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file-systems: Allow for bind-mounts of named sockets. 

Previously a named socket such as /dev/log would fail
the 'regular-file?' test and we'd end up mkdir'ing it.

* gnu/build/file-systems.scm (regular-file?): Remove.
(mount-file-system): Change (regular-file? source)
to (not (file-is-directory? source)).
This commit is contained in:
Ludovic Courtès 2017-04-12 16:26:00 +02:00
parent 6ddf4fcfae
commit bb5cad4eb2
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1 changed files with 2 additions and 6 deletions
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8
gnu/build/file-systems.scm
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@ -565,10 +565,6 @@ corresponds to the symbols listed in FLAGS."
(()
0))))
(define (regular-file? file-name)
"Return #t if FILE-NAME is a regular file."
(eq? (stat:type (stat file-name)) 'regular))
(define* (mount-file-system spec #:key (root "/root"))
"Mount the file system described by SPEC under ROOT. SPEC must have the
form:
@ -608,9 +604,9 @@ run a file system check."
(check-file-system source type))
;; Create the mount point. Most of the time this is a directory, but
;; in the case of a bind mount, a regular file may be needed.
;; in the case of a bind mount, a regular file or socket may be needed.
(if (and (= MS_BIND (logand flags MS_BIND))
(regular-file? source))
(not (file-is-directory? source)))
(unless (file-exists? mount-point)
(mkdir-p (dirname mount-point))
(call-with-output-file mount-point (const #t)))