Switch to using awk for macOS

Testing # @does @it @work?

.github/workflows/wheeltest.yml

@@ -39,25 +39,19 @@ jobs:
         if: (matrix.os == 'macos-13') || (matrix.os == 'macos-14')
         run: |
 
-          # Get updated bash to access readarray
-          brew install bash
-          # Switch to bash for readarray
-          $(brew --prefix bash)/bin/bash
           # Set "checking" variable to false by default.
           echo "has_tags=false" >> $GITHUB_ENV
           # Get your last commit message, not the merge commit.
           text=$(git log -1 --no-merges --pretty=%B)
           # Read the commit message into an array split by "#".
-          IFS="#" read -rA commit_message <<< "$text"
+          declare commit_args=$(awk 'NR==2' <<< $(awk -F'#' '{ for(i=1;i<=NF;i++) print $i }' <<< $(echo $text|tr -d '\n')))
           # Sanity check.
-          echo "the tags are: ${commit_message[1]}"
+          echo "the tags are: ${commit_args}"
           # Add tags and overwrite "checking" variable to true if there are tags.
-          if [[ "${commit_message[1]}" == *"@"*  ]]; then
+          if [[ "${commit_args[1]}" == *"@"*  ]]; then
             echo "has_tags=true" >> $GITHUB_ENV
-            echo "spec_tags=${commit_message[1]}" >> $GITHUB_ENV
+            echo "spec_tags=${commit_args}" >> $GITHUB_ENV
           fi
-          # Switch back to zsh
-          /bin/zsh
 
       - name: Set up macOS-specific paths and libraries
         if: (matrix.os == 'macos-13') || (matrix.os == 'macos-14')