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ui: Factorize `--version'.

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* guix/ui.scm (show-version-and-exit): New procedure.
* guix-build.in (show-version): Remove.
  (%options)["version"]: Use `show-version-and-exit'.
* guix-download.in: Likewise.
* guix-package.in: Likewise.
This commit is contained in:
Ludovic Courtès 2012-11-03 21:19:43 +01:00
parent 00e219d1c9
commit cdd5d6f95f
4 changed files with 12 additions and 15 deletions
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6
guix-build.in
View file

@ -71,9 +71,6 @@ When SOURCE? is true, return the derivations of the package sources."
`((system . ,(%current-system))
(substitutes? . #t)))
(define (show-version)
(display "guix-build (@PACKAGE_NAME@) @PACKAGE_VERSION@\n"))
(define (show-help)
(display (_ "Usage: guix-build [OPTION]... PACKAGE-OR-DERIVATION...
Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
@ -113,8 +110,7 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version)
(exit 0)))
(show-version-and-exit "guix-build")))
(option '(#\S "source") #f #f
(lambda (opt name arg result)

6
guix-download.in
View file

@ -88,9 +88,6 @@ exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \
;; Alist of default option values.
`((format . ,bytevector->nix-base32-string)))
(define (show-version)
(display "guix-download (@PACKAGE_NAME@) @PACKAGE_VERSION@\n"))
(define (show-help)
(display (_ "Usage: guix-download [OPTION]... URL
Download the file at URL, add it to the store, and print its store path
@ -131,8 +128,7 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version)
(exit 0)))))
(show-version-and-exit "guix-download")))))
;;;

7
guix-package.in
View file

@ -30,6 +30,7 @@ exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \
;;; along with Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix-package)
#:use-module (guix ui)
#:use-module (guix store)
#:use-module (guix derivations)
#:use-module (guix packages)
@ -192,9 +193,6 @@ all of PACKAGES, a list of name/version/output/path tuples."
(format (current-error-port) fmt args ...)
(exit 1)))
(define (show-version)
(display "guix-package (@PACKAGE_NAME@) @PACKAGE_VERSION@\n"))
(define (show-help)
(display (_ "Usage: guix-package [OPTION]... PACKAGES...
Install, remove, or upgrade PACKAGES in a single transaction.\n"))
@ -228,8 +226,7 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version)
(exit 0)))
(show-version-and-exit "guix-package")))
(option '(#\i "install") #t #f
(lambda (opt name arg result)

8
guix/ui.scm
View file

@ -19,12 +19,14 @@
(define-module (guix ui)
#:use-module (guix utils)
#:use-module (guix store)
#:use-module (guix config)
#:use-module (guix packages)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:export (_
N_
leave
show-version-and-exit
call-with-error-handling
with-error-handling))
@ -46,6 +48,12 @@ (define-syntax-rule (leave fmt args ...)
(format (current-error-port) fmt args ...)
(exit 1)))
(define* (show-version-and-exit #:optional (command (car (command-line))))
"Display version information for COMMAND and `(exit 0)'."
(simple-format #t "~a (~a) ~a~%"
command %guix-package-name %guix-version)
(exit 0))
(define (call-with-error-handling thunk)
"Call THUNK within a user-friendly error handler."
(guard (c ((package-input-error? c)