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[bug#57460] [PATCH 17/20] refresh: Allow updating to a specific version

From: Hartmut Goebel
Subject: [bug#57460] [PATCH 17/20] refresh: Allow updating to a specific version (documentation)
Date: Sun, 28 Aug 2022 15:18:43 +0200

 doc/guix.texi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/doc/guix.texi b/doc/guix.texi
index 7bce8a567c..c459fa6d4d 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -13747,6 +13747,19 @@ gnu/packages/multiprecision.scm:40:12: 6.1.2 is 
already the latest version of gm
 @end table
+If for some reason you don't want to update to the latest version,
+you can update to a specific version by passing a package specification.
+However, not all updaters support this.
+$ guix refresh trytond-party
+gnu/packages/tryton.scm:2101:13: trytond-party would be upgraded from 6.2.0 to 
+$ guix refresh -u trytond-party@@6.2.1
+gnu/packages/tryton.scm:2101:13: trytond-party: updating from version 6.2.0 to 
version 6.2.1...
+@end example
 Sometimes the upstream name differs from the package name used in Guix,
 and @command{guix refresh} needs a little help.  Most updaters honor the
 @code{upstream-name} property in package definitions, which can be used

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