sneedmc/launcher/Launcher.in
Sefa Eyeoglu 2d53c7c5b2
refactor: filter values in environment variables
Before this change, you had to specify custom LD_* variables using the
prefix GAME_LD_*. Now instead of dropping all LD_* variables by default,
we should just filter them and remove the values we *know* are from our
start script.

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
2022-07-19 18:07:58 +02:00

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#!/bin/bash
# Basic start script for running the launcher with the libs packaged with it.
function printerror {
printf "$1"
if which zenity >/dev/null; then zenity --error --text="$1" &>/dev/null;
elif which kdialog >/dev/null; then kdialog --error "$1" &>/dev/null;
fi
}
if [[ $EUID -eq 0 ]]; then
printerror "This program should not be run using sudo or as the root user!\n"
exit 1
fi
LAUNCHER_NAME=@Launcher_APP_BINARY_NAME@
LAUNCHER_DIR="$(dirname "$(readlink -f "$0")")"
echo "Launcher Dir: ${LAUNCHER_DIR}"
# Set up env.
# Pass our custom variables separately so that the launcher can remove them for child processes
export LAUNCHER_LD_LIBRARY_PATH="${LAUNCHER_DIR}/lib@LIB_SUFFIX@"
export LAUNCHER_LD_PRELOAD=""
export LAUNCHER_QT_PLUGIN_PATH="${LAUNCHER_DIR}/plugins"
export LAUNCHER_QT_FONTPATH="${LAUNCHER_DIR}/fonts"
export LD_LIBRARY_PATH="$LAUNCHER_LD_LIBRARY_PATH:$LD_LIBRARY_PATH"
export LD_PRELOAD="$LAUNCHER_LD_PRELOAD:$LD_PRELOAD"
export QT_PLUGIN_PATH="$LAUNCHER_QT_PLUGIN_PATH:$QT_PLUGIN_PATH"
export QT_FONTPATH="$LAUNCHER_QT_FONTPATH:$QT_FONTPATH"
# Detect missing dependencies...
DEPS_LIST=`ldd "${LAUNCHER_DIR}"/plugins/*/*.so 2>/dev/null | grep "not found" | sort -u | awk -vORS=", " '{ print $1 }'`
if [ "x$DEPS_LIST" = "x" ]; then
# We have all our dependencies. Run the launcher.
echo "No missing dependencies found."
# Just to be sure...
chmod +x "${LAUNCHER_DIR}/bin/${LAUNCHER_NAME}"
# Run the launcher
exec -a "${LAUNCHER_DIR}/${LAUNCHER_NAME}" "${LAUNCHER_DIR}/bin/${LAUNCHER_NAME}" -d "${LAUNCHER_DIR}" "$@"
# Run the launcher in valgrind
# valgrind --log-file="valgrind.log" --leak-check=full --track-origins=yes "${LAUNCHER_DIR}/bin/${LAUNCHER_NAME}" -d "${LAUNCHER_DIR}" "$@"
# Run the launcher with callgrind, delay instrumentation
# valgrind --log-file="valgrind.log" --tool=callgrind --instr-atstart=no "${LAUNCHER_DIR}/bin/${LAUNCHER_NAME}" -d "${LAUNCHER_DIR}" "$@"
# use callgrind_control -i on/off to profile actions
# Exit with launcher's exit code.
# exit $?
else
# apt
if which apt-file &>/dev/null; then
LIBRARIES=`echo "$DEPS_LIST" | grep -oP "[^, ]*" | sort -u`
COMMAND_LIBS=`for LIBRARY in $LIBRARIES; do apt-file -l search $LIBRARY; done`
COMMAND_LIBS=`echo "$COMMAND_LIBS" | sort -u | awk -vORS=" " '{ print $1 }'`
INSTALL_CMD="sudo apt-get install $COMMAND_LIBS"
# pacman
elif which pkgfile &>/dev/null; then
LIBRARIES=`echo "$DEPS_LIST" | grep -oP "[^, ]*" | sort -u`
COMMAND_LIBS=`for LIBRARY in $LIBRARIES; do pkgfile $LIBRARY; done`
COMMAND_LIBS=`echo "$COMMAND_LIBS" | sort -u | awk -vORS=" " '{ print $1 }'`
INSTALL_CMD="sudo pacman -S $COMMAND_LIBS"
# dnf
elif which dnf &>/dev/null; then
LIBRARIES=`echo "$DEPS_LIST" | grep -oP "[^, ]*" | sort -u`
COMMAND_LIBS=`for LIBRARY in $LIBRARIES; do dnf whatprovides -q $LIBRARY; done`
COMMAND_LIBS=`echo "$COMMAND_LIBS" | grep -v 'Repo' | sort -u | awk -vORS=" " '{ print $1 }'`
INSTALL_CMD="sudo dnf install $COMMAND_LIBS"
# yum
elif which yum &>/dev/null; then
LIBRARIES=`echo "$DEPS_LIST" | grep -oP "[^, ]*" | sort -u`
COMMAND_LIBS=`for LIBRARY in $LIBRARIES; do yum whatprovides $LIBRARY; done`
COMMAND_LIBS=`echo "$COMMAND_LIBS" | sort -u | awk -vORS=" " '{ print $1 }'`
INSTALL_CMD="sudo yum install $COMMAND_LIBS"
# zypper
elif which zypper &>/dev/null; then
LIBRARIES=`echo "$DEPS_LIST" | grep -oP "[^, ]*" | sort -u`
COMMAND_LIBS=`for LIBRARY in $LIBRARIES; do zypper wp $LIBRARY; done`
COMMAND_LIBS=`echo "$COMMAND_LIBS" | sort -u | awk -vORS=" " '{ print $1 }'`
INSTALL_CMD="sudo zypper install $COMMAND_LIBS"
# emerge
elif which pfl &>/dev/null; then
LIBRARIES=`echo "$DEPS_LIST" | grep -oP "[^, ]*" | sort -u`
COMMAND_LIBS=`for LIBRARY in $LIBRARIES; do pfl $LIBRARY; done`
COMMAND_LIBS=`echo "$COMMAND_LIBS" | sort -u | awk -vORS=" " '{ print $1 }'`
INSTALL_CMD="sudo emerge $COMMAND_LIBS"
fi
MESSAGE="Error: The launcher is missing the following libraries that it needs to work correctly:\n\t${DEPS_LIST}\nPlease install them from your distribution's package manager."
MESSAGE="$MESSAGE\n\nHint (please apply common sense): $INSTALL_CMD\n"
printerror "$MESSAGE"
exit 1
fi