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I was trying the new xubuntu 20.04 beta today, and wanted to report a bug concerning the terminfo files (the terminfo for xterm-256color has an escape sequence that older vte/terminals don't recognize, so when ssh'ing in to 20.04 from 18.04, vi becomes unusable, see https://bugs.launchpad.net/ubuntu/+bug/1872896).

However, I can't find the package the terminfo files come from:

# ls -l /usr/lib/terminfo/x/xterm-256color
-rw-r--r-- 1 root root 3503 Feb 26 08:14 /usr/lib/terminfo/x/xterm-256color
# dpkg -S /usr/lib/terminfo/x/xterm-256color 
dpkg-query: no path found matching pattern /usr/lib/terminfo/x/xterm-256color
# apt-file search /usr/lib/terminfo/x/xterm-256color 
(no output at all)
#

apt list installed | grep terminfo doesn't list anything either.

I assumed the files get generated from some source during install, but that doesn't match the date (Feb 26 is way older than my install), and the file itself isn't a link to some other file, checking the link count.

So, which package is actually responsible for terminfo files, and how do I find out?

Guntram Blohm
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  • Thank you for helping to test Ubuntu focal fossa. I'll suggest #ubuntu-quality via IRC or telegram, or #ubuntu+1 (IRC which is also suitable for support requests on focal fossa. Sorry I don't know the package name so answer. – guiverc Apr 15 '20 at 10:57
  • Refer https://askubuntu.com/help/on-topic where you'll notice only supported releases of Ubuntu and flavors are on-topic for this site. For focal fossa [20.04] questions you'll need to use a development support site such as IRC (#ubuntu+1) or Ubuntu Forums, or wait until after release for this site (expected release date for Ubuntu 20.04 is 23rd April 2020 when your question will be on-topic here). I realize you're trying to help make Ubuntu better, for which I thank you, but consider UF, IRC or Telegram with development channels – guiverc Apr 15 '20 at 11:05
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    FWIW ncurses-base provides /lib/terminfo/x/xterm-256color. Perhaps your dpkg -S search is coming up empty because the /usr/lib version is a symlink? See https://packages.ubuntu.com/focal/all/ncurses-base/filelist – steeldriver Apr 15 '20 at 11:15
  • Actually /lib is a symlink to /usr/lib - that's why realpath and namei -m didn't find any symlinks when checking the /usr/lib/ path. So yes, ncurses-base provides the file in /lib, and the symlink redirects it to /usr/lib. – Guntram Blohm Apr 15 '20 at 11:42
  • dpkg -S /usr/lib/terminfo/x/xterm-256color will show which package provides the file. – waltinator Apr 15 '20 at 13:21

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