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termcap entry reordering requires ex (which is available via usr.bin/vi), which breaks on build hosts where installworld is run with MK_VI == no (or when make delete-old is run on ^/projects/building-blocks as vi, et al, are removed on the branch when the knob is tweaked to => "no") Reordering termcap was believed to improve performance, but the file is now accessed via /etc/termcap.db, so /etc/termcap (and /usr/share/misc/termcap by proxy) access is less preferred. Reordering the file broke the historical comment <-> entry mapping as well, which could muddle the purpose of entries in the file, so it could be potentially harmful to readers in its reordered state. Discussion took place on hackers@ here: https://lists.freebsd.org/pipermail/freebsd-hackers/2014-December/046657.html Discussed with: -hackers, mp MFC after: 1 month Sponsored by: EMC / Isilon Storage Division
58 lines
2.5 KiB
Plaintext
58 lines
2.5 KiB
Plaintext
# @(#)README 8.1 (Berkeley) 6/8/93
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#
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# $FreeBSD$
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<< 12 May 1983 >>
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To install this directory on your system:
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First determine a list of "common terminals" for your system. This list
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will probably be small, and can be empty if you like, but you should
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probably put your own terminal in it.
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Second, edit the editor script "reorder" to use this list instead of the
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list built in to it. The changes will be evident from looking at the
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script. Notice that the script contains the terminals in order from least
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common to most common, since the move commands will move them to the front
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in that order, the effect will be to put the most common at the front of
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termcap since that's moved last. The s.* terminals are specials, and
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although they don't have to go to the front, they are probably quite
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common and really should go near the front.
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Third, if you are not a super user and cannot create the directory
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/usr/lib/tabset, make a corresponding directory somewhere you can and add
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a line to reorder to globally change all /usr/lib/tabset's to your own
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path name. This change is better than just changing the termcap file
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because it makes it easier to diff it from newer distributed versions.
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Try to keep the source as is whenever possible, and put mungings into
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reorder.
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Now you can run "make install" which will create an /etc/termcap. Again,
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if you aren't a super user change the cp command to put it where you can.
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In this case you will have to redefine E_TERMCAP in "local/uparm.h", which
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will probably be in subdirectories with the other UCB software.
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Finally, if you make additions or fixes to termcap, please mail a note
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explaining what you did with the fixed termcap entry (not the whole file,
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please!) to me at one of the addresses below, so it can be incorporated
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back into the original source. I will normally include anything unless
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there is a good reason not to, but I reserve the right to redo it differently.
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uunet!ucbvax!termcap (uucp)
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termcap@berkeley.cs.edu (Internet)
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<< 14 October 1987 >>
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It is probably easiest to make local termcap changes in separate
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files, eg /usr/local/etc/termcap, and encourage people to put
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setenv TERMPATH ~/.termcap:/usr/local/etc/termcap:/etc/termcap
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in their shell startup files. This way local system-wide changes can be
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isolated in /usr/local/etc/termcap and user changes in ~/.termcap, all
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without consuming lots of disk or requiring re-integration of local
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changes when system termcap files change.
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John Kunze
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termcap@berkeley.cs.edu
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