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| author | Ludovic Courtès <ludo@gnu.org> | 2017-04-07 22:20:28 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2017-04-07 23:30:38 +0200 |
| commit | 83cfa0247b68adf8fc6461792aa7cdc4f0d838ae (patch) | |
| tree | 232b382aeb7e47f284d4b8c43c518f3cfa40909f /guix | |
| parent | d10fa5c7ff878ad4723e1946d4c308261cd9e98f (diff) | |
| download | gnu-guix-83cfa0247b68adf8fc6461792aa7cdc4f0d838ae.tar gnu-guix-83cfa0247b68adf8fc6461792aa7cdc4f0d838ae.tar.gz | |
pack: Add '--expression'.
* guix/scripts/pack.scm (%options, show-help): Add '--expression'.
(guix-pack)[maybe-package-argument]: New procedure.
Use it, and remove variable 'specs'.
* doc/guix.texi (Invoking guix pack): Document '--expression'.
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/scripts/pack.scm | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm index 9e91bc22ac..165e4ccf2a 100644 --- a/guix/scripts/pack.scm +++ b/guix/scripts/pack.scm @@ -280,6 +280,9 @@ the image." (option '(#\f "format") #t #f (lambda (opt name arg result) (alist-cons 'format (string->symbol arg) result))) + (option '(#\e "expression") #t #f + (lambda (opt name arg result) + (alist-cons 'expression arg result))) (option '(#\s "system") #t #f (lambda (opt name arg result) (alist-cons 'system arg @@ -323,6 +326,8 @@ Create a bundle of PACKAGE.\n")) (display (_ " -f, --format=FORMAT build a pack in the given FORMAT")) (display (_ " + -e, --expression=EXPR consider the package EXPR evaluates to")) + (display (_ " -s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\"")) (display (_ " --target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\"")) @@ -349,20 +354,22 @@ Create a bundle of PACKAGE.\n")) (define opts (parse-command-line args %options (list %default-options))) + (define maybe-package-argument + ;; Given an option pair, return a package, a package/output tuple, or #f. + (match-lambda + (('argument . spec) + (call-with-values + (lambda () + (specification->package+output spec)) + list)) + (('expression . exp) + (read/eval-package-expression exp)) + (x #f))) + (with-error-handling (parameterize ((%graft? (assoc-ref opts 'graft?))) - (let* ((dry-run? (assoc-ref opts 'dry-run?)) - (specs (filter-map (match-lambda - (('argument . name) - name) - (x #f)) - opts)) - (packages (map (lambda (spec) - (call-with-values - (lambda () - (specification->package+output spec)) - list)) - specs)) + (let* ((dry-run? (assoc-ref opts 'dry-run?)) + (packages (filter-map maybe-package-argument opts)) (pack-format (assoc-ref opts 'format)) (name (string-append (symbol->string pack-format) "-pack")) |