octave-launch-firsttime: New launcher executable for starting Octave first time. * installer-files/octave-launch.c: Conditionally change to USERPROFILE before running Octave. * binary-dist-rules.mk(octave-launch-firsttime, installer-files/octave-launch-firsttime.exe): Add build rules for new launcher executable. (copy-windows-dist-files): Copy octave-launch-firsttime.exe to $(OCTAVE_DIST_DIR).

#!/usr/bin/env bash

prog=$1

if [ -z $prog ]; then
  echo "Missing program name" >&2
  exit 1
fi

cat << EOF
@echo off
set BINPATH=%~dp0
%BINPATH%bash -c '$prog %*'
EOF