Fix upload action uploading whole directory structure instead of targ…

…et files

Signed-off-by: Daniel Weiße <[email protected]>

.github/actions/artifact_upload/action.yml

@@ -39,21 +39,30 @@ runs:
 
         # Check if any file matches the given pattern(s).
         something_exists=false
-        for pattern in ${paths}; do
-          if compgen -G ${pattern} > /dev/null; then
+        for pattern in ${paths}
+        do
+          if compgen -G "${pattern}" > /dev/null; then
             something_exists=true
           fi
         done
 
         # Create an archive if files exist.
         # Don't create an archive file if no files are found
         # and warn.
-        if ${something_exists}; then
-          zip -e -P '${{ inputs.encryptionSecret }}' -qq -r ${{ steps.tempdir.outputs.directory }}/archive.zip ${paths}
-        else
+        if ! ${something_exists}
+        then
           echo "::warning:: No files/directories found with the provided path(s): ${paths}. No artifact will be uploaded."
+          exit 0
         fi
 
+        for target in ${paths}
+        do
+          echo "Adding ${target} to archive"
+          pushd "$(dirname "${target}")" || exit 1
+          zip -e -P '${{ inputs.encryptionSecret }}' -r "${{ steps.tempdir.outputs.directory }}/archive.zip" "$(basename "${target}")"
+          popd || exit 1
+        done
+
     - name: Upload archive as artifact
       uses: actions/upload-artifact@v3
       with: