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https://issues.apache.org/jira/browse/MNG-7189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17426875#comment-17426875
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Hudson commented on MNG-7189:
-----------------------------
Build unstable in Jenkins: Maven » Maven TLP » maven » MNG-7020 #23
See
https://ci-maven.apache.org/job/Maven/job/maven-box/job/maven/job/MNG-7020/23/
> Remove undocumented environment variable MAVEN_BASEDIR in startup scripts
> -------------------------------------------------------------------------
>
> Key: MNG-7189
> URL: https://issues.apache.org/jira/browse/MNG-7189
> Project: Maven
> Issue Type: Task
> Components: Command Line, Documentation: General
> Affects Versions: 4.0.0-alpha-1
> Reporter: Michael Osipov
> Assignee: Michael Osipov
> Priority: Major
> Fix For: 4.0.0, 4.0.0-alpha-1
>
>
> During a review I have found this:
> {noformat}
> MAVEN_PROJECTBASEDIR="${MAVEN_BASEDIR:-`find_maven_basedir "$@"`}"
> {noformat}
> and
> {noformat}
> set "MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%"
> if not "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
> {noformat}
> I was about to remove it until I have found:
> {noformat}
> $ grep -r MAVEN_BASEDIR .
> ./core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5937MavenWrapper.java:
> envVars.put( "MAVEN_BASEDIR", testDir.getAbsolutePath() );
> ./core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5937MavenWrapper.java:
> envVars.put( "MAVEN_BASEDIR", testDir.getAbsolutePath() );
> ./core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5937MavenWrapper.java:
> envVars.put( "MAVEN_BASEDIR", testDir.getAbsolutePath() );
> ./core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5937MavenWrapper.java:
> envVars.put( "MAVEN_BASEDIR", testDir.getAbsolutePath() );
> ./core-it-suite/src/test/java/org/apache/maven/it/MavenITmng6118SubmoduleInvocation.java:
> // It seems MAVEN_BASEDIR isn't always properly set, so make sure to
> have the right value here
> ./core-it-suite/src/test/java/org/apache/maven/it/MavenITmng6118SubmoduleInvocation.java:
> envVars.put( "MAVEN_BASEDIR", testDir.getAbsolutePath() );
> ./environments/solaris-10-jdk7/apache-maven-3.3.9.patch:<
> MAVEN_PROJECTBASEDIR="${MAVEN_BASEDIR:-$(find_maven_basedir)}"
> ./environments/solaris-10-jdk7/apache-maven-3.3.9.patch:>
> MAVEN_PROJECTBASEDIR="${MAVEN_BASEDIR:-`find_maven_basedir`}"
> ./environments/solaris-10-jdk8/apache-maven-3.3.9.patch:<
> MAVEN_PROJECTBASEDIR="${MAVEN_BASEDIR:-$(find_maven_basedir)}"
> ./environments/solaris-10-jdk8/apache-maven-3.3.9.patch:>
> MAVEN_PROJECTBASEDIR="${MAVEN_BASEDIR:-`find_maven_basedir`}"
> {noformat}
> It is not clear why this variable is there and and why it is necessary. There
> are several ways to resolve this issue:
> * Remove it and rely on basedir discovery in scripts
> * Document it officially in the prolog of the scripts
> * Inline document them as private and used for testing purposes only
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