On Tue, 31 Oct 2017 14:41:46 +0100 Hartmut Goebel <h.goe...@crazy-compilers.com> wrote:
> Hallo, > > i replaced the code of gnu/system/install.scm(make-cow-store target) [1] > with the code below. Now when running this code (which is triggered by > "herd start cow-store /mnt" in the installation-os)|I get this error: > | > > herd: exception caught while executing 'start' on service 'cow-store': > ERROR: Unbound variable: gexp > > What is wrong with this code? (Parentheses are matching, of course :-) ... > ;; Mount the overlay, then atomically make it the store. > (mount "none" "/.rw-store" "overlay" > (string-append "lowerdir=" #$(%store-prefix) > "upperdir=" #~rw-dir "," > "workdir=" #~work-dir)) Here, as rw-dir and work-dir are just inside the gexp, you don't need to ungexp, or gexp them (as is being done here), so I'd remove the #~. This matches the error you're getting, as #~ is short for (gexp ...) as I understand it. > (mount "/.rw-store" #$(%store-prefix) "" MS_MOVE) > (rmdir "/.rw-store")))) >
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