alternative to "youtube-dl" (tool shoud be included in MacPorts tree)

[Fyodor Vassiley]

Very big thank you to Ryan Schmidt ryandesign at macports.org. He added
youtube-dl to the ports tree.

https://trac.macports.org/changeset/81440
https://trac.macports.org/ticket/30469

But why I am unable to install?

# port -d sync
DEBUG: Synchronizing ports tree(s)
Synchronizing local ports tree from
rsync://rsync.macports.org/release/tarballs/ports.tar
DEBUG: /usr/bin/rsync -rtzv --delete-after
rsync://rsync.macports.org/release/tarballs/ports.tar
/opt/local/var/macports/sources/rsync.macports.org/release/tarballs
receiving file list ... done

sent 36 bytes  received 70 bytes  42.40 bytes/sec
total size is 44872704  speedup is 423327.40
DEBUG: /usr/bin/rsync -rtzv --delete-after
rsync://rsync.macports.org/release/tarballs/ports.tar.rmd160
/opt/local/var/macports/sources/rsync.macports.org/release/tarballs
receiving file list ... done

sent 36 bytes  received 77 bytes  45.20 bytes/sec
total size is 512  speedup is 4.53
DEBUG: successful verification with key
/opt/local/share/macports/macports-pubkey.pem
DEBUG: /usr/bin/tar -C
/opt/local/var/macports/sources/rsync.macports.org/release/tarballs/tmp
-xf /opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports.tar
Creating port index in
/opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports

Total number of ports parsed:	0
Ports successfully parsed:	0
Ports failed:			0
Up-to-date ports skipped:	8231

# port search youtube-dl
No match for youtube-dl found

# port install youtube-dl
Error: Port youtube-dl not found
To report a bug, see <http://guide.macports.org/#project.tickets>