mirror of https://github.com/apache/poi.git
ant target to create patches
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1077880 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov
parent
6269ee2312
commit
65989672af
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!--
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=======================================================================
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Use Apache Ant to generate a patch file.
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=======================================================================
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-->
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<project name="create-patch" default="patchpackage" basedir=".">
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<property environment="env"/>
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<property name="patch.package" value="patch.tar.gz"/>
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<property name="patch.file" value="patch.txt"/>
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<condition property="svn.found">
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<or>
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<available file="svn" filepath="${env.PATH}"/>
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<available file="svn.exe" filepath="${env.PATH}"/>
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<available file="svn.exe" filepath="${env.Path}"/>
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</or>
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</condition>
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<target name="createpatch">
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<fail unless="svn.found" message="You need a version of svn to create the patch"/>
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<exec executable="svn" output="${patch.file}">
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<arg value="diff"/>
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</exec>
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</target>
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<target name="newfiles">
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<exec executable="svn" output="${patch.file}.tmp">
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<arg value="status"/>
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</exec>
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<!-- prepare the list of files to include in patch.tar.gz -->
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<loadfile srcfile="${patch.file}.tmp" property="tar.file.list">
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<filterchain>
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<!-- capture any new files -->
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<linecontainsregexp>
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<regexp pattern="(\?|A)......"/>
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</linecontainsregexp>
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<!-- filter out the first six characters -->
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<tokenfilter>
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<replaceregex pattern="(.......)" replace=""/>
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</tokenfilter>
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<!--remove line breaks -->
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<striplinebreaks/>
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</filterchain>
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</loadfile>
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</target>
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<target name="patchpackage" depends="createpatch,newfiles">
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<delete file="${patch.package}"/>
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<tar includes="${tar.file.list}"
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excludes="${patch.file}"
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destfile="${patch.package}"
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basedir="."
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compression="gzip" >
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</tar>
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<delete file="${patch.file}.tmp"/>
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</target>
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</project>
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@ -138,6 +138,9 @@
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<li>Take a look at all the <link href="https://issues.apache.org/bugzilla/buglist.cgi?product=POI;bug_status=NEW;bug_status=NEEDINFO">unresolved issues in the bug database</link>, and see if you can help with testing or patches for them</li>
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<li>Add in new features, see <link href="http://issues.apache.org/bugzilla/buglist.cgi?product=POI">Bug database</link> for suggestions.</li>
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</ul>
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<p>The Apache <link href="http://www.apache.org/dev/contributors.html">Contributors Tech Guide</link> gives a good overview how to start contributing patches.</p>
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<p>The Nutch project also have a very useful guide on becoming a
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new developer in their project. While it is written for their project,
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a large part of it will apply to POI too. You can read it at
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@ -146,15 +149,12 @@
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Project</link> also provides guidance and mentoring for new contributors.</p>
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</section>
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<section><title>Submitting Patches</title>
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<p>
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Create patches by getting the latest sources from Subversion.
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Alter or add files as appropriate. Then, from the poi directiory,
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type svn diff > mypatch.patch. This will capture all of your changes
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in a patch file of the appropriate format. However, svn diff won't
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capture any new files you may have added. So, if you've added any
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files, create an archive (tar.bz2 preferred as its the smallest) in a
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path-preserving archive format, relative to your poi directory.
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You'll attach both files in the next step.
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<p>
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Patches are submitted via the <link href="http://issues.apache.org/bugzilla/buglist.cgi?product=POI">Bug Database</link>.
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Create a new bug, set the subject to [PATCH] followed by a brief description. Explain you patch and any special instructions and submit/save it.
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Next, go back to the bug, and create attachements for the patch files you
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created. Be sure to describe not only the files purpose, but its format.
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(Is that ZIP or a tgz or a bz2 or what?).
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</p>
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<p>
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Ideally, patches should be submitted early and often. This is for
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@ -169,49 +169,70 @@
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Software Foundation projects, do please try to submit early and often, rather
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than "throwing a large patch over the wall" at the end.
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</p>
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<p>
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Patches are submitted via the <link href="http://issues.apache.org/bugzilla/buglist.cgi?product=POI">Bug Database</link>.
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Create a new bug, set the subject to [PATCH] followed by a brief description. Explain you patch and any special instructions and submit/save it.
