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ad0354ac36
In the current "ostree native container" flow, we're inserting a commit object into the repo but with no refs. We have hacks in a few places to find the commit digest via e.g. `find repo/objects -name *.commit` but that's a horrible hack. Add `ostree rev-parse --single` which will print the single commit, and error out if there is not exactly one commit. Co-authored-by: Jonathan Lebon <jonathan@jlebon.com>
87 lines
2.7 KiB
XML
87 lines
2.7 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, see <https://www.gnu.org/licenses/>.
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-->
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<refentry id="ostree">
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<refentryinfo>
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<title>ostree rev-parse</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 rev-parse</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>ostree-rev-parse</refname>
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<refpurpose>Output the target of a rev</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>ostree rev-parse </command> <arg choice="req">REV</arg> <arg choice="req">PATH</arg>
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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>--single</option>, <option>-S</option></term>
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<listitem><para>
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If the repository has exactly one commit, then print it; any other case will result in an error.
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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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<!-- Is this accurate for all cases? This is what I observed -->
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<refsect1>
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<title>Description</title>
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<para>
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Given a REV, outputs the checksum of the latest commit of that revision.
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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 rev-parse my-branch</command></para>
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<programlisting>
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ce19c41036cc45e49b0cecf6b157523c2105c4de1ce30101def1f759daafcc3e
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</programlisting>
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</refsect1>
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</refentry>
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