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#!/usr/bin/env bash
#
# Usage: $(basename $0) [PROJECTROOT]
#
# Determine a revision or version string to use for the current source
# tree.
# First argument, if given, is the location of the project root. Set
# here any environment variables for VCs that care about the project
# root.
if test x"$1" != x; then
export GIT_DIR="$1/.git"
else
export GIT_DIR="$(dirname $0)/../.git"
fi
# It's actually this simple. We might want to keep the script around in
# case we want to re-introduce subversion compatibility.
#i needed to get rid of extra newline
git describe --tags || exit 1
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