Specify `set -xev` in an alternative way.

drupalci.yml

@@ -36,6 +36,8 @@ build:
           - cat modules/contrib/automatic_updates/dictionary.txt >> core/misc/cspell/dictionary.txt
           # Ensure we have the full path to PHPStan.
           - sed -i "s/vendor\/bin\/phpstan/\/var\/www\/html\/vendor\/bin\/phpstan/" modules/contrib/automatic_updates/commit-code-check.sh
+          # Ensure that debugging commit-code-check.sh is feasible at all times.
+          - sed -i "s/# Searches an array./set -xev/" modules/contrib/automatic_updates/commit-code-check.sh
           # After all of the shenanigans above, we're finally ready to run core's `commit-code-check.sh`! :)
           - cat modules/contrib/automatic_updates/commit-code-check.sh
           - diff /var/www/html/core/scripts/dev/commit-code-check.sh modules/contrib/automatic_updates/commit-code-check.sh
@@ -43,7 +45,6 @@ build:
           - ls -al modules/contrib/automatic_updates/src/
           - ls -al /var/www/html/core/
           - git config --global --add safe.directory /var/www/html/modules/contrib/automatic_updates
-          - sh -xev modules/contrib/automatic_updates/commit-code-check.sh --drupalci
           # Restore the original permissions.
           - chmod 777 modules/contrib/automatic_updates/
           # Disable the PCRE engine's JIT, since it causes Composer to die during the