README and scripts for managin BitWig with Wine 9.21 to support Windows VSTs via yabridge.

scripts/bitwig-studio-yabridge-9.21.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+wine_loader="${YABRIDGE_WINELOADER:-$script_dir/wine-staging-9.21.sh}"
+bitwig="${BITWIG_STUDIO:-/usr/bin/bitwig-studio}"
+
+if [[ ! -x "$wine_loader" ]]; then
+  printf 'Wine loader is not executable: %s\n' "$wine_loader" >&2
+  exit 127
+fi
+
+if [[ ! -x "$bitwig" ]]; then
+  printf 'Bitwig Studio launcher is not executable: %s\n' "$bitwig" >&2
+  exit 127
+fi
+
+export WINELOADER="$wine_loader"
+unset WINEPREFIX
+
+exec "$bitwig" "$@"

scripts/wine-staging-9.21.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+wine_root="${WINE_STAGING_921_ROOT:-${WINE921_ROOT:-$HOME/.local/opt/wine-staging-9.21}}"
+wine_loader="${WINE_STAGING_921_LOADER:-wine64}"
+
+if [[ ! -x "$wine_root/usr/bin/$wine_loader" || ! -x "$wine_root/usr/bin/wineserver" ]]; then
+  cat >&2 <<EOF
+Wine 9.21 was not found under:
+  $wine_root
+
+Install it by extracting the Arch Linux Archive package there, for example:
+  mkdir -p "$wine_root"
+  curl -L -o /tmp/wine-staging-9.21-1-x86_64.pkg.tar.zst \\
+    "https://archive.archlinux.org/packages/w/wine-staging/wine-staging-9.21-1-x86_64.pkg.tar.zst"
+  bsdtar -C "$wine_root" -xf /tmp/wine-staging-9.21-1-x86_64.pkg.tar.zst
+EOF
+  exit 127
+fi
+
+export PATH="$wine_root/usr/bin:$PATH"
+if [[ -n "${WINEDLLPATH:-}" ]]; then
+  export WINEDLLPATH="$wine_root/usr/lib:$WINEDLLPATH"
+else
+  export WINEDLLPATH="$wine_root/usr/lib"
+fi
+export WINESERVER="$wine_root/usr/bin/wineserver"
+
+case "${1:-}" in
+  wine|wine64|wineboot|winecfg|wineconsole|winedbg|winefile|winepath|wineserver|regedit|msiexec)
+    command="$1"
+    shift
+    exec "$wine_root/usr/bin/$command" "$@"
+    ;;
+esac
+
+exec "$wine_root/usr/bin/$wine_loader" "$@"