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