Maxim Cournoyer 41f27bf870
guix: system: Make disk-image root file system non-volatile by default.
And add a new '--volatile' option to have it volatile otherwise.

* guix/scripts/system.scm (%options)[volatile-root?]: New boolean option.
(%default-options): Set its default value to #f.
(show-help): Add help doc.
* guix/scripts/system.scm (perform-action): Propagate option...
(system-derivation-for-action): ...here.  Use it to set the volatile-root?
field of the image object passed to SYSTEM-IMAGE.
* doc/guix.texi (Invoking guix system): Document it.
2020-11-17 15:20:03 -05:00
..
2020-01-12 00:19:10 +01:00
2020-10-27 00:40:24 +01:00