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-rw-r--r--guix/build/utils.scm7
1 files changed, 4 insertions, 3 deletions
diff --git a/guix/build/utils.scm b/guix/build/utils.scm
index 74165c717f..5d229b5f83 100644
--- a/guix/build/utils.scm
+++ b/guix/build/utils.scm
@@ -273,11 +273,12 @@ name matches REGEXP."
(lambda (file stat)
(regexp-exec file-rx (basename file)))))
-(define (find-files dir pred)
+(define* (find-files dir #:optional (pred (const #t)))
"Return the lexicographically sorted list of files under DIR for which PRED
returns true. PRED is passed two arguments: the absolute file name, and its
-stat buffer. PRED can also be a regular expression, in which case it is
-equivalent to (file-name-predicate PRED)."
+stat buffer; the default predicate always returns true. PRED can also be a
+regular expression, in which case it is equivalent to (file-name-predicate
+PRED)."
(let ((pred (if (procedure? pred)
pred
(file-name-predicate pred))))