67 lines
2.1 KiB
Bash
67 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# Install the portable NexusOS wheel in Termux.
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#
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# NEXUS_PACKAGE may be a PyPI requirement, wheel URL, or local wheel path.
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# NEXUS_ANDROID_WHEEL_INDEX may point at a trusted PEP 503 index containing
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# Android pydantic-core wheels for the device's Python/CPU combination.
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set -euo pipefail
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if [[ "${PREFIX:-}" != *com.termux* ]]; then
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echo "This installer must be run inside Termux." >&2
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exit 2
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fi
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PACKAGE_SPEC="${1:-${NEXUS_PACKAGE:-nexusos-ai}}"
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echo "==> Installing Termux prerequisites"
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pkg update -y
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pkg install -y python python-pip curl clang make
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PYTHON_TAG="$(python -c 'import sys; print(f"cp{sys.version_info.major}{sys.version_info.minor}")')"
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ARCH="$(uname -m)"
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echo "==> Python ${PYTHON_TAG}; architecture ${ARCH}"
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PIP_INDEX_ARGS=()
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if [[ -n "${NEXUS_ANDROID_WHEEL_INDEX:-}" ]]; then
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PIP_INDEX_ARGS+=(--extra-index-url "${NEXUS_ANDROID_WHEEL_INDEX}")
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fi
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# Pydantic 2 is required on Python 3.14+, and its Rust extension is not built
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# reliably on-device. Require a binary before asking pip to resolve NexusOS so
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# failures are immediate and actionable. Older Termux environments also benefit
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# from using a wheel instead of compiling the extension on a phone.
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echo "==> Checking for an Android pydantic-core wheel"
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if ! python -m pip install \
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--only-binary=pydantic-core \
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"${PIP_INDEX_ARGS[@]}" \
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"pydantic>=2.7,<3"; then
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cat >&2 <<EOF
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No compatible pydantic-core wheel was found for ${PYTHON_TAG}/${ARCH}.
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PyPI does not currently publish Android wheels for this native dependency.
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Set NEXUS_ANDROID_WHEEL_INDEX to a trusted NexusOS Android wheel index and
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run this installer again. Do not force a source build on a memory-limited phone.
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EOF
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exit 1
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fi
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echo "==> Installing ${PACKAGE_SPEC}"
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python -m pip install "${PACKAGE_SPEC}"
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echo "==> Initializing NexusOS"
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nexus init
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if [[ -n "${NEXUS_PROVIDER_URL:-}" ]]; then
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nexus provider use remote --url "${NEXUS_PROVIDER_URL}"
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fi
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nexus doctor
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cat <<'EOF'
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NexusOS is installed. Configure an Ollama-compatible provider, then run:
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nexus provider use remote --url http://YOUR-OLLAMA-HOST:11434
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nexus serve
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Open http://127.0.0.1:8000 in the Android browser.
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EOF
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GitNexus · part of the Nexus stack