[skip ci] some updates

.github/workflows/building.yml

@@ -38,15 +38,15 @@ jobs:
       - name: Install CUDA ${{ matrix.cuda-version }}
         if: ${{ matrix.cuda-version != 'cpu' }}
         run: |
-          source .github/workflows/cuda/${{ matrix.cuda-version }}-${{ runner.os }}.sh
+          ./.github/workflows/cuda/${{ matrix.cuda-version }}-${{ runner.os }}.sh
 
       - name: Install PyTorch ${{ matrix.torch-version }}+${{ matrix.cuda-version }}
-        if : ${{ runner.os != 'macOS' }}
+        if : ${{ runner.os != 'macOS' && (matrix.torch-version != '1.8.0' || matrix.cuda-version != 'cu102') }}
         run: |
           pip install torch==${{ matrix.torch-version}}+${{ matrix.cuda-version }} -f https://download.pytorch.org/whl/torch_stable.html
 
-      - name: Install PyTorch ${{ matrix.torch-version }}+${{ matrix.cuda-version }} on macOS
-        if : ${{ runner.os == 'macOS' }}
+      - name: Install PyTorch ${{ matrix.torch-version }}+${{ matrix.cuda-version }}
+        if : ${{ runner.os == 'macOS' || (matrix.torch-version == '1.8.0' && matrix.cuda-version == 'cu102') }}
         run: |
           pip install torch==${{ matrix.torch-version}} -f https://download.pytorch.org/whl/torch_stable.html
 
@@ -59,7 +59,7 @@ jobs:
       - name: Install main package with CUDA
         if: ${{ matrix.cuda-version != 'cpu' }}
         run: |
-          source .github/workflows/cuda/${{ matrix.cuda-version }}-${{ runner.os }}-env.sh
+          ./.github/workflows/cuda/${{ matrix.cuda-version }}-${{ runner.os }}-env.sh
           FORCE_CUDA=1 pip install -e .
           ls -lah torch_scatter/
 

.github/workflows/cuda/cu101-Linux-env.sh

 #!/bin/bash
 
-CUDA_HOME=/usr/local/cuda-10.1
-LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
-PATH=${CUDA_HOME}/bin:${PATH}
+export CUDA_HOME=/usr/local/cuda-10.1
+export LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
+export PATH=${CUDA_HOME}/bin:${PATH}

.github/workflows/cuda/cu101-Windows-env.sh

 #!/bin/bash
 
-CUDA_HOME=/c/Program\ Files/NVIDIA\ GPU\ Computing\ Toolkit/CUDA/v10.1
-PATH=${CUDA_HOME}/bin:$PATH
-PATH=/c/Program\ Files\ \(x86\)/Microsoft\ Visual\ Studio/2017/BuildTools/MSBuild/15.0/Bin:$PATH
+export CUDA_HOME=/c/Program\ Files/NVIDIA\ GPU\ Computing\ Toolkit/CUDA/v10.1
+export PATH=${CUDA_HOME}/bin:$PATH
+export PATH=/c/Program\ Files\ \(x86\)/Microsoft\ Visual\ Studio/2017/BuildTools/MSBuild/15.0/Bin:$PATH

.github/workflows/cuda/cu102-Linux-env.sh

 #!/bin/bash
 
-CUDA_HOME=/usr/local/cuda-10.2
-LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
-PATH=${CUDA_HOME}/bin:${PATH}
+export CUDA_HOME=/usr/local/cuda-10.2
+export LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
+export PATH=${CUDA_HOME}/bin:${PATH}

.github/workflows/cuda/cu102-Windows-env.sh

 #!/bin/bash
 
-CUDA_HOME=/c/Program\ Files/NVIDIA\ GPU\ Computing\ Toolkit/CUDA/v10.2
-PATH=${CUDA_HOME}/bin:$PATH
-PATH=/c/Program\ Files\ \(x86\)/Microsoft\ Visual\ Studio/2017/BuildTools/MSBuild/15.0/Bin:$PATH
+export CUDA_HOME=/c/Program\ Files/NVIDIA\ GPU\ Computing\ Toolkit/CUDA/v10.2
+export PATH=${CUDA_HOME}/bin:$PATH
+export PATH=/c/Program\ Files\ \(x86\)/Microsoft\ Visual\ Studio/2017/BuildTools/MSBuild/15.0/Bin:$PATH

.github/workflows/cuda/cu111-Linux-env.sh

 #!/bin/bash
 
-CUDA_HOME=/usr/local/cuda-11.1
-LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
-PATH=${CUDA_HOME}/bin:${PATH}
+export CUDA_HOME=/usr/local/cuda-11.1
+export LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
+export PATH=${CUDA_HOME}/bin:${PATH}

.github/workflows/cuda/cu111-Windows-env.sh

 #!/bin/bash
 
-CUDA_HOME=/c/Program\ Files/NVIDIA\ GPU\ Computing\ Toolkit/CUDA/v11.1
-PATH=${CUDA_HOME}/bin:$PATH
-PATH=/c/Program\ Files\ \(x86\)/Microsoft\ Visual\ Studio/2017/BuildTools/MSBuild/15.0/Bin:$PATH
+export CUDA_HOME=/c/Program\ Files/NVIDIA\ GPU\ Computing\ Toolkit/CUDA/v11.1
+export PATH=${CUDA_HOME}/bin:$PATH
+export PATH=/c/Program\ Files\ \(x86\)/Microsoft\ Visual\ Studio/2017/BuildTools/MSBuild/15.0/Bin:$PATH