#!/bin/sh
# Capture a full backtrace of the blink segfault.
# Requires: gdb and python3 debug symbols (sudo apt install gdb python3-dbg)

export QT_QPA_PLATFORM=xcb
export QT_LOGGING_RULES='qt.webengine*=false'

echo "==== Qt image formats visible to PyQt6 (must include 'svg') ===="
python3 -c "from PyQt6.QtGui import QImageReader; print(sorted(bytes(f).decode() for f in QImageReader.supportedImageFormats()))" 2>&1
echo

echo "==== SVG plugins found on disk ===="
find / -name 'libqsvg*.so' 2>/dev/null
echo

echo "==== Running under gdb (py-bt gives exact Python file:line) ===="
gdb --batch \
    -ex 'run' \
    -ex 'echo \n==== PYTHON BACKTRACE (crashing thread) ====\n' \
    -ex 'py-bt' \
    -ex 'echo \n==== C/C++ BACKTRACE (crashing thread) ====\n' \
    -ex 'bt full' \
    -ex 'echo \n==== ALL THREADS ====\n' \
    -ex 'thread apply all bt' \
    --args python3 bin/blink 2>&1 | tee /tmp/blink-crash.log