110 lines
3.0 KiB
Ruby
110 lines
3.0 KiB
Ruby
|
# Copyright 2009 Max Howell <max@methylblue.com>
|
||
|
|
#
|
||
|
|
# This file is part of Homebrew.
|
||
|
|
#
|
||
|
|
# Homebrew is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# Homebrew is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU General Public License
|
||
|
|
# along with Homebrew. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
#
|
||
|
|
class AbstractDownloadStrategy
|
||
|
|
def initialize url, name, version
|
||
|
|
@url=url
|
||
|
|
@unique_token="#{name}-#{version}"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
class HttpDownloadStrategy <AbstractDownloadStrategy
|
||
|
|
def fetch
|
||
|
|
ohai "Downloading #{@url}"
|
||
|
|
@dl=HOMEBREW_CACHE+(@unique_token+ext)
|
||
|
|
unless @dl.exist?
|
||
|
|
curl @url, '-o', @dl
|
||
|
|
else
|
||
|
|
puts "File already downloaded and cached"
|
||
|
|
end
|
||
|
|
return @dl # thus performs checksum verification
|
||
|
|
end
|
||
|
|
def stage
|
||
|
|
case `file -b #{@dl}`
|
||
|
|
when /^Zip archive data/
|
||
|
|
safe_system 'unzip', '-qq', @dl
|
||
|
|
chdir
|
||
|
|
when /^(gzip|bzip2) compressed data/
|
||
|
|
# TODO do file -z now to see if it is in fact a tar
|
||
|
|
safe_system 'tar', 'xf', @dl
|
||
|
|
chdir
|
||
|
|
else
|
||
|
|
# we are assuming it is not an archive, use original filename
|
||
|
|
# this behaviour is due to ScriptFileFormula expectations
|
||
|
|
@dl.mv File.basename(@url)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
private
|
||
|
|
def chdir
|
||
|
|
entries=Dir['*']
|
||
|
|
case entries.length
|
||
|
|
when 0 then raise "Empty archive"
|
||
|
|
when 1 then Dir.chdir entries.first rescue nil
|
||
|
|
end
|
||
|
|
end
|
||
|
|
def ext
|
||
|
|
# GitHub uses odd URLs for zip files, so check for those
|
||
|
|
rx=%r[http://(www\.)?github\.com/.*/(zip|tar)ball/]
|
||
|
|
if rx.match @url
|
||
|
|
if $2 == 'zip'
|
||
|
|
'.zip'
|
||
|
|
else
|
||
|
|
'.tgz'
|
||
|
|
end
|
||
|
|
else
|
||
|
|
Pathname.new(@url).extname
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
class SubversionDownloadStrategy <AbstractDownloadStrategy
|
||
|
|
def fetch
|
||
|
|
ohai "Checking out #{@url}"
|
||
|
|
@co=HOMEBREW_CACHE+@unique_token
|
||
|
|
unless @co.exist?
|
||
|
|
safe_system 'svn', 'checkout', @url, @co
|
||
|
|
else
|
||
|
|
# TODO svn up?
|
||
|
|
puts "Repository already checked out"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
def stage
|
||
|
|
# Force the export, since the target directory will already exist
|
||
|
|
safe_system 'svn', 'export', '--force', @co, Dir.pwd
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
class GitDownloadStrategy <AbstractDownloadStrategy
|
||
|
|
def fetch
|
||
|
|
ohai "Cloning #{@url}"
|
||
|
|
@clone=HOMEBREW_CACHE+@unique_token
|
||
|
|
unless @clone.exist?
|
||
|
|
safe_system 'git', 'clone', @url, @clone
|
||
|
|
else
|
||
|
|
# TODO git pull?
|
||
|
|
puts "Repository already cloned"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
def stage
|
||
|
|
dst=Dir.getwd
|
||
|
|
Dir.chdir @clone do
|
||
|
|
# http://stackoverflow.com/questions/160608/how-to-do-a-git-export-like-svn-export
|
||
|
|
safe_system 'git', 'checkout-index', '-af', "--prefix=#{dst}"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|