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-rw-r--r--guix/scripts/publish.scm12
-rw-r--r--tests/publish.scm5
2 files changed, 15 insertions, 2 deletions
diff --git a/guix/scripts/publish.scm b/guix/scripts/publish.scm
index e8faf379e2..e3c8711f5b 100644
--- a/guix/scripts/publish.scm
+++ b/guix/scripts/publish.scm
@@ -583,7 +583,10 @@ requested using POOL."
;; guarantee the TTL (see <https://bugs.gnu.org/28664>.)
(with-atomic-file-output nar
(lambda (port)
- (write-file item port))))))
+ (write-file item port)
+ ;; Make the file world-readable, contrary to what
+ ;; 'with-atomic-file-output' does.
+ (chmod port (logand #o644 (lognot (umask)))))))))
(define* (bake-narinfo+nar cache item
#:key ttl (compressions (list %no-compression))
@@ -615,7 +618,12 @@ requested using POOL."
#:nar-path nar-path
#:compressions compressions
#:file-sizes sizes)
- port)))))
+ port)))
+
+ ;; Make the cached narinfo world-readable, contrary to what
+ ;; 'with-atomic-file-output' does, so that other users can rsync
+ ;; the whole cache.
+ (chmod port (logand #o644 (lognot (umask))))))
;; Make narinfo files for OTHERS hard links to NARINFO such that the
;; atime-based cache eviction considers either all the nars or none
diff --git a/tests/publish.scm b/tests/publish.scm
index e46e6256b7..cafd0f13a2 100644
--- a/tests/publish.scm
+++ b/tests/publish.scm
@@ -434,6 +434,11 @@ References: ~%"
(< ttl 3600)))
(wait-for-file cached)
+
+ ;; Both the narinfo and nar should be world-readable.
+ (= #o644 (stat:perms (lstat cached)))
+ (= #o644 (stat:perms (lstat nar)))
+
(let* ((body (http-get-port url))
(compressed (http-get nar-url))
(uncompressed (http-get (string-append base "nar/"