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[MNG-6078] Perform a proper merge of the two sources of command line arguments 

- Needed to extend Commons CLI's CommandLine just to perform the merged
This commit is contained in:
Stephen Connolly 2017-02-21 10:10:21 +00:00
parent 5885e70e24
commit dc9c4db449
3 changed files with 149 additions and 34 deletions
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19
maven-embedder/src/main/java/org/apache/maven/cli/MavenCli.java
View File

@ -383,7 +383,7 @@ public class MavenCli
CLIManager cliManager = new CLIManager();
List<String> args = new ArrayList<>();
CommandLine mavenConfig = null;
try
{
File configFile = new File( cliRequest.multiModuleProjectDirectory, MVN_MAVEN_CONFIG );
@ -398,8 +398,8 @@ public class MavenCli
}
}
CommandLine config = cliManager.parse( args.toArray( new String[args.size()] ) );
List<?> unrecongized = config.getArgList();
mavenConfig = cliManager.parse( args.toArray( new String[args.size()] ) );
List<?> unrecongized = mavenConfig.getArgList();
if ( !unrecongized.isEmpty() )
{
throw new ParseException( "Unrecognized maven.config entries: " + unrecongized );
@ -415,22 +415,15 @@ public class MavenCli
try
{
int index = 0;
for ( String arg : cliRequest.args )
if ( mavenConfig == null )
{
if ( arg.startsWith( "-D" ) )
{
// a property definition so needs to come last so that the last property wins
args.add( arg );
cliRequest.commandLine = cliManager.parse( cliRequest.args );
}
else
{
// not a property definition so needs to come first to override maven.config
args.add( index++, arg );
cliRequest.commandLine = new MergedCommandLine( cliManager.parse( cliRequest.args ), mavenConfig );
}
}
cliRequest.commandLine = cliManager.parse( args.toArray( new String[args.size()] ) );
}
catch ( ParseException e )
{
System.err.println( "Unable to parse command line options: " + e.getMessage() );

75
maven-embedder/src/main/java/org/apache/maven/cli/MergedCommandLine.java Normal file
View File

@ -0,0 +1,75 @@
package org.apache.maven.cli;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import java.util.ArrayList;
import java.util.List;
/**
* A {@link CommandLine} instance that represents a merged command line combining CLI arguments with those from the
* {@code .mvn/maven.config} while reflecting the handling of {@link CLIManager#SET_SYSTEM_PROPERTY} versus all the
* other command line options (last wins vs first wins respectively).
*/
class MergedCommandLine
extends CommandLine
{
MergedCommandLine( CommandLine commandLine, CommandLine configFile )
{
// such a pity that Commons CLI does not offer either a builder or a formatter and we need to extend
// to perform the merge. A formatter would mean we could unparse and reparse (not ideal but would work).
// A builder would be ideal for this kind of merge like processing.
super();
// the args are easy, cli first then config file
for ( String arg : commandLine.getArgs() )
{
addArg( arg );
}
for ( String arg : configFile.getArgs() )
{
addArg( arg );
}
// now add all options, except for -D with cli first then config file
List<Option> setPropertyOptions = new ArrayList<>();
for ( Option opt : commandLine.getOptions() )
{
if ( String.valueOf( CLIManager.SET_SYSTEM_PROPERTY ).equals( opt.getOpt() ) )
{
setPropertyOptions.add( opt );
}
else
{
addOption( opt );
}
}
for ( Option opt : configFile.getOptions() )
{
addOption( opt );
}
// finally add the CLI system properties
for ( Option opt : setPropertyOptions )
{
addOption( opt );
}
}
}

