$ sudo port -v install subversion +bash_completion
--->  Staging bash-completion into destroot
. missing (directory not created: File exists)
./Applications missing (directory not created: File exists)
./Developer missing (directory not created: File exists)
./Library missing (directory not created: File exists)
xinstall: /opt/local/var/db/dports/build/_opt_local_var_db_dports_sources_rsync.rsync.darwinports.org_dpupdate_dports_sysutils_bash-completion/work/bash_completion/bash_completion -> /opt/local/var/db/dports/build/_opt_local_var_db_dports_sources_rsync.rs
Error: Target com.apple.destroot returned: xinstall: Cannot stat: files/port.cmd, No such file or directory
Warning: the following items did not execute (for bash-completion): com.apple.activate com.apple.destroot com.apple.install
Error: The following dependencies failed to build: bash-completion gettext neon openssl zlib
Error: Status 1 encountered during processing.