febootstrap-run - Run extra commands in febootstrap root filesystem
febootstrap-run [--options] DIR [--] [CMD ...]
This can be used to run extra commands in the febootstrap root
filesystem. It is just a simple wrapper around the standard "fakeroot"
and "fakechroot" commands.
If given, the "CMD ..." is run inside the root filesystem. The command
acts as if it was run as root and chrooted into the root filesystem.
If the command is omitted, then we start a shell.
If "CMD ..." could contain anything starting with a "-" character then
use "--" to separate "febootstrap-run" parameters from the command:
febootstrap-run ./f10 -- ls -l
Usually any changes to permissions made by the command are recorded
in the "fakeroot.log" file. However if "--ro" flag is given, then
changes to permissions are not recorded. (Note: changes to file
contents still happen).
Remove a directory subtree safely:
febootstrap-run initramfs -- rm -r /etc
(This requires that you have a compatible ’rm’ command in the root).
Another way to do complex operations from a script is to export a
# complex operations inside the root
export -f do_stuff
febootstrap-run root -- bash -c do_stuff
Some fakechroot(1) environment variables are applicable. In particular
you may want to set:
febootstrap(8), febootstrap-install(8), fakeroot(1), fakechroot(1).
Richard W.M. Jones <rjones @ redhat . com>
(C) Copyright 2009 Red Hat Inc.,
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
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This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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