diff options
Diffstat (limited to 'guix')
-rw-r--r-- | guix/scripts/import/hackage.scm | 2 | ||||
-rw-r--r-- | guix/ui.scm | 4 | ||||
-rw-r--r-- | guix/utils.scm | 15 |
3 files changed, 15 insertions, 6 deletions
diff --git a/guix/scripts/import/hackage.scm b/guix/scripts/import/hackage.scm index 4e84278a78..f2c20026b6 100644 --- a/guix/scripts/import/hackage.scm +++ b/guix/scripts/import/hackage.scm @@ -46,7 +46,7 @@ (define (show-help) (display (_ "Usage: guix import hackage PACKAGE-NAME Import and convert the Hackage package for PACKAGE-NAME. If PACKAGE-NAME -includes a suffix constituted by a dash followed by a numerical version (as +includes a suffix constituted by a at-sign followed by a numerical version (as used with Guix packages), then a definition for the specified version of the package will be generated. If no version suffix is pecified, then the generated package definition will correspond to the latest available diff --git a/guix/ui.scm b/guix/ui.scm index 7310773310..a3ec6834b6 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -1081,9 +1081,9 @@ package name, version number (or #f), and output name (or OUTPUT). SPEC may optionally contain a version number and an output name, as in these examples: guile - guile-2.0.9 + guile@2.0.9 guile:debug - guile-2.0.9:debug + guile@2.0.9:debug " (let*-values (((name sub-drv) (match (string-rindex spec #\:) diff --git a/guix/utils.scm b/guix/utils.scm index c61f105513..de541799fa 100644 --- a/guix/utils.scm +++ b/guix/utils.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2013, 2014, 2015 Mark H Weaver <mhw@netris.org> ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org> ;;; Copyright © 2014 Ian Denhardt <ian@zenhack.net> +;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org> ;;; Copyright © 2015 David Thompson <davet@gnu.org> ;;; ;;; This file is part of GNU Guix. @@ -31,8 +32,7 @@ #:use-module (rnrs bytevectors) #:use-module (rnrs io ports) #:use-module ((rnrs bytevectors) #:select (bytevector-u8-set!)) - #:use-module ((guix build utils) - #:select (dump-port package-name->name+version)) + #:use-module ((guix build utils) #:select (dump-port)) #:use-module ((guix build syscalls) #:select (errno mkdtemp!)) #:use-module (ice-9 vlist) #:use-module (ice-9 format) @@ -42,7 +42,6 @@ #:use-module (ice-9 match) #:use-module (ice-9 format) #:use-module (system foreign) - #:re-export (package-name->name+version) #:export (bytevector->base16-string base16-string->bytevector @@ -66,6 +65,7 @@ gnu-triplet->nix-system %current-system %current-target-system + package-name->name+version version-compare version>? version>=? @@ -544,6 +544,15 @@ returned by `config.guess'." ;; cross-building to. (make-parameter #f)) +(define (package-name->name+version spec) + "Given SPEC, a package name like \"foo@0.9.1b\", return two values: \"foo\" +and \"0.9.1b\". When the version part is unavailable, SPEC and #f are +returned. Both parts must not contain any '@'." + (match (string-rindex spec #\@) + (#f (values spec #f)) + (idx (values (substring spec 0 idx) + (substring spec (1+ idx)))))) + (define version-compare (let ((strverscmp (let ((sym (or (dynamic-func "strverscmp" (dynamic-link)) |