From a5975cedf27b3cb149629fe16846a6aeff17a96b Mon Sep 17 00:00:00 2001 From: Ludovic Courtès <ludo@gnu.org> Date: Sat, 27 Apr 2013 16:46:39 +0200 Subject: ui: Add `args-fold*' and use it. * guix/ui.scm (args-fold*): New procedure. * guix/scripts/build.scm, guix/scripts/download.scm, guix/scripts/gc.scm, guix/scripts/hash.scm, guix/scripts/import.scm, guix/scripts/package.scm, guix/scripts/pull.scm, guix/scripts/refresh.scm: Use `args-fold*' instead of `args-fold'. --- guix/scripts/build.scm | 12 ++++++------ guix/scripts/download.scm | 12 ++++++------ guix/scripts/gc.scm | 12 ++++++------ guix/scripts/hash.scm | 14 +++++++------- guix/scripts/import.scm | 12 ++++++------ guix/scripts/package.scm | 12 ++++++------ guix/scripts/pull.scm | 12 ++++++------ guix/scripts/refresh.scm | 12 ++++++------ guix/ui.scm | 14 ++++++++++++++ 9 files changed, 63 insertions(+), 49 deletions(-) diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm index 0bf154dd41..4464d84dfc 100644 --- a/guix/scripts/build.scm +++ b/guix/scripts/build.scm @@ -149,12 +149,12 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n")) (define (guix-build . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "~A: unrecognized option~%") name)) - (lambda (arg result) - (alist-cons 'argument arg result)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "~A: unrecognized option~%") name)) + (lambda (arg result) + (alist-cons 'argument arg result)) + %default-options)) (define (register-root paths root) ;; Register ROOT as an indirect GC root for all of PATHS. diff --git a/guix/scripts/download.scm b/guix/scripts/download.scm index 220211e6b8..da5fa5be9e 100644 --- a/guix/scripts/download.scm +++ b/guix/scripts/download.scm @@ -90,12 +90,12 @@ Supported formats: 'nix-base32' (default), 'base32', and 'base16' (define (guix-download . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "~A: unrecognized option~%") name)) - (lambda (arg result) - (alist-cons 'argument arg result)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "~A: unrecognized option~%") name)) + (lambda (arg result) + (alist-cons 'argument arg result)) + %default-options)) (with-error-handling (let* ((opts (parse-options)) diff --git a/guix/scripts/gc.scm b/guix/scripts/gc.scm index 7625bc46e6..cecb68ec36 100644 --- a/guix/scripts/gc.scm +++ b/guix/scripts/gc.scm @@ -141,12 +141,12 @@ interpreted." (define (guix-gc . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "~A: unrecognized option~%") name)) - (lambda (arg result) - (alist-cons 'argument arg result)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "~A: unrecognized option~%") name)) + (lambda (arg result) + (alist-cons 'argument arg result)) + %default-options)) (define (symlink-target file) (let ((s (false-if-exception (lstat file)))) diff --git a/guix/scripts/hash.scm b/guix/scripts/hash.scm index ad05a4e66f..deded63136 100644 --- a/guix/scripts/hash.scm +++ b/guix/scripts/hash.scm @@ -90,13 +90,13 @@ Supported formats: 'nix-base32' (default), 'base32', and 'base16' (define (guix-hash . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "unrecognized option: ~a~%") - name)) - (lambda (arg result) - (alist-cons 'argument arg result)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "unrecognized option: ~a~%") + name)) + (lambda (arg result) + (alist-cons 'argument arg result)) + %default-options)) (let* ((opts (parse-options)) (args (filter-map (match-lambda diff --git a/guix/scripts/import.scm b/guix/scripts/import.scm index 0b95afced1..6f75017d6e 100644 --- a/guix/scripts/import.scm +++ b/guix/scripts/import.scm @@ -95,12 +95,12 @@ Import and convert the Nix expression ATTRIBUTE of NIXPKGS.\n")) (define (guix-import . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "~A: unrecognized option~%") name)) - (lambda (arg result) - (alist-cons 'argument arg result)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "~A: unrecognized option~%") name)) + (lambda (arg result) + (alist-cons 'argument arg result)) + %default-options)) (let* ((opts (parse-options)) (args (filter-map (match-lambda diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm index c5656efc14..cea49a57f4 100644 --- a/guix/scripts/package.scm +++ b/guix/scripts/package.scm @@ -446,12 +446,12 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) (define (guix-package . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "~A: unrecognized option~%") name)) - (lambda (arg result) - (leave (_ "~A: extraneous argument~%") arg)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "~A: unrecognized option~%") name)) + (lambda (arg result) + (leave (_ "~A: extraneous argument~%") arg)) + %default-options)) (define (guile-missing?) ;; Return #t if %GUILE-FOR-BUILD is not available yet. diff --git a/guix/scripts/pull.scm b/guix/scripts/pull.scm index f99e8c1e3d..f4135efc99 100644 --- a/guix/scripts/pull.scm +++ b/guix/scripts/pull.scm @@ -173,12 +173,12 @@ Download and deploy the latest version of Guix.\n")) (define (guix-pull . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "~A: unrecognized option~%") name)) - (lambda (arg result) - (leave (_ "~A: unexpected argument~%") arg)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "~A: unrecognized option~%") name)) + (lambda (arg result) + (leave (_ "~A: unexpected argument~%") arg)) + %default-options)) (with-error-handling (let ((opts (parse-options)) diff --git a/guix/scripts/refresh.scm b/guix/scripts/refresh.scm index da318b07ad..6584282f93 100644 --- a/guix/scripts/refresh.scm +++ b/guix/scripts/refresh.scm @@ -93,12 +93,12 @@ specified with `--select'.\n")) (define (guix-refresh . args) (define (parse-options) ;; Return the alist of option values. - (args-fold args %options - (lambda (opt name arg result) - (leave (_ "~A: unrecognized option~%") name)) - (lambda (arg result) - (alist-cons 'argument arg result)) - %default-options)) + (args-fold* args %options + (lambda (opt name arg result) + (leave (_ "~A: unrecognized option~%") name)) + (lambda (arg result) + (alist-cons 'argument arg result)) + %default-options)) (define core-package? (let* ((input->package (match-lambda diff --git a/guix/ui.scm b/guix/ui.scm index f8826cd488..7a37ad2cee 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -29,6 +29,7 @@ #:use-module (srfi srfi-11) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) + #:use-module (srfi srfi-37) #:use-module (ice-9 match) #:use-module (ice-9 format) #:export (_ @@ -46,6 +47,7 @@ fill-paragraph string->recutils package->recutils + args-fold* run-guix-command program-name guix-warning-port @@ -370,6 +372,18 @@ WIDTH columns." (and=> (package-description p) description->recutils)) (newline port)) +(define (args-fold* options unrecognized-option-proc operand-proc . seeds) + "A wrapper on top of `args-fold' that does proper user-facing error +reporting." + (catch 'misc-error + (lambda () + (apply args-fold options unrecognized-option-proc + operand-proc seeds)) + (lambda (key proc msg args . rest) + ;; XXX: MSG is not i18n'd. + (leave (_ "invalid argument: ~a~%") + (apply format #f msg args))))) + (define (show-guix-usage) ;; TODO: Dynamically generate a summary of available commands. (format (current-error-port) -- cgit v1.2.3