feat: oshu-launcher
commit
8a2b868c8f
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#!/bin/bash
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# Copyright 2022 Tom MTT <tom@heimdall.pm>
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# This file is licensed under the 3-Clause BSD License.
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# Please see 'oshu-launcher version' for more information.
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# Shell options
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set -euo pipefail
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# Debug Mode
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[ "${DEBUG+x}" ] && set -x
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# Constants
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PROGRAM="$(basename "$0")"
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PADDING="$(printf "%-${#PROGRAM}s")"
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VERSION="0.1.0"
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AUTHORS="Tom MTT <tom@heimdall.pm>"
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PREFIX="$HOME/.osu"
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# Misc
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CLEAR="\033[0m"
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RED="\033[31m"
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BLUE="\033[34m"
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ERROR="${RED}Error${CLEAR}"
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PS3="> "
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die() {
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echo -e "$PROGRAM: $ERROR: $1" >&2
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shift
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for text in "$@"
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do
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echo -e "$PADDING $text" >&2
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done
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exit 1
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}
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# Check dependencies and stuff
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check_deps() {
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type oshu > /dev/null 2>&1 || die "'oshu' not found." "Make sure it is installed and in your \$PATH."
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type tree > /dev/null 2>&1 || die "'tree' not found." "Make sure it is installed and in your \$PATH."
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}
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# Display help page
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cmd_help() {
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cat <<EOF
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oshu-launcher - a small menu for oshu
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Usage: $PROGRAM [help|version|play|list]
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Commands:
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help display this help
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version display software version and license
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play play oshu
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list list available beatmaps and variants
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EOF
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}
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# Display software version and license
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cmd_version() {
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cat <<EOF
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oshu-launcher - a small menu for oshu
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- version $VERSION by $AUTHORS
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Copyright 2022 Tom MTT <tom@heimdall.pm>
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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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EOF
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}
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# Play a beatmap
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cmd_play() {
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while true
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do
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clear
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cd "$PREFIX"
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echo -e "${BLUE}Which beatmap?${CLEAR}"
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select beatmap in *
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do
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[[ "$REPLY" = "q" ]] && exit
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[[ -z "$beatmap" ]] && continue
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clear
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cd "$beatmap"
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variants=()
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for file in *.osu
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do
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variants+=("$(basename "$file" .osu)")
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done
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echo -e "${BLUE}Which variant?${CLEAR}"
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select variant in "${variants[@]}"
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do
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[[ "$REPLY" = "q" ]] && exit
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[[ -z "$variant" ]] && continue
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oshu --pause "$variant.osu"
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break
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done
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break
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done
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done
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}
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# List every beatmap and variants
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cmd_list() {
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tree -NCl --prune --noreport -P "*.osu" * | sed -E 's/\.osu(\x1B\[[0-9]+m)?( ->|$)/\1\2/g'
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}
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# Main function
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main() {
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# Change root folder
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cd "$PREFIX"
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# Convert long flags to short ones
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for arg in "$@"; do
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shift
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case "$arg" in
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"--help") set -- "$@" "-h" ;;
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"--version") set -- "$@" "-V" ;;
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*) set -- "$@" "$arg" ;;
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esac
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done
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argument="${1-}"
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# Parse arguments
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case "$argument" in
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"") cmd_play ;;
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"-h") cmd_help ;;
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"-V") cmd_version ;;
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"-"*)
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die "'$argument' is not a known parameter." \
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"Run '$PROGRAM help' for a list of known parameters."
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;;
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*)
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shift
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if type "cmd_$argument" > /dev/null 2>&1
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then
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"cmd_$argument" "$@"
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else
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die "'$argument' is not a known subcommand." \
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"Run '$PROGRAM help' for a list of known subcommands."
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fi
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;;
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esac
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}
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check_deps
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main "$@"
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