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{ pkgs, lib }: let
quoteChar = c:
if c == "\n" then "'\n'"
else c;
quote = x: if x == "" then "''" else lib.stringAsChars quoteChar x;
in pkgs.writers.writeDashBin "super-vnc" ''
PATH=${lib.makeBinPath (with pkgs; [
xorg.xrandr gnugrep coreutils xorg.xorgserver gnused openssh gawk tightvnc
])}
remote=$1
res_x=$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f1)
res_y=$(xrandr --current | grep '*' | uniq | awk '{print $1}' | cut -d 'x' -f2)
export modeline="$(gtf "$res_x" "$res_y" 60 | sed -n 's/.*Modeline "\([^" ]\+\)" \(.*\)/\1 \2/p')"
export name="$(echo "$modeline" | sed 's/\([^ ]\+\) .*/\1/')"
export vncline="''${res_x}x''${res_y}+0+0"
if [ -z "$modeline" -o -z "$name" ]; then
echo "Error! modeline=$modeline name=$name"
exit 1
fi
echo $modeline
# TODO user random highport
ssh "$remote" -L 5900:localhost:55900 bash <<EOF
set -x
export DISPLAY=:0
export output=\$(xrandr | grep disconnected | tail -1 | cut -d' ' -f1)
xrandr --newmode $modeline
xrandr --verbose --addmode "\$output" "$name"
xrandr --output "\$output" --off
xrandr --verbose --output "\$output" --mode "$name" --right-of "\$(xrandr | grep primary | cut -d ' ' -f1)"
EOF
sleep 2
vncviewer localhost:55900
''
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