Move merge.log to ${CI_PROJECT_DIR}.
This is the only log that is created inside ${WORKDIR}. Move it to the root dir to keep consistency.
${WORKDIR} is workdir/, so the log is in workdir/merge.log instead of merge.log
This is the only log that is created inside ${WORKDIR}. Move it to the root dir to keep consistency.
${WORKDIR} is workdir/, so the log is in workdir/merge.log instead of merge.log