civodul pushed a commit to branch master
in repository guix.
commit 1b7dd99738f17d3e3ebc29500bc475f9dd214ba3
Author: Ludovic Courtès <[email protected]>
Date: Mon Jan 21 15:30:14 2019 +0100
deprecation: Add 'define-deprecated/alias'.
* guix/deprecation.scm (define-deprecated/alias): New macro.
---
guix/deprecation.scm | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/guix/deprecation.scm b/guix/deprecation.scm
index 453aad7..8d9e427 100644
--- a/guix/deprecation.scm
+++ b/guix/deprecation.scm
@@ -20,7 +20,7 @@
#:use-module (guix i18n)
#:use-module (ice-9 format)
#:export (define-deprecated
- without-deprecation-warnings
+ define-deprecated/alias
deprecation-warning-port))
;;; Commentary:
@@ -87,3 +87,23 @@ This will write a deprecation warning to
DEPRECATION-WARNING-PORT."
(id
(identifier? #'id)
#'real))))))))))
+
+(define-syntax-rule (define-deprecated/alias deprecated replacement)
+ "Define as an alias a deprecated variable, procedure, or macro, along
+these lines:
+
+ (define-deprecated/alias nix-server? store-connection?)
+
+where 'nix-server?' is the deprecated name for 'store-connection?'.
+
+This will write a deprecation warning to DEPRECATION-WARNING-PORT."
+ (define-syntax deprecated
+ (lambda (s)
+ (warn-about-deprecation 'deprecated (syntax-source s)
+ #:replacement 'replacement)
+ (syntax-case s ()
+ ((_ args (... ...))
+ #'(replacement args (... ...)))
+ (id
+ (identifier? #'id)
+ #'replacement)))))
