diff options
Diffstat (limited to 'gnu/system/file-systems.scm')
| -rw-r--r-- | gnu/system/file-systems.scm | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm index f4cfaf0990..116e2813e8 100644 --- a/gnu/system/file-systems.scm +++ b/gnu/system/file-systems.scm @@ -40,6 +40,7 @@ file-system-dependencies file-system->spec + specification->file-system-mapping uuid %fuse-control-file-system @@ -105,6 +106,23 @@ initrd code." (($ <file-system> device title mount-point type flags options _ _ check?) (list device title mount-point type flags options check?)))) +(define (specification->file-system-mapping spec writable?) + "Read the SPEC and return the corresponding <file-system-mapping>. SPEC is +a string of the form \"SOURCE\" or \"SOURCE=TARGET\". The former specifies +that SOURCE from the host should be mounted at SOURCE in the other system. +The latter format specifies that SOURCE from the host should be mounted at +TARGET in the other system." + (let ((index (string-index spec #\=))) + (if index + (file-system-mapping + (source (substring spec 0 index)) + (target (substring spec (+ 1 index))) + (writable? writable?)) + (file-system-mapping + (source spec) + (target spec) + (writable? writable?))))) + (define-syntax uuid (lambda (s) "Return the bytevector corresponding to the given UUID representation." |