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-rw-r--r--guix/store.scm11
1 files changed, 6 insertions, 5 deletions
diff --git a/guix/store.scm b/guix/store.scm
index 933708defc..7b13334952 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -610,11 +610,12 @@ path."
store-path)))
(lambda (server basename recursive? hash-algo file-name)
"Add the contents of FILE-NAME under BASENAME to the store. When
-RECURSIVE? is true and FILE-NAME designates a directory, the contents of
-FILE-NAME are added recursively; if FILE-NAME designates a flat file and
-RECURSIVE? is true, its contents are added, and its permission bits are
-kept. HASH-ALGO must be a string such as \"sha256\"."
- (let* ((st (stat file-name #f))
+RECURSIVE? is false, FILE-NAME must designate a regular file--not a directory
+nor a symlink. When RECURSIVE? is true and FILE-NAME designates a directory,
+the contents of FILE-NAME are added recursively; if FILE-NAME designates a
+flat file and RECURSIVE? is true, its contents are added, and its permission
+bits are kept. HASH-ALGO must be a string such as \"sha256\"."
+ (let* ((st (false-if-exception (lstat file-name)))
(args `(,st ,basename ,recursive? ,hash-algo))
(cache (nix-server-add-to-store-cache server)))
(or (and st (hash-ref cache args))