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authorLudovic Courtès <ludo@gnu.org>2018-05-15 09:40:23 +0200
committerLudovic Courtès <ludo@gnu.org>2018-05-17 10:48:37 +0200
commit827c56515e06d21aaa23d60ed05b0c45d1d49901 (patch)
treeb77f21391a3ec3fd7192f78b28366d5162c75c9e /guix/build
parent7376ba4cd4d07b5640ab49acad371a8ef3f090bc (diff)
downloadgnu-guix-827c56515e06d21aaa23d60ed05b0c45d1d49901.tar
gnu-guix-827c56515e06d21aaa23d60ed05b0c45d1d49901.tar.gz
union: Do not warn about harmless collisions.
Until now we'd get pointless messages like: warning: collision encountered: /gnu/store/…-gtk-icon-themes/share/icons/hicolor/icon-theme.cache /gnu/store/…-inkscape-0.92.3/share/icons/hicolor/icon-theme.cache warning: choosing /gnu/store/…-gtk-icon-themes/share/icons/hicolor/icon-theme.cache * guix/build/union.scm (%harmless-collisions): New variable. (warn-about-collision): Honor it.
Diffstat (limited to 'guix/build')
-rw-r--r--guix/build/union.scm17
1 files changed, 13 insertions, 4 deletions
diff --git a/guix/build/union.scm b/guix/build/union.scm
index 24b366af45..fff795c4d3 100644
--- a/guix/build/union.scm
+++ b/guix/build/union.scm
@@ -81,14 +81,23 @@ identical, #f otherwise."
(or (eof-object? n1)
(loop))))))))))))))
+(define %harmless-collisions
+ ;; This is a list of files that are known to collide, but for which emitting
+ ;; a warning doesn't make sense. For example, "icon-theme.cache" is
+ ;; regenerated by a profile hook which shadows the file provided by
+ ;; individual packages, and "gschemas.compiled" is made available to
+ ;; applications via 'glib-or-gtk-build-system'.
+ '("icon-theme.cache" "gschemas.compiled"))
+
(define (warn-about-collision files)
"Handle the collision among FILES by emitting a warning and choosing the
first one of THEM."
- (format (current-error-port)
- "~%warning: collision encountered:~%~{ ~a~%~}"
- files)
(let ((file (first files)))
- (format (current-error-port) "warning: choosing ~a~%" file)
+ (unless (member (basename file) %harmless-collisions)
+ (format (current-error-port)
+ "~%warning: collision encountered:~%~{ ~a~%~}"
+ files)
+ (format (current-error-port) "warning: choosing ~a~%" file))
file))
(define* (union-build output inputs