M2_HOME is incorrect when launched from another process
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Key: MNG-2991
URL: http://jira.codehaus.org/browse/MNG-2991
Project: Maven 2
Issue Type: Improvement
Components: Command Line
Affects Versions: 2.0.6
Environment: WinXP
Reporter: Tim Reilly
Priority: Minor
This is just an idea to solve the following: I believe echo'ing ~dp0 when
launching maven.bat from ant exec produces the ant.bat processes ~0; not the
maven bat files ~0 -since createProc API is used the processes command is the
first argument.
I think you may get around this by putting a new "finder file" .bat along side
mvn.bat . Since mvn.bat and find_m2.bat are both on the path I can "discover"
where M2_HOME is from the %PATH%.
Within mvn.bat
if "%m2_home%" == ""(
if "%OS%"=="Windows_NT" (call find_m2.bat)
)
Within find_m2.bat:
@echo off
setlocal
set _WHERE_IS_M2=%~dp0
set M2_LOCAL_HOME=%__WHERE_IS_M2:\bin=%
@REM echo %M2_LOCAL_HOME%
endlocal & set M2_HOME=%M2_LOCAL_HOME%
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