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<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!--
Copyright 2018 Matthew Leeds <matthew.leeds@endlessm.com>
SPDX-License-Identifier: LGPL-2.0+
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <https://www.gnu.org/licenses/>.
-->
<refentry id="ostree">
<refentryinfo>
<title>ostree create-usb</title>
<productname>OSTree</productname>
<authorgroup>
<author>
<contrib>Developer</contrib>
<firstname>Matthew</firstname>
<surname>Leeds</surname>
<email>matthew.leeds@endlessm.com</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>ostree create-usb</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>ostree-create-usb</refname>
<refpurpose>Put the given refs on an external drive for P2P distribution.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>ostree create-usb</command> <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">MOUNT-PATH</arg> <arg choice="req">COLLECTION-ID REF</arg> <arg choice="opt" rep="repeat">COLLECTION-ID REF</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
This command creates a repository in MOUNT-PATH and pulls the given
REF(s) into it so they can be found and pulled from (perhaps by another computer that's offline).
See
<citerefentry><refentrytitle>ostree-find-remotes</refentrytitle><manvolnum>1</manvolnum></citerefentry>
for more information on P2P distribution.
</para>
<para>
In order for ostree to pull refs from a mounted filesystem (such as
a USB drive) the repo must be in a standard location. Specifically,
subdirectories of <filename>.ostree/repos.d</filename> are checked,
then <filename>.ostree/repo</filename>, <filename>ostree/repo</filename>,
and <filename>var/lib/flatpak/repo</filename> are checked. By default
<command>ostree create-usb</command> uses <filename>.ostree/repo</filename>,
but if you specify another location using <option>--destination-repo</option>
a symbolic link will be created for you in <filename>.ostree/repos.d</filename>.
</para>
<para>
This command will regenerate the <filename>summary</filename> file
in the destination repo so that it stays accurate, so you shouldn't
try to use summary signatures in the destination repo. This
shouldn't be a concern because clients that support pulling from
USB mounts use signed per-repo and per-commit metadata instead of
summary signatures.
</para>
</refsect1>
<refsect1>
<title>Options</title>
<variablelist>
<varlistentry>
<term><option>--disable-fsync</option></term>
<listitem><para>
Do not invoke fsync().
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--destination-repo</option>=DEST</term>
<listitem><para>
Create the repository in DEST under MOUNT-PATH, rather than
the default location.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--commit</option>=COMMIT</term>
<listitem><para>
Pull COMMIT instead of whatever REF points to. This can only
be used if a single ref is specified.
</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Example</title>
<para><command>ostree --repo=/var/lib/flatpak/repo create-usb /run/media/mwleeds/f6d04c7a-60f6-4ba3-bb96-0f40498675be com.exampleos.Apps app/org.kde.Khangman/x86_64/stable com.exampleos.Apps ostree-metadata com.exampleos.Apps appstream/x86_64</command></para>
<programlisting>
5 metadata, 213 content objects imported; 1 KiB transferred in 1 seconds Copied 3/3 refs successfully from ‘/var/lib/flatpak/repo’ to ‘.ostree/repo’ repository in ‘/run/media/mwleeds/f6d04c7a-60f6-4ba3-bb96-0f40498675be’.
</programlisting>
</refsect1>
</refentry>
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