`md5`, `sha1`, `sha256` all take a hexdigest string, e.g:
sha1 'f645e9da45a621415a07a7492c45923b1a1fd4d4'
`no_checksum` takes no argument, and indicates there is no checksum
for this cask. This is *not recommended*, and should only be used for
casks that have no versioned downloads.
`brew cask install` will complain if there is no sum provided (unless
`no_checksum` has been invoked), or if the sums do not match. It will
provide the computed checksum so the cask can be easily amended.
Adapted from @passcod's work in 82cc199ae6bbb1e98950e71a0573ab48e6a641ee
homebrew does internal caching in ARGV that prevents us from doing the
`ARGV.clear; ARGV << 'newarg'` trick twice.
rather than try to further reach in to homebrew's innards, i figure it's
better to just pass multiple arguments down to homebrew code at once,
since it already supports that
refs #47
this delegates to homebrew's uninstall to get its work done. vanilla
`brew uninstall` actually works, but this gives us a more consistent
interface.
as discussed in #47
Most notably, Cask.all returns an array of strings,
not of Cask instances. This makes things easier, as
well as faster, as there's no need to run map(&:to_s)
everywhere anymore.
self.path is a utility method which returns the path
of the cask from its title. There's something subtle
going in there:
- If `cask_title` is fully qualified, e.g.
"phinze-cask/alfred", it's straightforward.
- If `cask_title` is only the name, e.g.
"firefox-aurora", the name is matched from
the full list (self.all) (which isn't sorted)
and the first result is returned.
Hence, self.path with only the name is not precise.
There might be the possibility to apply heuristics
to do a better match (prefer phinze-cask, or maybe
installed casks?) but that's for another issue :-)
self.nice_listing is another utility method used
in `search` and `list`. It returns a list where
unique casks don't have a prefix, and duplicates
do. The prefix is the tap name. The list is then
sorted. For an example or two, look at the first
comment on phinze/#12.
Instead of only listing `Taps/phinze-cask/Casks`, now list
every taps that has a `Casks` directory. Might conflict with
a few commands for the moment, works OK with `brew cask search`.
