From 8f4acad71b3afa56f2b54ada1cee2c25f7ded45f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= Date: Sun, 19 Mar 2017 17:37:49 +0100 Subject: [PATCH] gnu: Add 'package-for-guile-2.0'. * gnu/packages/guile.scm (guile-2.2-package-name): Rename to... (guile-variant-package-name): ... this. Change to return a lambda. (package-for-guile-2.2): Adjust accordingly. (package-for-guile-2.0): New procedure. --- gnu/packages/guile.scm | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/gnu/packages/guile.scm b/gnu/packages/guile.scm index c172fd3fc1..8313f3f933 100644 --- a/gnu/packages/guile.scm +++ b/gnu/packages/guile.scm @@ -261,20 +261,25 @@ without requiring the source code to be rewritten.") (files '("lib/guile/2.2/site-ccache" "share/guile/site/2.2"))))))) -(define (guile-2.2-package-name name) - "Return NAME with a \"guile2.2-\" prefix instead of \"guile-\", when -applicable." - (if (string-prefix? "guile-" name) - (string-append "guile2.2-" - (string-drop name - (string-length "guile-"))) - name)) +(define (guile-variant-package-name prefix) + (lambda (name) + "Return NAME with PREFIX instead of \"guile-\", when applicable." + (if (string-prefix? "guile-" name) + (string-append prefix "-" + (string-drop name + (string-length "guile-"))) + name))) (define package-for-guile-2.2 ;; A procedure that rewrites the dependency tree of the given package to use ;; GUILE-2.2 instead of GUILE-2.0. (package-input-rewriting `((,guile-2.0 . ,guile-2.2)) - guile-2.2-package-name)) + (guile-variant-package-name "guile2.2"))) + +(define package-for-guile-2.0 + ;; Likewise, but the other way around. :-) + (package-input-rewriting `((,guile-2.2 . ,guile-2.0)) + (guile-variant-package-name "guile2.0"))) (define-public guile-for-guile-emacs (package (inherit guile-2.2)