(define-module (gnu build accounts)
#:use-module (guix records)
#:use-module (guix combinators)
+ #:use-module ((guix build syscalls) #:select (fdatasync))
#:use-module (gnu system accounts)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
;; grab this lock with 'with-file-lock' when they access the databases.
"/etc/.pwd.lock")
+(define-syntax-rule (catch-ENOSYS exp)
+ (catch 'system-error
+ (lambda () exp)
+ (lambda args
+ (if (= ENOSYS (system-error-errno args))
+ #f
+ (apply throw args)))))
+
(define (database-writer file mode entry->string)
(lambda* (entries #:optional (file-or-port file))
"Write ENTRIES to FILE-OR-PORT. When FILE-OR-PORT is a file name, write
(lambda ()
(chmod port mode)
(write-entries port)
+
+ ;; XXX: When booting with the statically-linked Guile,
+ ;; 'fdatasync' is unavailable.
+ (catch-ENOSYS (fdatasync port))
+
(close-port port)
(rename-file template file-or-port))
(lambda ()