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							#!/bin/sh | 
						
						
						
						
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							set -ex | 
						
						
						
						
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							( | 
						
						
						
						
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							  cd ../.. | 
						
						
						
						
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							  # Back up | 
						
						
						
						
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							  mkdir -p bak | 
						
						
						
						
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							  for SRC in v* src alias; do | 
						
						
						
						
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							    [ -e "$SRC" ] && mv "$SRC" bak | 
						
						
						
						
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							  done | 
						
						
						
						
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							  if [ -d versions ]; then | 
						
						
						
						
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							    mv versions bak | 
						
						
						
						
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							  fi | 
						
						
						
						
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							  true | 
						
						
						
						
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							)
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