Semi-automatic update. These checks were done:
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This reverts commit bd0d64730a.
Setting GTAGSCONF is not an adequate solution as it prevents the use of
it and the way it was done also breaks gtags when it is called by
global.
Fixes NixOS/nixpkgs#26971
GNU global's gtags and global tools were unable to find the default
gtags.conf, necessary to use gtagslabels. The error could be seen
when gtags was invoked with -v:
$ gtags -v --gtagslabel=pygments
[Sun Mar 19 14:13:17 UTC 2017] Gtags started.
Using default configuration.
GTAGSLABEL(--gtagslabel) ignored since configuration file not found.
Using 'gtags.files' as a file list.
[Sun Mar 19 14:13:17 UTC 2017] Creating 'GTAGS' and 'GRTAGS'.
[Sun Mar 19 14:13:17 UTC 2017] Done.
The wrapper now points to the default gtags.conf using the
GTAGSCONF environment variable.
(My OCD kicked in today...)
Remove repeated package names, capitalize first word, remove trailing
periods and move overlong descriptions to longDescription.
I also simplified some descriptions as well, when they were particularly
long or technical, often based on Arch Linux' package descriptions.
I've tried to stay away from generated expressions (and I think I
succeeded).
Some specifics worth mentioning:
* cron, has "Vixie Cron" in its description. The "Vixie" part is not
mentioned anywhere else. I kept it in a parenthesis at the end of the
description.
* ctags description started with "Exuberant Ctags ...", and the
"exuberant" part is not mentioned elsewhere. Kept it in a parenthesis
at the end of description.
* nix has the description "The Nix Deployment System". Since that
doesn't really say much what it is/does (especially after removing
the package name!), I changed that to "Powerful package manager that
makes package management reliable and reproducible" (borrowed from
nixos.org).
* Tons of "GNU Foo, Foo is a [the important bits]" descriptions
is changed to just [the important bits]. If the package name doesn't
contain GNU I don't think it's needed to say it in the description
either.
