[jira] [Created] (SPARK-40739) "sbt packageBin" fails in cygwin or other windows bash session

["Phil Walker (Jira)" <ji...@apache.org>]

Phil Walker created SPARK-40739:
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             Summary: "sbt packageBin" fails in cygwin or other windows bash session
                 Key: SPARK-40739
                 URL: https://issues.apache.org/jira/browse/SPARK-40739
             Project: Spark
          Issue Type: Bug
          Components: Build, Windows
    Affects Versions: 3.3.0
         Environment: The problem occurs in Windows if *_sbt_* is started from a (non-WSL) bash session.

See the spark PR link for detailed symptoms.
            Reporter: Phil Walker


 In a Windows _*SHELL*_ environment, such as _*cygwin*_ or {_}*msys2/mingw64*{_}, etc,  _*Core.settings*_ in _*project/SparkBuild.scala*_ calls the wrong _*bash.exe*_ if WSL bash is present (typically at {_}*C:\Windows*{_}), causing a build failure.  This occurs even though the proper *bash.exe* is in the _*PATH*_ ahead of _*WSL*_ bash.exe.

This is fixed by [spark PR 38167|https://github.com/apache/spark/pull/38167]

There are 3 parts to the fix, implemented in _*project/SparkBuild.scala*_ :
 * determine the absolute path of the first bash.exe in the command line. 
 * determine the build environment (e.g., Linux, Darwin, CYGWIN, MSYS2, etc.)
 * For Windows SHELL environments, the first argument to the spawned Process is changed from "bash" to the absolute path.



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