| 1 | #!/bin/sh
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| 2 | # Start a virtual X display with a window manager for shoot.py:
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| 3 | # Xvfb (2600x1800) and openbox on $BNC_SHOT_DISPLAY (default :99).
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| 4 | #
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| 5 | # Xvfb, openbox and xdotool are taken from the system if installed. Otherwise
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| 6 | # their Debian/Ubuntu packages are downloaded (apt-get download, no root needed)
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| 7 | # and unpacked into $BNC_SHOT_PREFIX (default ~/.cache/bnc_screenshot_tools);
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| 8 | # shoot.py finds xdotool there via the same variable.
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| 9 | #
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| 10 | # scripts/helpScreenshots/start_display.sh start
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| 11 | # scripts/helpScreenshots/start_display.sh stop end Xvfb and openbox again
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| 12 |
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| 13 | set -e
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| 14 | DISP=${BNC_SHOT_DISPLAY:-:99}
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| 15 | PREFIX=${BNC_SHOT_PREFIX:-$HOME/.cache/bnc_screenshot_tools}
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| 16 | PIDS=${PREFIX}/display${DISP#:}.pids
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| 17 |
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| 18 | if [ "$1" = "stop" ]; then
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| 19 | [ -f "$PIDS" ] && kill $(cat "$PIDS") 2>/dev/null || true
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| 20 | rm -f "$PIDS"
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| 21 | echo "display $DISP stopped"
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| 22 | exit 0
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| 23 | fi
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| 24 |
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| 25 | XVFB=$(command -v Xvfb || true)
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| 26 | OPENBOX=$(command -v openbox || true)
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| 27 | XDOTOOL=$(command -v xdotool || true)
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| 28 | LIBS=""
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| 29 | if [ -z "$XVFB" ] || [ -z "$OPENBOX" ] || [ -z "$XDOTOOL" ]; then
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| 30 | if [ ! -x "$PREFIX/root/usr/bin/xdotool" ]; then
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| 31 | echo "downloading Xvfb, openbox and xdotool packages to $PREFIX ..."
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| 32 | mkdir -p "$PREFIX/debs" "$PREFIX/root"
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| 33 | (cd "$PREFIX/debs" && apt-get download xvfb xdotool libxdo3 openbox libobrender32v5 \
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| 34 | libobt2v5 libimlib2 libstartup-notification0 libxcb-util1)
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| 35 | for f in "$PREFIX"/debs/*.deb; do dpkg -x "$f" "$PREFIX/root"; done
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| 36 | fi
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| 37 | [ -n "$XVFB" ] || XVFB=$PREFIX/root/usr/bin/Xvfb
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| 38 | [ -n "$OPENBOX" ] || OPENBOX=$PREFIX/root/usr/bin/openbox
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| 39 | LIBS=$PREFIX/root/usr/lib/x86_64-linux-gnu
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| 40 | fi
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| 41 |
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| 42 | mkdir -p "$PREFIX"
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| 43 | "$XVFB" "$DISP" -screen 0 2600x1800x24 -nolisten tcp > "$PREFIX/xvfb.log" 2>&1 &
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| 44 | echo $! > "$PIDS"
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| 45 | for i in 1 2 3 4 5 6 7 8 9 10; do
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| 46 | [ -e "/tmp/.X11-unix/X${DISP#:}" ] && break
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| 47 | sleep 1
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| 48 | done
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| 49 | env DISPLAY="$DISP" LD_LIBRARY_PATH="$LIBS" XDG_CONFIG_DIRS="$PREFIX/root/etc/xdg:/etc/xdg" \
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| 50 | XDG_DATA_DIRS="$PREFIX/root/usr/share:/usr/share" "$OPENBOX" > "$PREFIX/openbox.log" 2>&1 &
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| 51 | echo $! >> "$PIDS"
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| 52 | sleep 2
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| 53 | echo "display $DISP running (Xvfb + openbox); stop with: $0 stop"
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