mirror of
https://github.com/ostreedev/ostree.git
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4db2ba0eb1
In some cases such as backups or mirroring you may want to pull commits from one repo to another even if there commits that have incorrect bindings. Fixing the commits in the source repository to have correct bindings may not be feasible, so provide a pull option to disable verification. For Endless we have several repositories that predate collection IDs and ref bindings. Later these repositories gained collection IDs to support the features they provide and ref bindings as the ostree tooling was upgraded. These repositories contain released commits that were valid to the clients they were targeting at the time. Correcting the bindings is not really an option as it would mean invalidating the repository history.
200 lines
6.8 KiB
XML
200 lines
6.8 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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Copyright 2014 Anne LoVerso <anne.loverso@students.olin.edu>
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SPDX-License-Identifier: LGPL-2.0+
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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-->
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<refentry id="ostree">
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<refentryinfo>
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<title>ostree pull</title>
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<productname>OSTree</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Colin</firstname>
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<surname>Walters</surname>
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<email>walters@verbum.org</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>ostree pull</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>ostree-pull</refname>
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<refpurpose>Download data from a remote repository</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>ostree pull <arg choice="req">REMOTE</arg> <arg choice="opt">BRANCH</arg></command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Options</title>
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<variablelist>
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<varlistentry>
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<term><option>--commit-metadata-only</option></term>
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<listitem><para>
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Fetch only the commit metadata.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--disable-fsync</option></term>
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<listitem><para>
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Do no invoke fsync().
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--localcache-repo</option></term>
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<listitem><para>
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Like git's <literal>clone --reference</literal>. Reuse the provided
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OSTree repo as a local object cache when doing HTTP fetches.
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May be specified multiple times.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--untrusted</option></term>
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<listitem><para>
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Do not trust local sources, verify checksums and don't hardlink into source.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--disable-static-deltas</option></term>
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<listitem><para>
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Do not use static deltas.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--mirror</option></term>
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<listitem><para>
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Write refs suitable for a mirror, i.e. refs are stored in the
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<literal>heads/</literal> directory rather than the
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<literal>remotes/</literal> directory. This makes the target repo
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suitable to be exported for other clients to pull from as an ostree
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remote. If no specific refs are specified, all refs will be fetched (the
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remote must have a summary file present).
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--subpath</option>=SUBPATH</term>
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<listitem><para>
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Only pull the provided subpath.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--depth</option>=DEPTH</term>
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<listitem><para>
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Traverse DEPTH parents (-1=infinite) (default: 0).
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--network-retries</option>=N</term>
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<listitem><para>
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Specifies how many times each download should be retried upon error (default: 5)
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--disable-verify-bindings</option></term>
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<listitem><para>
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Disable verification of commit metadata bindings.
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</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Description</title>
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<para>
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Without --mirror, this command will create new refs
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under <literal>remotes/REMOTE/</literal> directory
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for each pulled branch unless they are already created. Such
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refs can be then referenced by <literal>REMOTE:BRANCH</literal> in
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<literal>ostree</literal> subcommands (e.g. <literal>ostree log origin:exampleos/x86_64/standard</literal>).
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</para>
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<para>
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This command can retrieve just a specific commit, or go all
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the way to performing a full mirror of the remote
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repository. If no <literal>BRANCH</literal> is specified,
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all configured branches are retrieved.
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</para>
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<para>
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A special syntax in the <literal>@</literal> character allows
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specifying a specific commit to retrieve from a branch. The
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use cases for this are somewhat similar to pulling a specific
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git tag; one could e.g. script a system upgrade to a known-good
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version, rather than the latest from the content provider.
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</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<para><command>$ ostree --repo=repo pull --depth=-1 --mirror remote_name</command></para>
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<para>Perform a complete mirror of the remote. (This is
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likely most useful if your repository is also
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<literal>archive</literal> mode)</para>
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<para><command>$ ostree --repo=repo pull remote_name exampleos/x86_64/standard</command></para>
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<para>Fetch the most recent commit to <literal>exampleos/x86_64/standard</literal>.</para>
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<para><command>$ ostree --repo=repo pull remote_name exampleos/x86_64/standard@98ea6e4f216f2fb4b69fff9b3a44842c38686ca685f3f55dc48c5d3fb1107be4</command></para>
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<para>Download the specific commit starting with
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<literal>98ea6e</literal> as if it was the latest commit for
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<literal>exampleos/x86_64/standard</literal>.</para>
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</refsect1>
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</refentry>
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