Thanks Clement, got it.
$ git checkout -f HEAD
error: unable to create file mc/VMMaker-oscog.package/GeniePlugin.class/instance
/primSameClassAbsoluteStrokeDistanceMyPoints.otherPoints.myVectors.otherVectors.
mySquaredLengths.otherSquaredLengths.myAngles.otherAngles.maxSizeAndReferenceFla
g.rowBase.rowInsertRemove.rowInsertRemoveCount..st (Filename too long)
Checking out files: 100% (17530/17530), done.
another detail, I use MSYS shell and I don't have a .profile file in my home, so I just passed that point.
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