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fix(installer): detect Apple Silicon GPU and use Homebrew for Ollama on macOS #275

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fix(installer): detect Apple Silicon GPU and use Homebrew for Ollama on macOS #275

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22 changes: 19 additions & 3 deletions install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -128,10 +128,14 @@ get_ollama_version() {
}

detect_gpu() {
# Returns 0 if a GPU is detected
# Returns 0 if a GPU is detected (NVIDIA or Apple Silicon)
if command_exists nvidia-smi; then
nvidia-smi &>/dev/null && return 0
fi
# Apple Silicon — unified GPU is always present on M-series chips
if [[ "$(uname -s)" == "Darwin" && "$(uname -m)" == "arm64" ]]; then
return 0
fi
return 1
}

Expand All @@ -152,6 +156,18 @@ get_vram_mb() {
echo 0
}

install_ollama_platform() {
if [[ "$(uname -s)" == "Darwin" ]]; then
if command_exists brew; then
brew install ollama || brew upgrade ollama
else
error "Homebrew is required to install Ollama on macOS. Install it from https://brew.sh"
fi
else
curl -fsSL https://ollama.com/install.sh | sh
fi
}

install_or_upgrade_ollama() {
if detect_gpu && command_exists ollama; then
local current
Expand All @@ -160,14 +176,14 @@ install_or_upgrade_ollama() {
info "Ollama v${current} meets minimum requirement (>= v${OLLAMA_MIN_VERSION})"
else
info "Ollama v${current:-unknown} is below v${OLLAMA_MIN_VERSION} — upgrading…"
curl -fsSL https://ollama.com/install.sh | sh
install_ollama_platform
info "Ollama upgraded to $(get_ollama_version)"
fi
else
# No ollama — only install if a GPU is present
if detect_gpu; then
info "GPU detected — installing Ollama…"
curl -fsSL https://ollama.com/install.sh | sh
install_ollama_platform
info "Ollama installed: v$(get_ollama_version)"
else
warn "No GPU detected — skipping Ollama installation."
Expand Down