69
maven-embedder/src/test/java/org/apache/maven/cli/MavenCliTest.java
View File

@ -19,11 +19,10 @@ package org.apache.maven.cli;
* under the License.
*/
import java.io.File;
import junit.framework.TestCase;
import org.apache.commons.cli.ParseException;
import junit.framework.TestCase;
import java.io.File;
public class MavenCliTest
extends TestCase
@ -75,7 +74,8 @@ public class MavenCliTest
public void testMavenConfig()
throws Exception
{
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY, new File( "src/test/projects/config" ).getCanonicalPath() );
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY,
new File( "src/test/projects/config" ).getCanonicalPath() );
CliRequest request = new CliRequest( new String[0], null );
// read .mvn/maven.config
@ -93,7 +93,8 @@ public class MavenCliTest
public void testMavenConfigInvalid()
throws Exception
{
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY, new File( "src/test/projects/config-illegal" ).getCanonicalPath() );
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY,
new File( "src/test/projects/config-illegal" ).getCanonicalPath() );
CliRequest request = new CliRequest( new String[0], null );
cli.initialize( request );
@ -116,10 +117,14 @@ public class MavenCliTest
* </pre>
* and check if the {@code -T 3} option can be overwritten via command line
* argument.
*
* @throws Exception in case of failure.
*/
public void testMVNConfigurationThreadCanBeOverwrittenViaCommandLine() throws Exception {
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY, new File( "src/test/projects/mavenConfigProperties" ).getCanonicalPath() );
public void testMVNConfigurationThreadCanBeOverwrittenViaCommandLine()
throws Exception
{
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY,
new File( "src/test/projects/mavenConfigProperties" ).getCanonicalPath() );
CliRequest request = new CliRequest( new String[]{ "-T", "5" }, null );
cli.initialize( request );
@ -137,10 +142,14 @@ public class MavenCliTest
* </pre>
* and check if the {@code -Drevision-1.3.0} option can be overwritten via command line
* argument.
*
* @throws Exception
*/
public void testMVNConfigurationDefinedPropertiesCanBeOverwrittenViaCommandLine() throws Exception {
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY, new File( "src/test/projects/mavenConfigProperties" ).getCanonicalPath() );
public void testMVNConfigurationDefinedPropertiesCanBeOverwrittenViaCommandLine()
throws Exception
{
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY,
new File( "src/test/projects/mavenConfigProperties" ).getCanonicalPath() );
CliRequest request = new CliRequest( new String[]{ "-Drevision=8.1.0" }, null );
cli.initialize( request );
@ -160,10 +169,14 @@ public class MavenCliTest
* </pre>
* and check if the {@code -Drevision-1.3.0} option can be overwritten via command line
* argument.
*
* @throws Exception
*/
public void testMVNConfigurationCLIRepeatedPropertiesLastWins() throws Exception {
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY, new File( "src/test/projects/mavenConfigProperties" ).getCanonicalPath() );
public void testMVNConfigurationCLIRepeatedPropertiesLastWins()
throws Exception
{
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY,
new File( "src/test/projects/mavenConfigProperties" ).getCanonicalPath() );
CliRequest request = new CliRequest( new String[]{ "-Drevision=8.1.0", "-Drevision=8.2.0" }, null );
cli.initialize( request );
@ -174,4 +187,38 @@ public class MavenCliTest
String revision = System.getProperty( "revision" );
assertEquals( "8.2.0", revision );
}
/**
* Read .mvn/maven.config with the following definitions:
* <pre>
* -T 3
* -Drevision=1.3.0
* </pre>
* and check if the {@code -Drevision-1.3.0} option can be overwritten via command line argument when there are
* funky arguments present.
*
* @throws Exception
*/
public void testMVNConfigurationFunkyArguments()
throws Exception
{
System.setProperty( MavenCli.MULTIMODULE_PROJECT_DIRECTORY,
new File( "src/test/projects/mavenConfigProperties" ).getCanonicalPath() );
CliRequest request = new CliRequest(
new String[]{ "-Drevision=8.1.0", "--file=-Dpom.xml", "\"-Dfoo=bar ", "\"-Dfoo2=bar two\"",
"-Drevision=8.2.0" }, null );
cli.initialize( request );
// read .mvn/maven.config
cli.cli( request );
cli.properties( request );
String revision = System.getProperty( "revision" );
assertEquals( "8.2.0", revision );
assertEquals( "bar ", request.getSystemProperties().getProperty( "foo" ) );
assertEquals( "bar two", request.getSystemProperties().getProperty( "foo2" ) );
assertEquals( "-Dpom.xml", request.getCommandLine().getOptionValue( CLIManager.ALTERNATE_POM_FILE ) );
}
}