#!/bin/sh
# script to emulate an xterm in OSX Terminal.app
# 
# -William Kyngesburye

# just in case accidentally called on another system
SYSTEMOSX=`uname -s | grep "Darwin"`

if [ "$SYSTEMOSX" ] ; then
    # manually transfer the necessary env vars
    TMPSCRIPT="/tmp/grassxterm_$$"
    touch "$TMPSCRIPT.sh"
    chmod +x "$TMPSCRIPT.sh"
    echo "#!/bin/sh" > "$TMPSCRIPT.sh"
    
    echo "DISPLAY=$DISPLAY" >> "$TMPSCRIPT.sh"
    echo "PATH=\"$PATH\"" >> "$TMPSCRIPT.sh"
    echo "GIS_LOCK=\"$GIS_LOCK\"" >> "$TMPSCRIPT.sh"
    echo "GISRC=\"$GISRC\"" >> "$TMPSCRIPT.sh"
    echo "GISBASE=\"$GISBASE\"" >> "$TMPSCRIPT.sh"
    echo "GRASS_VERSION=\"$GRASS_VERSION\"" >> "$TMPSCRIPT.sh"
    echo "GRASS_PAGER=$GRASS_PAGER" >> "$TMPSCRIPT.sh"
    echo "DYLD_LIBRARY_PATH=\"$DYLD_LIBRARY_PATH\"" >> "$TMPSCRIPT.sh"
    echo "GRASS_LD_LIBRARY_PATH=\"$GRASS_LD_LIBRARY_PATH\"" >> "$TMPSCRIPT.sh"
    echo "GRASS_WISH=\"$GRASS_WISH\"" >> "$TMPSCRIPT.sh"
    echo "GRASS_TCLSH=\"$GRASS_TCLSH\"" >> "$TMPSCRIPT.sh"
    echo "GRASS_HTML_BROWSER=\"$GRASS_HTML_BROWSER\"" >> "$TMPSCRIPT.sh"
    echo "GRASS_HTML_BROWSER_MACOSX=\"$GRASS_HTML_BROWSER_MACOSX\"" >> "$TMPSCRIPT.sh"
    echo "export DISPLAY PATH GIS_LOCK GISRC GISBASE GRASS_VERSION GRASS_PAGER DYLD_LIBRARY_PATH GRASS_LD_LIBRARY_PATH GRASS_WISH GRASS_TCLSH GRASS_HTML_BROWSER GRASS_HTML_BROWSER_MACOSX" >> "$TMPSCRIPT.sh"
    if [ "$GRASS_ADDON_PATH" ] ; then
        echo "GRASS_ADDON_PATH=\"$GRASS_ADDON_PATH\"" >> "$TMPSCRIPT.sh"
        echo "export GRASS_ADDON_PATH" >> "$TMPSCRIPT.sh"
    fi
    if [ "$TCL_LIBRARY" ] ; then
        echo "TCL_LIBRARY=\"$TCL_LIBRARY\"" >> "$TMPSCRIPT.sh"
        echo "export TCL_LIBRARY" >> "$TMPSCRIPT.sh"
    fi
    if [ "$TK_LIBRARY" ] ; then
        echo "TK_LIBRARY=\"$TK_LIBRARY\"" >> "$TMPSCRIPT.sh"
        echo "export TK_LIBRARY" >> "$TMPSCRIPT.sh"
    fi

    # get command, ignore all other xterm flags
    while true ; do
        if [ "$1" = "-e" ] ; then break ; fi
        shift
    done
    shift
    # and add it to end of script
    echo "$@" >> "$TMPSCRIPT.sh"

    # execute
    # save current active app/window, return to it when script finishes.
    osascript - <<EOF
--tell application "System Events"
--	set save_app to item 1 of (get name of processes whose frontmost is true)
--end tell
tell application "Terminal"
	activate
	-- start new window with env/cmd script
	do script "$TMPSCRIPT.sh; exit"
	tell window 1
		-- wait for it to finish
		repeat while (processes is not equal to {})
			delay 1
		end repeat
		close
	end tell
end tell
--tell application save_app to activate
EOF
    rm -f "$TMPSCRIPT.sh"
fi