diff options
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/emacs-build-system.scm | 22 | ||||
| -rw-r--r-- | guix/build/utils.scm | 23 |
2 files changed, 23 insertions, 22 deletions
diff --git a/guix/build/emacs-build-system.scm b/guix/build/emacs-build-system.scm index 1c48a1ab2e..aacb5a4186 100644 --- a/guix/build/emacs-build-system.scm +++ b/guix/build/emacs-build-system.scm @@ -150,28 +150,6 @@ second hyphen. This corresponds to 'name-version' as used in ELPA packages." strip-store-file-name) store-dir)) -;; from (guix utils). Should we put it in (guix build utils)? -(define (package-name->name+version name) - "Given NAME, a package name like \"foo-0.9.1b\", return two values: -\"foo\" and \"0.9.1b\". When the version part is unavailable, NAME and -#f are returned. The first hyphen followed by a digit is considered to -introduce the version part." - ;; See also `DrvName' in Nix. - - (define number? - (cut char-set-contains? char-set:digit <>)) - - (let loop ((chars (string->list name)) - (prefix '())) - (match chars - (() - (values name #f)) - ((#\- (? number? n) rest ...) - (values (list->string (reverse prefix)) - (list->string (cons n rest)))) - ((head tail ...) - (loop tail (cons head prefix)))))) - (define %standard-phases (modify-phases gnu:%standard-phases (delete 'configure) diff --git a/guix/build/utils.scm b/guix/build/utils.scm index b0abc69f0e..27207423c0 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -21,6 +21,7 @@ (define-module (guix build utils) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) + #:use-module (srfi srfi-26) #:use-module (srfi srfi-60) #:use-module (ice-9 ftw) #:use-module (ice-9 match) @@ -34,6 +35,7 @@ #:export (%store-directory store-file-name? strip-store-file-name + package-name->name+version parallel-job-count directory-exists? @@ -94,6 +96,27 @@ is typically a \"PACKAGE-VERSION\" string." (string-drop file (+ 34 (string-length (%store-directory))))) +(define (package-name->name+version name) + "Given NAME, a package name like \"foo-0.9.1b\", return two values: +\"foo\" and \"0.9.1b\". When the version part is unavailable, NAME and +#f are returned. The first hyphen followed by a digit is considered to +introduce the version part." + ;; See also `DrvName' in Nix. + + (define number? + (cut char-set-contains? char-set:digit <>)) + + (let loop ((chars (string->list name)) + (prefix '())) + (match chars + (() + (values name #f)) + ((#\- (? number? n) rest ...) + (values (list->string (reverse prefix)) + (list->string (cons n rest)))) + ((head tail ...) + (loop tail (cons head prefix)))))) + (define parallel-job-count ;; Number of processes to be passed next to GNU Make's `-j' argument. (make-parameter |