feat(commit.py): throw an error if no token was supplied. i.e. empty variable.

A check is done on the supplied token,
if 'None', throws an error that can be viewed in the output log and
in the job output.

fixes #11 !12

conventional_commits/.gitlab-ci.yml

@@ -55,10 +55,7 @@ MR Title:
     extends:
         - .conventional_commit
     script:
-
-        - $ROOT_DIR/conventional_commits/scripts/commit.py --token "$MR_ACCESS_TOKEN" --project $PROJECT_ID --title --branch $CI_COMMIT_BRANCH
-
-
+        - echo "[DEBUG] Merge Request Title[$($ROOT_DIR/conventional_commits/scripts/commit.py --token "$MR_ACCESS_TOKEN" --project $PROJECT_ID --title --branch $CI_COMMIT_BRANCH)]"
         - cz_exit=0 && cz check --message "$($ROOT_DIR/conventional_commits/scripts/commit.py --token "$MR_ACCESS_TOKEN" --project $PROJECT_ID --title --branch $CI_COMMIT_BRANCH)" > "$CI_PROJECT_DIR/artifacts/$CI_JOB_STAGE/$CI_JOB_NAME/cz_output.log" 2>&1 || cz_exit=$?
         - . $ROOT_DIR/conventional_commits/scripts/cz_junit.sh > "$CI_PROJECT_DIR/artifacts/$CI_JOB_STAGE/tests/$CI_JOB_NAME-cz.junit.xml"
 

conventional_commits/scripts/commit.py

@@ -26,6 +26,8 @@ for opt, arg in opts:
         print('[commit.py] -i <inputfile> -o <outputfile>')
         sys.exit()
     elif opt in ("-t", "--token"):
+       if arg is None:
+         raise ValueError('Token switch was specified, however no token was supplied.')
        ci_job_token = arg
     elif opt in ("-ti", "--title"):
        get_mr_title = True