blob: 3efb956bb783ea3afaad8dcc7a36fab5ed71cb8b [file] [log] [blame]
#!/bin/bash
##
## Copyright (c) 2010 The WebM project authors. All Rights Reserved.
##
## Use of this source code is governed by a BSD-style license
## that can be found in the LICENSE file in the root of the source
## tree. An additional intellectual property rights grant can be found
## in the file PATENTS. All contributing project authors may
## be found in the AUTHORS file in the root of the source tree.
##
for opt in "$@"; do
optval="${opt#*=}"
case "$opt" in
--bare) bare=true ;;
*) break ;;
esac
shift
done
source_path=${1:-.}
out_file=${2}
id=${3:-VERSION_STRING}
git_version_id=""
if [ -d ${source_path}/.git ]; then
# Source Path is a git working copy. Check for local modifications.
export GIT_DIR=${source_path}/.git
git_version_id=`git describe --match=v[0-9]* 2>/dev/null`
fi
changelog_version=""
for p in "${source_path}" "${source_path}/.."; do
if [ -z "$git_version_id" -a -f "${p}/CHANGELOG" ]; then
changelog_version=`head -n1 "${p}/CHANGELOG" | awk '{print $2}'`
changelog_version="${changelog_version}"
break
fi
done
version_str="${changelog_version}${git_version_id}"
bare_version=${version_str#v}
major_version=${bare_version%%.*}
bare_version=${bare_version#*.}
minor_version=${bare_version%%.*}
bare_version=${bare_version#*.}
patch_version=${bare_version%%-*}
bare_version=${bare_version#${patch_version}}
extra_version=${bare_version##-}
#since they'll be used as integers below make sure they are or force to 0
for v in major_version minor_version patch_version; do
if eval echo \$$v |grep -E -q '[^[:digit:]]'; then
eval $v=0
fi
done
if [ ${bare} ]; then
echo "${changelog_version}${git_version_id}" > $$.tmp
else
cat<<EOF>$$.tmp
#define VERSION_MAJOR $major_version
#define VERSION_MINOR $minor_version
#define VERSION_PATCH $patch_version
#define VERSION_EXTRA "$extra_version"
#define VERSION_PACKED ((VERSION_MAJOR<<16)|(VERSION_MINOR<<8)|(VERSION_PATCH))
#define ${id}_NOSP "${version_str}"
#define ${id} " ${version_str}"
EOF
fi
if [ -n "$out_file" ]; then
diff $$.tmp ${out_file} >/dev/null 2>&1 || cat $$.tmp > ${out_file}
else
cat $$.tmp
fi
rm $$.tmp