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#: * `uninstall`, `rm`, `remove` [`--force`] [`--ignore-dependencies`] <formula>:
#: Uninstall <formula>.
#:
#: If `--force` (or `-f`) is passed, and there are multiple versions of <formula>
#: installed, delete all installed versions.
#:
#: If `--ignore-dependencies` is passed, uninstalling won't fail, even if
#: formulae depending on <formula> would still be installed.
require "keg"
require "formula"
require "diagnostic"
require "migrator"
module Homebrew
module_function
def uninstall
raise KegUnspecifiedError if ARGV.named.empty?
kegs_by_rack = if ARGV.force?
Hash[ARGV.named.map do |name|
rack = Formulary.to_rack(name)
next unless rack.directory?
[rack, rack.subdirs.map { |d| Keg.new(d) }]
end]
else
ARGV.kegs.group_by(&:rack)
end
handle_unsatisfied_dependents(kegs_by_rack)
return if Homebrew.failed?
kegs_by_rack.each do |rack, kegs|
if ARGV.force?
name = rack.basename
if rack.directory?
puts "Uninstalling #{name}... (#{rack.abv})"
kegs.each do |keg|
keg.unlink
keg.uninstall
end
end
rm_pin rack
else
kegs.each do |keg|
begin
f = Formulary.from_rack(rack)
if f.pinned?
onoe "#{f.full_name} is pinned. You must unpin it to uninstall."
next
end
rescue
nil
end
keg.lock do
puts "Uninstalling #{keg}... (#{keg.abv})"
keg.unlink
keg.uninstall
rack = keg.rack
rm_pin rack
if rack.directory?
versions = rack.subdirs.map(&:basename)
verb = Formatter.pluralize(versions.length, "is", "are")
puts "#{keg.name} #{versions.join(", ")} #{verb} still installed."
puts "Remove all versions with `brew uninstall --force #{keg.name}`."
end
end
end
end
end
rescue MultipleVersionsInstalledError => e
ofail e
puts "Use `brew uninstall --force #{e.name}` to remove all versions."
ensure
# If we delete Cellar/newname, then Cellar/oldname symlink
# can become broken and we have to remove it.
if HOMEBREW_CELLAR.directory?
HOMEBREW_CELLAR.children.each do |rack|
rack.unlink if rack.symlink? && !rack.resolved_path_exists?
end
end
end
def handle_unsatisfied_dependents(kegs_by_rack)
return if ARGV.include?("--ignore-dependencies")
all_kegs = kegs_by_rack.values.flatten(1)
check_for_dependents all_kegs
rescue MethodDeprecatedError
# Silently ignore deprecations when uninstalling.
nil
end
def check_for_dependents(kegs)
return false unless result = Keg.find_some_installed_dependents(kegs)
if ARGV.homebrew_developer?
DeveloperDependentsMessage.new(*result).output
else
NondeveloperDependentsMessage.new(*result).output
end
true
end
class DependentsMessage
attr_reader :reqs, :deps
def initialize(requireds, dependents)
@reqs = requireds
@deps = dependents
end
protected
def are(items)
Formatter.pluralize(items.count, "is", "are", show_count: false)
end
def they(items)
Formatter.pluralize(items.count, "it", "they", show_count: false)
end
def list(items)
items.join(", ")
end
def sample_command
"brew uninstall --ignore-dependencies #{ARGV.named.join(" ")}"
end
def are_required_by_deps
"#{are reqs} required by #{list deps}, which #{are deps} currently installed"
end
end
class DeveloperDependentsMessage < DependentsMessage
def output
opoo <<~EOS
#{list reqs} #{are_required_by_deps}.
You can silence this warning with:
#{sample_command}
EOS
end
end
class NondeveloperDependentsMessage < DependentsMessage
def output
ofail <<~EOS
Refusing to uninstall #{list reqs}
because #{they reqs} #{are_required_by_deps}.
You can override this and force removal with:
#{sample_command}
EOS
end
end
def rm_pin(rack)
Formulary.from_rack(rack).unpin
rescue
nil
end
end
|
