Max Howell bb8d92c3cf Check tapped before trying to untap
If the tap-formula wasn't symlinked for some reason, don't throw an exception—the job is already done.
2012-03-23 00:16:08 +00:00

46 lines
1.3 KiB
Ruby

require 'cmd/tap' # for tap_args
module Homebrew extend self
def untap
user, repo = tap_args
# we consistently downcase in tap to ensure we are not bitten by case-insensive
# filesystem issues. Which is the default on mac. The problem being the
# filesystem cares, but our regexps don't. So unless we resolve *every* path
# we will get bitten.
user.downcase!
repo.downcase!
tapd = HOMEBREW_LIBRARY/"Taps/#{user}-#{repo}"
raise "No such tap!" unless tapd.directory?
files = []
tapd.find_formula{ |file| files << Pathname.new("#{user}-#{repo}").join(file) }
untapped = unlink_tap_formula(files)
rm_rf tapd
puts "Untapped #{untapped} formula"
end
def unlink_tap_formula formulae
untapped = 0
gitignores = (HOMEBREW_LIBRARY/"Formula/.gitignore").read.split rescue []
formulae.each do |formula|
tapd = (HOMEBREW_LIBRARY/"Taps/#{formula}").dirname
bn = formula.basename.to_s
pn = HOMEBREW_LIBRARY/"Formula/#{bn}"
if pn.symlink? and (!pn.exist? or pn.realpath.to_s =~ %r[^#{tapd}])
pn.delete
gitignores.delete(bn)
untapped += 1
end
end
HOMEBREW_REPOSITORY.join("Library/Formula/.gitignore").atomic_write(gitignores * "\n")
untapped
end
end