[GitHub] [maven-mvnd] gzm55 commented on pull request #717: Add script mvnd-auto to a proper mvnd

[GitBox <gi...@apache.org>]

gzm55 commented on PR #717:
URL: https://github.com/apache/maven-mvnd/pull/717#issuecomment-1280195376

   > Also, we may want to investigate a way to run the client on a different JVM that the daemon. We could add two mvnd environment variables, one which would point to the default client JVM, and another that would define whether we want to _always_ use that JVM for the client, _auto_ switch to that JVM is the environment one is that JDK 11 compatible, or _never_ use it. The embedded maven would then only be used if the former is not defined or if the later is set to _never_.
   
   @gnodet do you mean add two new env: `MVND_CLIENT_JAVA_HOME` and `MVND_CLIENT_JAVA_HOME_REQUIRE`, and when the native version fails, we
   
   -  (MVND_CLIENT_JAVA_HOME is unset) or (MVND_CLIENT_JAVA_HOME_REQUIRE=never):
      - JAVA_HOME/bin/java or java is JDK 11+: mvnd with os java
      - JAVA_HOME/bin/java or java is old JDK: embeded maven with os java
   -  MVND_CLIENT_JAVA_HOME is set, and MVND_CLIENT_JAVA_HOME_REQUIRE=always
      - always run mvnd with MVND_CLIENT_JAVA_HOME/bin/java
   -  MVND_CLIENT_JAVA_HOME is set, and MVND_CLIENT_JAVA_HOME_REQUIRE=auto (default value)
      - MVND_CLIENT_JAVA_HOME/bin/java is JDK 11+: mvnd with MVND_CLIENT_JAVA_HOME/bin/java
      - JAVA_HOME/bin/java or java is JDK 11+: mvnd with os java
      - JAVA_HOME/bin/java or java is old JDK: embeded maven with os java
   


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