[bug#74654] [PATCH 4/5] guix build: Last argument of ‘dependents’ is optional.

["Ludovic Courtès" <ludo@gnu.org>]

* guix/scripts/build.scm (dependents): Make ‘max-depth’ optional.
Improve docstring.

Change-Id: Ibeffcf15297ecba3d4000b3adb4e3bc7853f6957
---
 guix/scripts/build.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm
index 0080f1fe58..f0a637a2ef 100644
--- a/guix/scripts/build.scm
+++ b/guix/scripts/build.scm
@@ -564,8 +564,8 @@ (define %options
                  %standard-cross-build-options
                  %standard-native-build-options)))
 
-(define (dependents store packages max-depth)
-  "List all the things that would need to be rebuilt if PACKAGES are changed."
+(define* (dependents store packages #:optional (max-depth +inf.0))
+  "Return the list of dependents of all of PACKAGES up to distance MAX-DEPTH."
   ;; Using %BAG-NODE-TYPE is more accurate than using %PACKAGE-NODE-TYPE
   ;; because it includes implicit dependencies.
   (define (get-dependents packages edges)
-- 
2.46.0