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#!/bin/sh
dname=`dirname $0`
if [ ! -d $dname/../.git ]; then
echo "not updating .git_version (no $dname/../.git)"
exit 0
fi
cur=`cd $dname && git rev-parse HEAD 2>/dev/null; git describe 2>/dev/null`
[ -e $1 ] && old=`cat $1`
if [ "$cur" != "$old" ]; then
echo regenerating $1 with $cur
echo "$cur" > $1
else
echo $1 is up to date.
fi
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