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#!/usr/bin/env bash
#
# Copyright 2014 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Generate version information
if ghash=$(git rev-parse --short=12 --verify HEAD 2>/dev/null); then
if gdesc=$(git describe --dirty --match='v*' 2>/dev/null); then
IFS="-" fields=($gdesc)
tag="${fields[0]}"
IFS="." vernum=($tag)
numcommits=$((${vernum[2]}+${fields[1]:-0}))
ver_major="${vernum[0]}"
ver_branch="${vernum[1]}"
else
numcommits=$(git rev-list HEAD | wc -l)
ver_major="v0"
ver_branch="0"
fi
# avoid putting the -dirty attribute if only the timestamp
# changed
dirty=$(sh -c "[ '$(git diff-index --name-only HEAD)' ] \
&& echo '-dirty'")
ver="${ver_major}.${ver_branch}.${numcommits}-${ghash}${dirty}"
else
ver="unknown"
fi
echo "const char futility_version[] = \"${ver}\";";
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