ci(docker): de-dockerize version checks

Author: thomasleplus

.github/workflows/pipx-check-versions.yml

@@ -29,6 +29,24 @@ jobs:
         run: |
           set -euo pipefail
           IFS=$'\n\t'
-          if pipx upgrade-all --global | tee -a /dev/stderr | grep -q -e "^upgraded " ; then
-            exit 1
-          fi
+          rc=0
+          # Read each line from requirements.txt
+          while IFS= read -r line; do
+              # Skip empty lines and comments
+              if [[ -z "$line" || "$line" =~ ^# ]]; then
+                  continue
+              fi
+              # Extract package name and current version
+              if [[ "$line" =~ ^([a-zA-Z0-9_-]+)==([0-9.]+) ]]; then
+                  package="${BASH_REMATCH[1]}"
+                  current_version="${BASH_REMATCH[2]}"
+                  # Get latest version from PyPI using pip index versions
+                  # The version in parentheses on the first line is the latest
+                  latest_version=$(\pip index versions "$package" 2>/dev/null | \head -1 | \sed -E 's/.*\(([0-9.]+)\).*/\1/' || echo "unknown")
+                  if [ "${current_version}" != "${latest_version}" ]; then
+                      echo "${package}: ${current_version} -> ${latest_version}"
+                      rc=$((rc+1))
+                  fi
+              fi
+          done < requirements.txt
+          exit ${rc}