Check cargo-publish error type

.github/workflows/cpal.yml

@@ -28,19 +28,39 @@ jobs:
 
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
 
+    env:
+      CRATESIO_TOKEN: ${{ secrets.CRATESIO_TOKEN }}
+      ALSA: alsa-sys.txt
+      CPAL: cpal.txt
+
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v1
     - name: Install alsa
       run: sudo apt-get install libasound2-dev
-    - name: Run cargo publish
+    - name: Run cargo publish for alsa-sys
+      continue-on-error: true
       env:
         MANIFEST: alsa-sys/Cargo.toml
-        CRATESIO_TOKEN: ${{ secrets.CRATESIO_TOKEN }}
       run: |
-        cargo publish --token $CRATESIO_TOKEN --manifest-path $MANIFEST
+        cargo publish --token $CRATESIO_TOKEN --manifest-path $MANIFEST 2> $ALSA
-        cargo publish --token $CRATESIO_TOKEN
+    - name: Check if alsa-sys is already published
+      run: |
+        empty=0
+        grep -q '[^[:space:]]' < $ALSA || empty=1
+        [ $empty -eq 0 ] && cat $ALSA
+        [ $empty -eq 1 ] || grep -q "is already uploaded" < $ALSA
+    - name: Run cargo publish for cpal
+      continue-on-error: true
+      run: |
+        cargo publish --token $CRATESIO_TOKEN 2> $CPAL
+    - name: Check if cpal is already published
+      run: |
+        empty=0
+        grep -q '[^[:space:]]' < $CPAL || empty=1
+        [ $empty -eq 0 ] && cat $CPAL
+        [ $empty -eq 1 ] || grep -q "is already uploaded" < $CPAL
 
   ubuntu-test: