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xbps-uchroot.8: document -t and detail -o.

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Juan RP 2015-04-27 17:50:46 +02:00
parent 93c85e8038
commit 6a087f5a1f
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bin/xbps-uchroot/xbps-uchroot.8
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@ -1,4 +1,4 @@
.Dd April 20, 2014 .Dd April 27, 2014
.Dt XBPS-UCHROOT 8 .Dt XBPS-UCHROOT 8
.Sh NAME .Sh NAME
.Nm xbps-uchroot .Nm xbps-uchroot
@ -39,15 +39,22 @@ If your system uses
use it, otherwise use use it, otherwise use
.Sy /run/shm . .Sy /run/shm .
.It Fl O .It Fl O
Setups a temporary directory mounted on tmpfs and then creates an overlay layer Setups a temporary directory and then creates an overlay layer (via overlayfs)
(via overlayfs) with the lowerdir set to CHROOTDIR. Useful to create a temporary with the lowerdir set to CHROOTDIR. Useful to create a temporary tree that does not
tree that does not preserve changes in CHROOTDIR. preserve changes in CHROOTDIR.
.It Fl o Ar opts .It Fl o Ar opts
Arguments passed to the tmpfs mount, if the Arguments passed to the tmpfs mount, if the
.Fl O .Fl O
option is specified. and
.Fl t
options are specified.
This expects the same arguments that are accepted as options in tmpfs, as explained in This expects the same arguments that are accepted as options in tmpfs, as explained in
.Xr mount 8 . .Xr mount 8 .
.It Fl t
This makes the temporary directory to be mounted in tmpfs, so that everything is stored
in RAM. Note that this is only useful if used with the
.Fl O
option (overlayfs).
.El .El
.Sh SECURITY .Sh SECURITY
The The