$ git clone -n https://src.fedoraproject.org/rpms/guestfs-browser.git /var/lib/mock/f31-build-86094-31650/root/thebuilddir/tmp/scmroot/guestfs-browser
Cloning into '/var/lib/mock/f31-build-86094-31650/root/thebuilddir/tmp/scmroot/guestfs-browser'...
$ git reset --hard 63f5db4b6618e8bdde43bb9bfb03c26f8cefa75c
HEAD is now at 63f5db4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild