Add Error Handling for Missing lib Directory in CI (publish) Workflow (#393)

* add 'set -e' to libdoc.sh for better error handling
* enhance publish.yml workflow with 'set -e' for error handling in CI script
* add 'set -x' to libdoc.sh for command tracing

.github/workflows/publish.yml

@@ -135,6 +135,7 @@ jobs:
         if: steps.build.outputs.build-libs == 'true'
         shell: bash
         run: |
+          set -e
           set -x
           BOOST_SRC_DIR="${{ steps.boost-clone.outputs.boost-dir }}"
           export BOOST_SRC_DIR
@@ -145,6 +146,7 @@ jobs:
         shell: bash
         working-directory: build
         run: |
+          set -e
           set -x
           find "lib" -mindepth 1 -maxdepth 1 -type d -exec rm -r {} +
           # find "cpp-reference-extension" -mindepth 1 -maxdepth 1 -type d -exec rm -r {} +

libdoc.sh

@@ -15,6 +15,9 @@
 # User's Guide.
 #
 
+set -x
+set -e
+
 if [ $# -eq 0 ]; then
   echo "Usage: $0 { branch | version | 'release' | 'all' }..."
   echo