ports directory (from git fork&clone) up to date, still a warning

[Chris Jones]

> OK. Done that. What does the error mean? I am in a local git branch at 
> the moment (not in master), is that the problem?

Yes. Just do what it says, define the remote branch to use. e.g.

git branch --set-upstream-to=origin/master minio-20200128

> 
> bash-3.2# port -v sync
> --->  Updating the ports tree
> Synchronizing local ports tree from 
> file:///Users/sysbh/MacPortsDev/macports-ports
> There is no tracking information for the current branch.
> Please specify which branch you want to rebase against.
> See git-pull(1) for details.
> 
>      git pull <remote> <branch>
> 
> If you wish to set tracking information for this branch you can do so with:
> 
>      git branch --set-upstream-to=<remote>/<branch> minio-20200128
> 
> Command failed: /usr/bin/git pull --rebase --autostash
> Exit code: 1
> Syncing local Git ports tree failed
> Synchronizing local ports tree from 
> rsync://rsync.macports.org/macports/release/tarballs/ports.tar
> 
> Willkommen auf dem RSYNC-server auf ftp.fau.de <http://ftp.fau.de>.
> Nicht all unsere Mirror sind per rsync verfuegbar.
> 
> Welcome to the RSYNC daemon on ftp.fau.de <http://ftp.fau.de>.
> Not all of our mirrors are available through rsync.
> 
> 
> receiving file list ... done
> ./
> 
> sent 68 bytes  received 99 bytes  334.00 bytes/sec
> total size is 70808576  speedup is 424003.45
> Creating port index in 
> /opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports 
> <http://rsync.macports.org/macports/release/tarballs/ports>
> 
> Total number of ports parsed:0
> Ports successfully parsed:0
> Ports failed:0
> Up-to-date ports skipped:22892
> 
> port sync failed: Synchronization of 1 source failed
>