25 lines
489 B
Ruby
Executable File
25 lines
489 B
Ruby
Executable File
#!ruby -an
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BEGIN {
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require 'fileutils'
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dir = ARGV.shift
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ARGF.eof?
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FileUtils.mkdir_p(dir)
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Dir.chdir(dir)
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}
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n, v, u = $F
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if File.directory?(n)
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puts "updating #{n} ..."
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system("git", (v == "master" ? "pull" : "fetch"), chdir: n) or abort
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else
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puts "retrieving #{n} ..."
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system(*%W"git clone #{u} #{n}") or abort
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end
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unless system(*%W"git checkout #{v.sub(/\A(?=\d)/, 'v')}", chdir: n)
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unless /\A\d/ =~ v and system(*%W"git checkout #{v}", chdir: n)
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abort
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end
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end
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