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module Jekyll
class RenderGitVerTag < Liquid::Tag
def initialize(tag_name, text, tokens)
super
end
def render(context)
begin
version = `git rev-parse HEAD 2>/dev/null`.strip
version.empty? ? "Unknown" : version
rescue Errno::ENOENT
"Unknown"
end
end
end
end
Liquid::Template.register_tag('git_rev', Jekyll::RenderGitVerTag)
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