132 lines
5.7 KiB
Bash
132 lines
5.7 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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ROOT_DIR="$(dirname "$(dirname "$SCRIPT_DIR")")"
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APP_DIR="$ROOT_DIR/app"
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TOOLS_DIR="$APP_DIR/tools"
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RELEASE="${WHISPER_RELEASE:-v1.9.1}"
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PLATFORM="$(uname -s)"
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ARCH="$(uname -m)"
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download_and_extract() {
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local asset="$1"
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local dest="$2"
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local archive="$TOOLS_DIR/$asset"
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local url="https://github.com/ggml-org/whisper.cpp/releases/download/$RELEASE/$asset"
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if [[ -x "$dest/whisper-cli" ]]; then
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echo " OK whisper.cpp speech backend already ready: $dest"
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return 0
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fi
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mkdir -p "$TOOLS_DIR" "$dest"
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rm -f "$archive" "$archive.part"
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echo " >> Downloading $asset"
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curl -fSL --progress-bar "$url" -o "$archive.part"
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mv "$archive.part" "$archive"
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if command -v python3 >/dev/null 2>&1; then
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python3 "$SCRIPT_DIR/extract_tar.py" --archive "$archive" --dest "$dest" --strip-components=1
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else
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tar -xzf "$archive" -C "$dest" --strip-components=1
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fi
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rm -f "$archive"
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chmod +x "$dest"/whisper-* "$dest"/main "$dest"/server 2>/dev/null || true
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if [[ ! -x "$dest/whisper-cli" && -x "$dest/main" ]]; then
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cp "$dest/main" "$dest/whisper-cli"
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chmod +x "$dest/whisper-cli"
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fi
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if [[ ! -x "$dest/whisper-server" && -x "$dest/server" ]]; then
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cp "$dest/server" "$dest/whisper-server"
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chmod +x "$dest/whisper-server"
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fi
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if [[ ! -x "$dest/whisper-cli" ]]; then
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echo " XX whisper-cli was not found after extracting $asset" >&2
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return 1
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fi
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}
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install_macos_whisper_from_homebrew() {
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local cpu_dest="$APP_DIR/speech-backend/mac/cpu"
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local lib_dest="$APP_DIR/speech-backend/mac/lib"
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local brew_bin
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brew_bin="$(command -v brew || true)"
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if [[ -z "$brew_bin" ]]; then
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return 1
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fi
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if ! "$brew_bin" list whisper-cpp >/dev/null 2>&1; then
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echo " >> Installing whisper-cpp with Homebrew..."
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"$brew_bin" install whisper-cpp
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fi
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local whisper_prefix
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whisper_prefix="$("$brew_bin" --prefix whisper-cpp)"
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if [[ ! -x "$whisper_prefix/bin/whisper-cli" ]]; then
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echo " XX Homebrew whisper-cpp did not provide whisper-cli at $whisper_prefix/bin/whisper-cli" >&2
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return 1
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fi
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mkdir -p "$cpu_dest" "$lib_dest"
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cp "$whisper_prefix/bin/whisper-cli" "$cpu_dest/whisper-cli"
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if [[ -x "$whisper_prefix/bin/whisper-server" ]]; then
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cp "$whisper_prefix/bin/whisper-server" "$cpu_dest/whisper-server"
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fi
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chmod +x "$cpu_dest/whisper-cli" "$cpu_dest/whisper-server" 2>/dev/null || true
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# Homebrew's whisper-cli uses @rpath/libwhisper.1.dylib. The app launcher runs
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# it from app/speech-backend/mac/cpu, where ../lib is already in its rpath.
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cp -P "$whisper_prefix"/lib/libwhisper*.dylib "$lib_dest/" 2>/dev/null || true
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if "$cpu_dest/whisper-cli" --help >/dev/null 2>&1; then
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echo " OK installed macOS whisper.cpp backend from Homebrew."
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return 0
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fi
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echo " XX whisper-cli was copied but did not run successfully." >&2
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return 1
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}
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if [[ "$PLATFORM" == "Linux" ]]; then
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mkdir -p "$APP_DIR/speech-backend/linux/cpu" "$APP_DIR/speech-backend/linux/vulkan"
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if [[ ! -x "$APP_DIR/speech-backend/linux/cpu/whisper-cli" && -x "$APP_DIR/speech-backend/linux/whisper-cli" ]]; then
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cp "$APP_DIR/speech-backend/linux"/whisper-* "$APP_DIR/speech-backend/linux/cpu/" 2>/dev/null || true
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cp "$APP_DIR/speech-backend/linux"/main "$APP_DIR/speech-backend/linux/cpu/" 2>/dev/null || true
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cp "$APP_DIR/speech-backend/linux"/server "$APP_DIR/speech-backend/linux/cpu/" 2>/dev/null || true
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chmod +x "$APP_DIR/speech-backend/linux/cpu"/whisper-* "$APP_DIR/speech-backend/linux/cpu"/main "$APP_DIR/speech-backend/linux/cpu"/server 2>/dev/null || true
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echo " OK migrated existing whisper.cpp CPU backend to app/speech-backend/linux/cpu."
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fi
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if [[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]]; then
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download_and_extract "whisper-bin-ubuntu-arm64.tar.gz" "$APP_DIR/speech-backend/linux/cpu"
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else
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download_and_extract "whisper-bin-ubuntu-x64.tar.gz" "$APP_DIR/speech-backend/linux/cpu"
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fi
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echo " .. CPU backend path: app/speech-backend/linux/cpu"
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echo " .. Optional Vulkan GPU backend path: app/speech-backend/linux/vulkan"
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elif [[ "$PLATFORM" == "Darwin" ]]; then
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mkdir -p "$APP_DIR/speech-backend/mac/cpu" "$APP_DIR/speech-backend/mac/metal"
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if [[ ! -x "$APP_DIR/speech-backend/mac/cpu/whisper-cli" && -x "$APP_DIR/speech-backend/mac/whisper-cli" ]]; then
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cp "$APP_DIR/speech-backend/mac"/whisper-* "$APP_DIR/speech-backend/mac/cpu/" 2>/dev/null || true
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cp "$APP_DIR/speech-backend/mac"/main "$APP_DIR/speech-backend/mac/cpu/" 2>/dev/null || true
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cp "$APP_DIR/speech-backend/mac"/server "$APP_DIR/speech-backend/mac/cpu/" 2>/dev/null || true
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chmod +x "$APP_DIR/speech-backend/mac/cpu"/whisper-* "$APP_DIR/speech-backend/mac/cpu"/main "$APP_DIR/speech-backend/mac/cpu"/server 2>/dev/null || true
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echo " OK migrated existing whisper.cpp backend to app/speech-backend/mac/cpu."
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fi
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if [[ -x "$APP_DIR/speech-backend/mac/cpu/whisper-cli" || -x "$APP_DIR/speech-backend/mac/metal/whisper-cli" ]]; then
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echo " OK whisper.cpp macOS speech backend already ready."
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elif install_macos_whisper_from_homebrew; then
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:
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else
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echo " !! Could not install macOS whisper.cpp automatically."
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echo " Homebrew is not installed, and this app does not yet ship a portable macOS whisper.cpp archive."
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echo " For a distributable fix, bundle whisper-cli + whisper-server into app/speech-backend/mac/cpu"
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echo " during packaging, or add a Lemonade embeddable speech backend integration."
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echo " Manual workaround: install whisper.cpp and copy whisper-cli to app/speech-backend/mac/cpu."
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fi
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else
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echo "Unsupported platform: $PLATFORM" >&2
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exit 1
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fi
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