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authorLudovic Courtès <ludo@gnu.org>2019-09-15 23:55:19 +0200
committerLudovic Courtès <ludo@gnu.org>2019-09-23 10:38:44 +0200
commit192ee02aeb3d2f6d14ea93cfc43b30dd93df80e8 (patch)
treec7da8b7da22143f0e70ada43c06e34f03284a6fd
parent7faffdc2d53b982d8443c376d6ed2f41a13b3f36 (diff)
downloadguix-192ee02aeb3d2f6d14ea93cfc43b30dd93df80e8.tar.gz
guix-192ee02aeb3d2f6d14ea93cfc43b30dd93df80e8.zip
pull: '-l' displays channel news.
* guix/scripts/pull.scm (display-channel-news): Make 'previous' a parameter. (process-query)[list-generations]: Call 'display-channel-news'.
-rw-r--r--guix/scripts/pull.scm14
1 files changed, 8 insertions, 6 deletions
diff --git a/guix/scripts/pull.scm b/guix/scripts/pull.scm
index d734df5e24..4a4756dc6e 100644
--- a/guix/scripts/pull.scm
+++ b/guix/scripts/pull.scm
@@ -272,12 +272,12 @@ and NEW are <channel> records with a proper 'commit' field."
(for-each (cut display-news-entry <> language port) entries)
(newline port)))))))
-(define (display-channel-news profile)
- "Display news about the channels of PROFILE "
- (define previous
- (and=> (relative-generation profile -1)
- (cut generation-file-name profile <>)))
-
+(define* (display-channel-news profile
+ #:optional
+ (previous
+ (and=> (relative-generation profile -1)
+ (cut generation-file-name profile <>))))
+ "Display news about the channels of PROFILE compared to PREVIOUS."
(when previous
(let ((old-channels (profile-channels previous))
(new-channels (profile-channels profile)))
@@ -614,6 +614,8 @@ display long package lists that would fill the user's screen."
((first second rest ...)
(display-profile-content-diff profile
first second)
+ (display-channel-news (generation-file-name profile second)
+ (generation-file-name profile first))
(loop (cons second rest)))
((_) #t)
(() #t))))))