[PATCH] guix package: Add 'guix show' alias.

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2 participants
  • Ludovic Courtès
  • zimoun
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unassigned
Submitted by
zimoun
Severity
normal
Z
Z
zimoun wrote on 19 Sep 2019 19:24
(address . guix-patches@gnu.org)(name . zimoun)(address . zimon.toutoune@gmail.com)
20190919172442.18099-1-zimon.toutoune@gmail.com
* guix/scripts/show.scm: New file.
* Makefile.am (MODULES): Add it.
* po/guix/POTFILES.in: Add it.
* tests/guix-package-aliases.sh: Add test.
* doc/guix.texi (Invoking guix package): Document it and use it in a example.
---
Makefile.am | 1 +
doc/guix.texi | 8 +++--
guix/scripts/show.scm | 67 +++++++++++++++++++++++++++++++++++
po/guix/POTFILES.in | 1 +
tests/guix-package-aliases.sh | 4 +++
5 files changed, 78 insertions(+), 3 deletions(-)
create mode 100644 guix/scripts/show.scm

Toggle diff (138 lines)
diff --git a/Makefile.am b/Makefile.am
index 7e3b5c1070..e33366f48b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -241,6 +241,7 @@ MODULES = \
guix/scripts/remove.scm \
guix/scripts/upgrade.scm \
guix/scripts/search.scm \
+ guix/scripts/show.scm \
guix/scripts/gc.scm \
guix/scripts/hash.scm \
guix/scripts/pack.scm \
diff --git a/doc/guix.texi b/doc/guix.texi
index 55935b3794..03028de97b 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2657,7 +2657,9 @@ For your convenience, we also provide the following aliases:
@item
@command{guix remove} is an alias for @command{guix package -r},
@item
-and @command{guix upgrade} is an alias for @command{guix package -u}.
+@command{guix upgrade} is an alias for @command{guix package -u},
+@item
+and @command{guix show} is an alias for @command{guix package --show=}.
@end itemize
These aliases are less expressive than @command{guix package} and provide
@@ -3020,9 +3022,9 @@ version: 3.3.5
@end example
You may also specify the full name of a package to only get details about a
-specific version of it:
+specific version of it (this time using the @command{guix show} alias):
@example
-$ guix package --show=python@@3.4 | recsel -p name,version
+$ guix show python@@3.4 | recsel -p name,version
name: python
version: 3.4.3
@end example
diff --git a/guix/scripts/show.scm b/guix/scripts/show.scm
new file mode 100644
index 0000000000..94f0559358
--- /dev/null
+++ b/guix/scripts/show.scm
@@ -0,0 +1,67 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com>
+;;;
+;;; 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 (guix scripts show)
+ #:use-module (guix ui)
+ #:use-module (guix scripts package)
+ #:use-module (guix scripts)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:use-module (srfi srfi-37)
+ #:export (guix-show))
+
+(define (show-help)
+ (display (G_ "Usage: guix show [OPTION] PACKAGE...
+Show details about PACKAGE."))
+ (display (G_"
+This is an alias for 'guix package --show='.\n"))
+ (newline)
+ (display (G_ "
+ -h, --help display this help and exit"))
+ (display (G_ "
+ -V, --version display version information and exit"))
+ (newline)
+ (show-bug-report-information))
+
+(define %options
+ ;; Specification of the command-line options.
+ (list (option '(#\h "help") #f #f
+ (lambda args
+ (show-help)
+ (exit 0)))
+ (option '(#\V "version") #f #f
+ (lambda args
+ (show-version-and-exit "guix show")))))
+
+(define (guix-show . args)
+ (define (handle-argument arg result)
+ ;; Treat all non-option arguments as regexps.
+ (cons `(query show ,arg)
+ result))
+
+ (define opts
+ (args-fold* args %options
+ (lambda (opt name arg . rest)
+ (leave (G_ "~A: unrecognized option~%") name))
+ handle-argument
+ '()))
+
+ (unless (assoc-ref opts 'query)
+ (leave (G_ "missing arguments: no package to show~%")))
+
+ (guix-package* opts))
diff --git a/po/guix/POTFILES.in b/po/guix/POTFILES.in
index 8b556ac0ec..f629034d61 100644
--- a/po/guix/POTFILES.in
+++ b/po/guix/POTFILES.in
@@ -47,6 +47,7 @@ guix/scripts/install.scm
guix/scripts/remove.scm
guix/scripts/upgrade.scm
guix/scripts/search.scm
+guix/scripts/show.scm
guix/scripts/gc.scm
guix/scripts/hash.scm
guix/scripts/import.scm
diff --git a/tests/guix-package-aliases.sh b/tests/guix-package-aliases.sh
index 5c68664093..520f3309de 100644
--- a/tests/guix-package-aliases.sh
+++ b/tests/guix-package-aliases.sh
@@ -58,3 +58,7 @@ if guix remove -i guile-bootstrap -p "$profile" --bootstrap
then false; else true; fi
guix search '\<board\>' game | grep '^name: gnubg'
+
+guix show --version
+guix show guile
+guix show python@3 | recsel -p name,version
--
2.21.0
L
L
Ludovic Courtès wrote on 20 Sep 2019 22:57
(name . zimoun)(address . zimon.toutoune@gmail.com)(address . 37462-done@debbugs.gnu.org)
87y2yiofcr.fsf@gnu.org
Hello,

zimoun <zimon.toutoune@gmail.com> skribis:

Toggle quote (6 lines)
> * guix/scripts/show.scm: New file.
> * Makefile.am (MODULES): Add it.
> * po/guix/POTFILES.in: Add it.
> * tests/guix-package-aliases.sh: Add test.
> * doc/guix.texi (Invoking guix package): Document it and use it in a example.

Applied, woohoo!

Toggle quote (2 lines)
> +guix show python@3 | recsel -p name,version

I changed recsel to grep because we don’t generally assume that recsel
is available in the build environment.

Thanks,
Ludo’.
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