Merge pull request #341 from ishitatsuyuki/linux

Fix the Linux launcher script

Author: ghorsington

doorstop/run_bepinex.sh

@@ -4,6 +4,7 @@
 # This script is used to run a Unity game with BepInEx enabled.
 #
 # Usage: Configure the script below and simply run this script when you want to run your game modded.
+a="/$0"; a=${a%/*}; a=${a#/}; a=${a:-.}; BASEDIR=$(cd "$a"; pwd -P)
 
 # -------- SETTINGS --------
 # ---- EDIT AS NEEDED ------
@@ -19,31 +20,42 @@ executable_name=""
 export DOORSTOP_ENABLE=TRUE
 
 # What .NET assembly to execute. Valid value is a path to a .NET DLL that mono can execute.
-export DOORSTOP_INVOKE_DLL_PATH="${PWD}/BepInEx/core/BepInEx.Preloader.dll"
+export DOORSTOP_INVOKE_DLL_PATH="${BASEDIR}/BepInEx/core/BepInEx.Preloader.Unity.dll"
+
+# If specified, Doorstop will load core libraries from this folder instead of the normal Managed folder
+# Mainly usable to unstrip assemblies in some games
+export DOORSTOP_CORLIB_OVERRIDE_PATH=""
 
 # ----- DO NOT EDIT FROM THIS LINE FORWARD  ------
 # ----- (unless you know what you're doing) ------
 
+# Special case: program is launched via Steam
+# In that case rerun the script via their bootstrapper to ensure Steam overlay works
+if [ "$2" = "SteamLaunch" ]; then
+    "$1" "$2" "$3" "$4" "$0" "$5" "${@:6}"
+    exit
+fi
+
 if [ ! -x "$1" -a ! -x "$executable_name" ]; then
     echo "Please open run.sh in a text editor and configure executable name."
     exit 1
 fi
 
-doorstop_libs="${PWD}/doorstop_libs"
+doorstop_libs="$BASEDIR/doorstop_libs"
 arch=""
 executable_path=""
 lib_postfix=""
 
-os_type=`uname -s`
+os_type=$(uname -s)
 case $os_type in
     Linux*)
-        executable_path="${PWD}/${executable_name}"
+        executable_path="$BASEDIR/${executable_name}"
         lib_postfix="so"
         ;;
     Darwin*)
-        executable_name=`basename "${executable_name}" .app`
-        real_executable_name=`defaults read "${PWD}/${executable_name}.app/Contents/Info" CFBundleExecutable`
-        executable_path="${PWD}/${executable_name}.app/Contents/MacOS/${real_executable_name}"
+        executable_name=$(basename "${executable_name}" .app)
+        real_executable_name=$(defaults read "$BASEDIR/${executable_name}.app/Contents/Info" CFBundleExecutable)
+        executable_path="$BASEDIR/${executable_name}.app/Contents/MacOS/${real_executable_name}"
         lib_postfix="dylib"
         ;;
     *)
@@ -63,10 +75,10 @@ if [ -n "$1" ]; then
             ;;
         Darwin*)
             # Special case: allow to specify path to the executable within .app
-            full_path_part=`echo "$1" | grep "\.app/Contents/MacOS"`
+            full_path_part=$(echo "$1" | grep "\.app/Contents/MacOS")
             if [ -z "$full_path_part" ]; then
-                executable_name=`basename "$1" .app`
-                real_executable_name=`defaults read "$1/Contents/Info" CFBundleExecutable`
+                executable_name=$(basename "$1" .app)
+                real_executable_name=$(defaults read "$1/Contents/Info" CFBundleExecutable)
                 executable_path="$1/Contents/MacOS/${real_executable_name}"
             else
                 executable_path="$1"
@@ -75,9 +87,42 @@ if [ -n "$1" ]; then
     esac
 fi
 
-executable_type=`LD_PRELOAD="" file -b "${executable_path}"`;
+abs_path() {
+    echo "$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
+}
+
+_readlink() {
+    # relative links with readlink (without -f) do not preserve the path info 
+    ab_path="$(abs_path "$1")"
+    link="$(readlink "${ab_path}")"
+    case $link in
+        /*);;
+        *) link="$(dirname "$ab_path")/$link";;
+    esac
+    echo "$link"
+}
+
+
+resolve_executable_path () {
+    e_path="$(abs_path "$1")"
+    
+    while [ -L "${e_path}" ]; do 
+        e_path=$(_readlink "${e_path}");
+    done
+    echo "${e_path}"
+}
+
+executable_path=$(resolve_executable_path "${executable_path}")
+echo "${executable_path}"
+executable_type=$(LD_PRELOAD="" file -b "${executable_path}");
 
 case $executable_type in
+    *PE32*)
+        echo "The executable is a Windows executable file. You must use Wine/Proton and BepInEx for Windows with this executable."
+        echo "Uninstall BepInEx for *nix and install BepInEx for Windows instead."
+        echo "More info: https://docs.bepinex.dev/articles/advanced/steam_interop.html#protonwine"
+        exit 1
+        ;;
     *64-bit*)
         arch="x64"
         ;;
@@ -97,4 +142,4 @@ export LD_PRELOAD=$doorstop_libname:$LD_PRELOAD
 export DYLD_LIBRARY_PATH="${doorstop_libs}"
 export DYLD_INSERT_LIBRARIES="${doorstop_libs}/$doorstop_libname"
 
-"${executable_path}"
+"${executable_path}" "$@"