-system gnu-build-system)
      (inputs
       `(("linenoise" ,linenoise)))
      (arguments
       `(#:tests? #f
         #:make-flags (list "CC=gcc")
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'install-directory-fix
             (lambda* (#:key outputs #:allow-other-keys)
               (let* ((out (assoc-ref outputs "out"))
                      (bin (string-append out "/bin")))
                 (substitute* "Makefile"
                   (("out") bin))
                 #t)))
           (add-after 'install 'manpage
             (lambda* (#:key outputs #:allow-other-keys)
               (install-file "s.1" (string-append (assoc-ref outputs "out")
                                                  "/share/man/man1"))))
           (replace 'configure
             (lambda* (#:key inputs outputs #:allow-other-keys)
               ;; At this point linenoise is meant to be included,
               ;; so we have to really copy it into the working directory
               ;; of s.
               (let* ((linenoise (assoc-ref inputs "linenoise"))
                      (noisepath (string-append linenoise "/include/linenoise"))
                      (out (assoc-ref outputs "out")))
                 (copy-recursively noisepath "linenoise")
                 (substitute* "s.c"
                   (("/bin/s") (string-append out "/bin/s")))
                 #t))))))
      (home-page "https://github.com/rain-1/s")
      (synopsis "Extremely minimal shell with the simplest syntax possible")
      (description
       "S is a new shell that aims to be extremely simple.
S does not implemnt the POSIX shell standard.
There are no globs or \"splatting\" where a variable $FOO turns into multiple
command line arguments.  One token stays one token forever.
This is a \"no surprises\" straightforward approach.

There are no redirection operators > in the shell language, they are added as
extra programs.  > is just another unix command, < is essentially cat(1).
A @code{andglob} program is also provided along with s.")
      (license bsd-3))))

(define-public oksh
  (package
    (name "oksh")
    (version "0.5.9")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://connochaetos.org/oksh/oksh-"
                           version ".tar.gz"))
       (sha256
        (base32
         "0ln9yf6pxngsviqszv8klnnvn8vcpplvj1njdn8xr2y8frkbw8r3"))))
    (build-system gnu-build-system)
    (arguments
     `(; The test files are not part of the distributed tarball.
       #:tests? #f))
    (home-page "https://connochaetos.org/oksh")
    (synopsis "Port of OpenBSD Korn Shell")
    (description
     "Oksh is a port of the OpenBSD Korn Shell.
The OpenBSD Korn Shell is a cleaned up and enhanced ksh.")
    (license gpl3+)))

(define-public loksh
  (package
    (name "loksh")
    (version "6.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/dimkr/loksh/archive/"
                           version ".tar.gz"))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32
         "1wg7ds56yr8fgg1m149bi53bvrwccwiashmwknggza1sqgj9m2lq"))))
    (build-system gnu-build-system)
    (inputs
     `(("libbsd" ,libbsd)))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (arguments
     `(#:tests? #f ;No tests included
       #:make-flags (list "CC=gcc" "HAVE_LIBBSD=1"
                          (string-append "DESTDIR="
                                         (assoc-ref %outputs "out"))
                          "PREFIX=")
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)))) ;No configure script
    (home-page "https://github.com/dimkr/loksh")
    (synopsis "Korn Shell from OpenBSD")
    (description
     "loksh is a Linux port of OpenBSD's @command{ksh}.  It is a small,
interactive POSIX shell targeted at resource-constrained systems.")
    ;; The file 'LEGAL' says it is the public domain, and the 2
    ;; exceptions which are listed are not included in this port.
    (license public-domain)))

(define-public mksh
  (package
    (name "mksh")
    (version "56")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://www.mirbsd.org/MirOS/dist/mir/mksh/mksh-R"
                           version ".tgz"))
       (sha256
        (base32
         "1x4zjj9259ijpf8jw0nyh1fnr1pbm5fwvylclpvcrlb45xrglf5d"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f ; tests require access to /dev/tty
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (replace 'build
           (lambda _
             (setenv "CC" "gcc")
             (zero? (system* (which "sh") "Build.sh"))))
         (replace 'install
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (bin (string-append out "/bin"))
                    (man (string-append out "/share/man/man1")))
               (install-file "mksh" bin)
               (with-directory-excursion bin
                 (symlink "mksh" "ksh"))
               (install-file "mksh.1" man)))))))
    (home-page "https://www.mirbsd.org/mksh.htm")
    (synopsis "Korn Shell from MirBSD")
    (description "mksh is an actively developed free implementation of the
Korn Shell programming language and a successor to the Public Domain Korn
Shell (pdksh).")
    (license (list miros
                   isc)))) ; strlcpy.c