Class: PuppetLibrary::Util::Git

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/puppet_library/util/git.rb

Defined Under Namespace

Classes: GitCommandError

Constant Summary collapse

DEFAULT_CACHE_TTL_SECONDS = 
60

Instance Method Summary collapse

Methods included from Logging

#debug, #info, #logger, #logs, #warn

Constructor Details

#initialize(source, cache_dir, cache_ttl_seconds = DEFAULT_CACHE_TTL_SECONDS) ⇒ Git

Returns a new instance of Git.



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# File 'lib/puppet_library/util/git.rb', line 29

def initialize(source, cache_dir, cache_ttl_seconds = DEFAULT_CACHE_TTL_SECONDS)
    @source = source
    @cache_dir = cache_dir
    @cache_ttl_seconds = cache_ttl_seconds
    @git_dir = File.join(@cache_dir.path, ".git")
    @mutex = Monitor.new
end

Instance Method Details

#clear_cache! ⇒ Object 



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# File 'lib/puppet_library/util/git.rb', line 62

def clear_cache!
    @mutex.synchronize do
        info "Clearing cache for Git repository #{@source} from #{@git_dir}"
        FileUtils.rm_rf @cache_dir.path
    end
end

#file_exists?(path, tag) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/puppet_library/util/git.rb', line 55

def file_exists?(path, tag)
    read_file(path, tag)
    true
rescue GitCommandError
    false
end

#read_file(path, tag) ⇒ Object 



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# File 'lib/puppet_library/util/git.rb', line 50

def read_file(path, tag)
    update_cache!
    git "show refs/tags/#{tag}:#{path}"
end

#tags ⇒ Object 



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# File 'lib/puppet_library/util/git.rb', line 37

def tags
    update_cache!
    git("tag").split
end

#update_cache! ⇒ Object 



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# File 'lib/puppet_library/util/git.rb', line 69

def update_cache!
    create_cache unless cache_exists?
    update_cache if cache_stale?
end

#with_tag(tag) ⇒ Object 



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# File 'lib/puppet_library/util/git.rb', line 42

def with_tag(tag)
    update_cache!
    PuppetLibrary::Util::TempDir.use "git" do |path|
        git "checkout -f #{tag} .", path
        yield(path)
    end
end