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Added FossilDownloadStrategy (Fossil SCM support)

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This will enable downloading source repository using fossil SCM.
For example, formulae `fossil` and `mongrel2` can have HEAD version.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
This commit is contained in:
Tianyi Cui 2010-09-29 20:22:34 +08:00 committed by Adam Vandenberg
parent 25f6bffa30
commit 915b018e15
1 changed files with 34 additions and 0 deletions
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34
Library/Homebrew/download_strategy.rb
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@ -439,6 +439,39 @@ class BazaarDownloadStrategy <AbstractDownloadStrategy
end
end
class FossilDownloadStrategy < AbstractDownloadStrategy
def initialize url, name, version, specs
super
@unique_token="#{name}--fossil" unless name.to_s.empty? or name == '__UNKNOWN__'
@clone=HOMEBREW_CACHE+@unique_token
end
def cached_location; @clone; end
def fetch
raise "You must install fossil first" \
unless system "/usr/bin/which fossil"
ohai "Cloning #{@url}"
unless @clone.exist?
url=@url.sub(%r[^fossil://], '')
safe_system 'fossil', 'clone', url, @clone
else
puts "Updating #{@clone}"
safe_system 'fossil', 'pull', '-R', @clone
end
end
def stage
# TODO: The 'open' and 'checkout' commands are very noisy and have no '-q' option.
safe_system 'fossil', 'open', @clone
if @spec and @ref
ohai "Checking out #{@spec} #{@ref}"
safe_system 'fossil', 'checkout', @ref
end
end
end
def detect_download_strategy url
case url
# We use a special URL pattern for cvs
@ -449,6 +482,7 @@ def detect_download_strategy url
when %r[^hg://] then MercurialDownloadStrategy
when %r[^svn://] then SubversionDownloadStrategy
when %r[^svn+http://] then SubversionDownloadStrategy
when %r[^fossil://] then FossilDownloadStrategy
# Some well-known source hosts
when %r[^http://github\.com/.+\.git$] then GitDownloadStrategy
when %r[^https?://(.+?\.)?googlecode\.com/hg] then MercurialDownloadStrategy