2018-05-17 9:32 GMT+02:00 Tb Thomas <tbfh1...@gmail.com>:
>
> Then: cpanm Galileo
>
> Got a warning that I needed to be root (no "Continue?" prompt), it just
> continued on for about 20 minutes installing a bunch of dependencies and
> running tests on them. I figured better to let it finish than abort, then
> uninstall and start over...
>
The warning was probably a bit more verbose, and it's why you didn't see
any "Continue?" prompt. cpanm falls back on installing modules in
"$HOME/perl5" if it can't install them in the "official positions".
> But, no such luck. Apparently 'uninstalling' isn't considered a priority
> (albeit, cpan does keep a list, but not cpanm).
>
I honestly wonder who uses "uninstall" nowadays. The approach by many
people is to install stuff in a localized library and avoid cluttering the
"shared" space (where e.g. upgrading a module might break something in
another program). Some people (me included sometimes) arrive to compile a
separate perl completely.
cpanm makes it extremely easy to install stuff in a local library with the
"-l" option; Carton is another idea to do that (it uses cpanm behind the
scenes).
Anyway, in your specific case you should probably just be fine deleting
"$HOME/perl5", which was created by cpanm as a result of you *not* being
root during installation.
> Before we can safely install 'big Perl applications' (with numerous
> dependencies and version-specific features) perhaps we need an installation
> system capable of cleanly installing and/or uninstalling those big apps.
> (Consider that a suggestion for a future 'Mojolicious' project !;)
>
As I was saying, I guess many people don't bother uninstalling nowadays,
but install stuff in localized directories or in custom perls. This makes
uninstalling a breeze (just delete the whole installation directory and
you're done). I see this as part of the mind shift from pets to cattle.
For Mojolicious projects I always install it in a local directory, usually
creating a cpanfile and then letting Carton do its job.
Ciao,
Flavio.
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