bladee.bsky.social
My dotfiles
Add `bwrap-renpy-preset` script
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private_dot_local/bin/executable_bwrap-preset-renpy
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private_dot_local/bin/executable_bwrap-preset-renpy
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#!/usr/bin/env sh
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# bwrap-preset-renpy
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#
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# Run an executable in a Bubblewrap sandbox set up for Ren'Py games. The saves
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# directory will be in '$XDG_CONFIG_DIR/renpy' or '$HOME/.config/renpy' instead
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# of the normal '$HOME/.renpy'.
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set -eu
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# Set script title for error messages.
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SCRIPT_TITLE="Run in Bubblewrap (Ren'Py)"
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# Notify the user of an error and exit.
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notify_and_exit () {
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# Make sure enough arguments were given.
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if [ "$#" -ne 2 ]; then
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printf "Error: notify_and_exit() called with '%i' arguments\n" "$#"
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exit 127
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fi
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# Name the arguments.
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error_msg="$1"
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exit_code="$2"
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# Either print to stdout or send a notification.
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if [ "$TERM" = "dumb" ]; then
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notify-send --urgency=normal --icon=error "$SCRIPT_TITLE" "$error_msg"
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else
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printf "%s: %s\n" "$SCRIPT_TITLE" "$error_msg"
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fi
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# Exit with the error code.
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exit "$exit_code"
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}
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# Only one command can be run.
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[ "$#" -ne 1 ] && notify_and_exit "Only one command can be run with this script" 1
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# Make sure Bubblewrap is installed.
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if ! command -v bwrap > /dev/null 2>&1; then
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notify_and_exit "Could not find executable \`bwrap\`" 1
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fi
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# Set the Ren'Py saves directory.
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if [ ! -z "$\{XDG_CONFIG_HOME+x\}" ]; then
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RENPY_SAVE_DIR="$XDG_CONFIG_HOME/renpy"
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else
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RENPY_SAVE_DIR="$HOME/.config/renpy"
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fi
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# Create the Ren'Py saves directory if it doesn't exist.
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[ ! -d "$RENPY_SAVE_DIR" ] && mkdir -p "$RENPY_SAVE_DIR"
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# Get the full path of the file.
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executable=$(realpath "$1")
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# Get the directory the file is contained in so it can be mounted int the
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# sandbox.
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executable_dir=$(dirname "$executable")
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# Make sure the file is executable.
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[ ! -x "$executable" ] && notify_and_exit "File \`$executable\` is not executable" 1
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# Run the specified command in Bubblewrap. Unshare all namespaces, and bind the
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# working directory and Ren'Py saves directory.
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exec bwrap \
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--unshare-all \
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--die-with-parent \
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--new-session \
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--unsetenv RENPY_PATH_TO_SAVES \
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--ro-bind "/" "/" \
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--dev "/dev" \
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--dev-bind "/dev/dri" "/dev/dri" \
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--proc "/proc" \
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--tmpfs "$HOME" \
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--bind "$XDG_CONFIG_HOME/MangoHud" "$XDG_CONFIG_HOME/MangoHud" \
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--bind "$executable_dir" "$executable_dir" \
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--bind "$RENPY_SAVE_DIR" "$HOME/.renpy" \
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"$executable"
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