guix package: Rename "generation" options

[Hartmut Goebel]

Hi,

i often stumble about generation related short-options being mixed lower
and upper-case:

  -l, --list-generations[=PATTERN]
  -d, --delete-generations[=PATTERN]
  -S, --switch-generation=PATTERN

I would prefer to have them consistent, so they are easier to remember.

Since interface design suggests more common options to be more easier to
type, which (means lower-case), I propose changing -l and -d to uppercase:

  -L, --list-generations[=PATTERN]
  -D, --delete-generations[=PATTERN]
  -S, --switch-generation=PATTERN

But this conflicts with

  -L, --load-path=DIR    prepend DIR to the package module search path

and with guix gc:

  -d, --delete-generations[=PATTERN]
  -D, --delete           attempt to delete PATHS

Any ideas?

-- 
Regards
Hartmut Goebel

| Hartmut Goebel          | address@hidden               |
| www.crazy-compilers.com | compilers which you thought are impossible |

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