59 lines
3.1 KiB
Bash
Executable file
59 lines
3.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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# setup-runtime.sh — fetch Rudder's speech runtime + model, verified by SHA-256, then build the engine.
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#
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# Rudder (plugin-designs/rudder-voice) transcribes on THIS computer. It needs two things that are too big
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# for git: NVIDIA's NeMo-Speech.cpp runtime (~4 MB, CPU build) and the Nemotron 3.5 ASR Streaming GGUF
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# (~742 MB). Both are pinned by version and checksum; a mismatch aborts instead of running an unverified
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# file. After this, `bun run dev` starts the engine and Rudder appears in the Plugin Studio.
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#
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# bash backend/rudder-engine/setup-runtime.sh # installs into ~/.local/share/rudder
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# RUDDER_HOME=/some/dir bash backend/rudder-engine/setup-runtime.sh
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#
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# Linux x86_64 only for now (the runtime ships other platforms; add them when a desktop build needs them).
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set -euo pipefail
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RUDDER_HOME="${RUDDER_HOME:-$HOME/.local/share/rudder}"
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RT_VER="0.1.0"
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RT_NAME="nemo-speech-${RT_VER}-linux-x86_64-cpu"
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RT_URL="https://github.com/NVIDIA/NeMo-Speech.cpp/releases/download/v${RT_VER}/${RT_NAME}.tar.gz"
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RT_SHA="0f74131d631ad2c694cf0ec53490866bb6461147959589a69fb6fc231944065b"
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# NVIDIA re-converted the GGUF on 2026-09-10 (embedded tokenizer); this revision is the one Rudder is tested with.
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MODEL_REV="ea30d66debe3"
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MODEL_FILE="nemotron-3.5-asr-streaming-0.6b.q8_0.gguf"
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MODEL_URL="https://huggingface.co/nvidia/nemotron-3.5-asr-streaming-0.6b/resolve/${MODEL_REV}/${MODEL_FILE}"
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MODEL_SHA="3fc991d3badad7277c11030a7519832cddaf2057aafed6d4b25147e953a070b1"
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say() { printf '\033[1;34m→\033[0m %s\n' "$*"; }
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die() { printf '\033[1;31m✗\033[0m %s\n' "$*" >&2; exit 1; }
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[ "$(uname -s)-$(uname -m)" = "Linux-x86_64" ] || die "This script currently supports Linux x86_64 only."
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command -v curl >/dev/null || die "curl is required."
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command -v sha256sum >/dev/null || die "sha256sum is required."
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fetch() { # url dest sha
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local url="$1" dest="$2" sha="$3"
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if [ -f "$dest" ] && [ "$(sha256sum "$dest" | cut -d' ' -f1)" = "$sha" ]; then
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say "already have $(basename "$dest") (checksum OK)"; return
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fi
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say "downloading $(basename "$dest")"
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curl -fL --retry 3 -C - -o "$dest.part" "$url"
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[ "$(sha256sum "$dest.part" | cut -d' ' -f1)" = "$sha" ] || { rm -f "$dest.part"; die "checksum mismatch for $(basename "$dest") — refusing to use it"; }
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mv "$dest.part" "$dest"
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}
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mkdir -p "$RUDDER_HOME/bin" "$RUDDER_HOME/models"
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fetch "$RT_URL" "$RUDDER_HOME/bin/$RT_NAME.tar.gz" "$RT_SHA"
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tar -xzf "$RUDDER_HOME/bin/$RT_NAME.tar.gz" -C "$RUDDER_HOME/bin"
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fetch "$MODEL_URL" "$RUDDER_HOME/models/$MODEL_FILE" "$MODEL_SHA"
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if command -v go >/dev/null; then
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say "building backend/bin/rudder-engine"
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(cd "$(dirname "$0")" && go build -o ../bin/rudder-engine .)
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else
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printf '! Go not found — install Go, then: cd backend/rudder-engine && go build -o ../bin/rudder-engine .\n'
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fi
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for tool in parec pactl; do command -v "$tool" >/dev/null || printf '! %s not found — install pipewire-pulse or pulseaudio-utils for microphone capture.\n' "$tool"; done
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say "done. Runtime: $RUDDER_HOME/bin/$RT_NAME Model: $RUDDER_HOME/models/$MODEL_FILE"
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say "run \`bun run dev\` and open Rudder (rudder-voice) in the Plugin Studio."
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