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Verify whisper model checksum on install

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This commit is contained in:
Stu Leak 2026-01-11 07:26:41 -05:00
parent 9999a1716a
commit e8e3a64cb3
1 changed files with 27 additions and 0 deletions
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27
scripts/install.sh
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@ -349,6 +349,7 @@ else
whisper_model_dir="$HOME/.local/share/whisper.cpp/models" whisper_model_dir="$HOME/.local/share/whisper.cpp/models"
whisper_model_dest="$whisper_model_dir/ggml-small.bin" whisper_model_dest="$whisper_model_dir/ggml-small.bin"
whisper_model_url="https://huggingface.co/ggerganov/whisper.cpp/resolve/main/ggml-small.bin" whisper_model_url="https://huggingface.co/ggerganov/whisper.cpp/resolve/main/ggml-small.bin"
whisper_sha_url="https://huggingface.co/ggerganov/whisper.cpp/raw/main/ggml-small.bin"
mkdir -p "$whisper_model_dir" mkdir -p "$whisper_model_dir"
if [ -f "$whisper_model_src" ]; then if [ -f "$whisper_model_src" ]; then
if [ ! -f "$whisper_model_dest" ]; then if [ ! -f "$whisper_model_dest" ]; then
@ -367,6 +368,32 @@ else
echo "Install one of them or place ggml-small.bin at $whisper_model_src" echo "Install one of them or place ggml-small.bin at $whisper_model_src"
exit 1 exit 1
fi fi
# Verify checksum using official LFS pointer when possible.
if command -v sha256sum &> /dev/null || command -v shasum &> /dev/null; then
if command -v curl &> /dev/null; then
whisper_sha="$(curl -sL "$whisper_sha_url" | awk '/oid sha256:/ {print $3}' | cut -d: -f2)"
elif command -v wget &> /dev/null; then
whisper_sha="$(wget -qO- "$whisper_sha_url" | awk '/oid sha256:/ {print $3}' | cut -d: -f2)"
fi
if [ -n "$whisper_sha" ]; then
if command -v sha256sum &> /dev/null; then
actual_sha="$(sha256sum "$whisper_model_dest" | awk '{print $1}')"
else
actual_sha="$(shasum -a 256 "$whisper_model_dest" | awk '{print $1}')"
fi
if [ "$actual_sha" != "$whisper_sha" ]; then
echo -e "${RED}[ERROR]${NC} Whisper model checksum mismatch."
echo "Expected: $whisper_sha"
echo "Actual: $actual_sha"
exit 1
fi
echo -e "${GREEN}[OK]${NC} Whisper model checksum verified"
else
echo -e "${YELLOW}WARNING:${NC} Could not fetch official checksum; skipping verification."
fi
else
echo -e "${YELLOW}WARNING:${NC} sha256sum/shasum not available; skipping checksum verification."
fi
echo -e "${GREEN}[OK]${NC} Whisper small model downloaded to $whisper_model_dir" echo -e "${GREEN}[OK]${NC} Whisper small model downloaded to $whisper_model_dir"
fi fi
fi fi