I had to fix the Slackware 15.0 git repository

Recently, and unexpectedly, I noticed a lot of errors in the output of the script which populates the git repository for Slackware. Specifically, when it updated the 15.0 branch which tracks the updates in Slackware 15.0. I did an evening of troubleshooting and fixing. Somehow, the root user had dumped a copy of Slackware-current in [ ]