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Updates to nix shell script #95

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Updates to nix shell script #95

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627a3a5
run.sh: Add set -e to halt on any unexpected errors
arrowmaster Jan 28, 2026
9a72892
run.sh: Add error and exit when Windows executable is detected
arrowmaster Jan 28, 2026
4613daa
run.sh: Allow the rare usage of Steam launching a shell script
arrowmaster Jan 28, 2026
6abda2f
run.sh: Change Steam executable detection to a simpler check for a fi…
arrowmaster Jan 28, 2026
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33 changes: 18 additions & 15 deletions assets/nix/run.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -60,25 +60,17 @@ corlib_dir=""

################################################################################
# Everything past this point is the actual script
set -e

# Special case: program is launched via Steam
# In that case rerun the script via their bootstrapper to ensure Steam overlay works
steam_arg_helper() {
if [ "$executable_name" != "" ] && [ "$1" != "${1%"$executable_name"}" ]; then
return 0
elif [ "$executable_name" = "" ] && [ "$1" != "${1%.x86_64}" ]; then
return 0
elif [ "$executable_name" = "" ] && [ "$1" != "${1%.x86}" ]; then
return 0
else
return 1
fi
}
# Special case: program is launched via Steam on Linux
# In that case rerun the script via their bootstrapper to delay adding Doorstop to LD_PRELOAD
# This is required until https://github.com/NeighTools/UnityDoorstop/issues/88 is resolved
for a in "$@"; do
if [ "$a" = "SteamLaunch" ]; then
rotated=0; max=$#
while [ $rotated -lt $max ]; do
if steam_arg_helper "$1"; then
# Test if argument is prefixed with the value of $PWD
if [ "$1" != "${1#"${PWD%/}/"}" ]; then
to_rotate=$(($# - rotated))
set -- "$@" "$0"
while [ $((to_rotate-=1)) -ge 0 ]; do
Expand All @@ -92,7 +84,7 @@ for a in "$@"; do
rotated=$((rotated+1))
fi
done
echo "Please set executable_name to a valid name in a text editor" 1>&2
echo "Could not determine game executable launched by Steam" 1>&2
exit 1
fi
done
Expand Down Expand Up @@ -191,6 +183,17 @@ executable_path=$(resolve_executable_path "${executable_path}")
# Figure out the arch of the executable with file
file_out="$(LD_PRELOAD="" file -b "${executable_path}")"
case "${file_out}" in
*PE32*)
echo "The executable is a Windows executable file. You must use Wine/Proton and BepInEx for Windows with this executable." 1>&2
echo "Uninstall BepInEx for *nix and install BepInEx for Windows instead." 1>&2
echo "More info: https://docs.bepinex.dev/articles/advanced/steam_interop.html#protonwine" 1>&2
exit 1
;;
*shell\ script*)
# Fallback for games that launch a shell script from Steam
# default to x64, change as needed
arch="x64"
;;
*64-bit*)
arch="x64"
;;
Expand Down