Error handling when package does not exists
==> Removing python2-pexpect from [community]...
==> ERROR: Package matching 'python2-pexpect' not found.
==> ERROR: repo-remove '/srv/ftp/community/os/x86_64/community.db.tar.gz' 'python2-pexpect'
chgrp: changing group of '/srv/ftp/community/os/x86_64/community.db.tar.gz': Operation not permitted
==> ERROR: Could not change group of /srv/ftp/community/os/x86_64/community.db.tar.gz to tu
chgrp: changing group of '/srv/ftp/community/os/x86_64/community.files.tar.gz': Operation not permitted
==> ERROR: Could not change group of /srv/ftp/community/os/x86_64/community.files.tar.gz to tu
chmod: changing permissions of '/srv/ftp/community/os/x86_64/community.db.tar.gz': Operation not permitted
==> ERROR: Could not set write permission for group tu to /srv/ftp/community/os/x86_64/community.db.tar.gz
chmod: changing permissions of '/srv/ftp/community/os/x86_64/community.files.tar.gz': Operation not permitted
==> ERROR: Could not set write permission for group tu to /srv/ftp/community/os/x86_64/community.files.tar.gz