update bitsandbytes build script

bitsandbytes-rocm-build/Dockerfile

@@ -1,33 +1,39 @@
 FROM rocm/dev-ubuntu-22.04:6.1.2
 
-ENV DEBIAN_FRONTEND=noninteractive \
+ENV ROCM_ARCH="gfx1030" \
+    TORCH_VERSION="rocm6.1" \
+    DEBIAN_FRONTEND=noninteractive \
     PYTHONUNBUFFERED=1 \
-    PYTHONIOENCODING=UTF-8 \
-    ROCM_ARCH="gfx1030"
+    PYTHONIOENCODING=UTF-8
 
 WORKDIR /tmp
 
 RUN apt-get update -y
-RUN apt-get install -y wget git cron cmake make
+RUN apt-get install -y wget git cron cmake make software-properties-common
+
+# Install python3.10
+RUN add-apt-repository ppa:deadsnakes/ppa -y && apt-get update -y
+RUN apt-get install -y python3.10 python3.10-dev python3.10-venv
+
+ENV VIRTUAL_ENV=/opt/venv
+RUN python3.10 -m venv $VIRTUAL_ENV
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 
-# Install python3
-RUN apt-get install -y python3 python3-dev
-RUN curl -sS https://bootstrap.pypa.io/get-pip.py | python3
 RUN pip3 install --upgrade pip wheel setuptools
+
 # Install pytorch for rocm
-RUN pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/rocm6.1
+RUN pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/${TORCH_VERSION}
 
 # ROCM bitsandbytes
 RUN apt-get install -y hipblas hipblaslt hiprand hipsparse hipcub rocthrust-dev
 ## Clone repo and install python requirements
-RUN git clone --recurse https://github.com/ROCm/bitsandbytes
+RUN git clone --depth 1 -b multi-backend-refactor https://github.com/bitsandbytes-foundation/bitsandbytes.git
 WORKDIR /tmp/bitsandbytes
-RUN git checkout rocm_enabled
 RUN pip3 install -r requirements-dev.txt
 ## Build
 RUN cmake -DCOMPUTE_BACKEND=hip -S . -DBNB_ROCM_ARCH=${ROCM_ARCH}
 RUN make
-RUN python3 setup.py bdist_wheel --universal
+RUN python3.10 setup.py bdist_wheel --universal
 
 # Cleanup
 RUN apt-get clean && pip3 cache purge