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Next, go back to the bug, and create attachements for the patch files you
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created. Be sure to describe not only the files purpose, but its format.
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(Is that ZIP or a tgz or a bz2 or what?).
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</p>
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<p>
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Make sure your patches include the @author tag on any files you've altered
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or created. Make sure you've documented your changes and altered the
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examples/etc to reflect them. Any new additions should have unit tests.
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Lastly, ensure that you've provided approriate javadoc. (see
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<link href="http://poi.apache.org/resolutions/res001.html">Coding
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Standards</link>). Patches that are of low quality may be rejected or
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the contributer may be asked to bring them up to spec.
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</p>
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<p>If you use a unix shell, you may find the following following
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sequence of commands useful for building the files to attach.</p>
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<p>You may create your patch file using either of the following approaches (the committers recommend the first):</p>
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<section><title>Approach 1 - use Ant</title>
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<p>Use Ant to generate a patch file to POI: </p>
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<source>
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# Run this in the root of the checkout, i.e. the directory holding
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# build.xml and poi.pom
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# Build the directory to hold new files
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mkdir /tmp/poi-patch/
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mkdir /tmp/poi-patch/new-files/
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# Get changes to existing files
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svn diff > /tmp/poi-patch/diff.txt
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# Capture any new files, as svn diff won't include them
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# Preserve the path
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svn status | grep "^\?" | awk '{printf "cp --parents %s /tmp/poi-patch/new-files/\n", $2 }' | sh -s
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# tar up the new files
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cd /tmp/poi-patch/new-files/
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tar jcvf ../new-files.tar.bz2
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cd ..
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# Upload these to bugzilla
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echo "Please upload to bugzilla:"
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echo " /tmp/poi-patch/diff.txt"
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echo " /tmp/poi-patch/new-files.tar.bz2"
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ant -f patch.xml
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</source>
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<p>
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This will create a file named patch.tar.gz that will contain a unified diff of files that have been modified
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and also include files that have been added. Review the file for completeness and correctness. This approach
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is recommended because it standardizes the way in which patch files are constructed. It also eliminates the
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chance of you missing to submit new files that constitute part of the patch.
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</p>
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</section>
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<section><title>Approach 2 - the manual way</title>
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<p>
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Patches to existing files should be generated with svn diff filename and save the output to a file.
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if you want to get the changes made to multiple files in a directory , just use svn diff.
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then, tar and gzip the patch file as well as any new files that you have added.
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</p>
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<p>If you use a unix shell, you may find the following following
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sequence of commands useful for building the files to attach.</p>
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<source>
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# run this in the root of the checkout, i.e. the directory holding
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# build.xml and poi.pom
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# build the directory to hold new files
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mkdir /tmp/poi-patch/
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mkdir /tmp/poi-patch/new-files/
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# get changes to existing files
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svn diff > /tmp/poi-patch/diff.txt
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# capture any new files, as svn diff won't include them
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# preserve the path
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svn status | grep "^\?" | awk '{printf "cp --parents %s /tmp/poi-patch/new-files/\n", $2 }' | sh -s
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# tar up the new files
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cd /tmp/poi-patch/new-files/
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tar jcvf ../new-files.tar.bz2
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cd ..
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# upload these to bugzilla
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echo "please upload to bugzilla:"
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echo " /tmp/poi-patch/diff.txt"
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echo " /tmp/poi-patch/new-files.tar.bz2"
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</source>
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</section>
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<section><title>checklist before submitting a patch</title>
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<ul>
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<li>added code complies with <link href="http://poi.apache.org/resolutions/res001.html">coding standards</link></li>
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<li>added code compiles and runs on java 1.5</li>
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<li>new java files begin with the <link href="http://www.apache.org/foundation/licence-faq.html">
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apache software license</link> statement.</li>
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<li>the code does not depend on gpl or lgpl code.</li>
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<li>the code includes the @author tag on any files you've altered or created.</li>
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<li>existing test cases succeed.</li>
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<li>new test cases written and succeed.</li>
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<li>documentation page extended as appropriate.</li>
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<li>diff files generated using svn diff</li>
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<li>message to dev contains [patch], task name and patch reason in subject.</li>
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<li>message body contains a rationale for the patch.</li>
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<li>message attachment contains the patch file(s).</li>
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</ul>
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</section>
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</section>
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<section><title>Mentoring and Committership</title>
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