mc/maint/version.sh
Slava Zanko d9a72ea8c9 version.sh: Ticket 411 (make loops, rerunning configure ad infinitum)
version.h is dumped even when git is unavailable or broken
buildbot dislikes to fetch tags (git fetch --tags) => version.sh failure.
version.sh refused to create version.h when git is unavailable.

All those cases are hopefully fixed.

Signed-off-by: Sergei Trofimovich <slyfox@inbox.ru>
Signed-off-by: Slava Zanko <slavazanko@gmail.com>
2009-06-20 14:45:09 +03:00

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#!/bin/sh
if [ -z "$1" ]
then
echo "usage: $0 <toplevel-source-dir>"
exit 1
fi
src_top_dir="$1"
VERSION_FILE="${src_top_dir}/version.h"
PREV_MC_VERSION="unknown"
CURR_MC_VERSION="${PREV_MC_VERSION}"
if [ -r ${VERSION_FILE} ]
then
PREV_MC_VERSION=`sed -rn 's/^#define MC_CURRENT_VERSION "(.*)"$/\1/p' "${VERSION_FILE}"`
CURR_MC_VERSION="${PREV_MC_VERSION}"
fi
mc_print_version(){
if [ ! -f "${VERSION_FILE}" \
-o "${PREV_MC_VERSION}" != "${CURR_MC_VERSION}" ]
then
cat >"${VERSION_FILE}" <<EOF
#ifndef MC_CURRENT_VERSION
/* This is an autogenerated file. Don't edit! */
#define MC_CURRENT_VERSION "${CURR_MC_VERSION}"
#endif
EOF
fi
exit
}
git_head=$(git --git-dir "${src_top_dir}/.git" rev-parse --verify HEAD 2>/dev/null)
[ -z "${git_head}" ] && mc_print_version
# try to store sha1
CURR_MC_VERSION="${git_head}"
new_version="$(git --git-dir "${src_top_dir}/.git" describe 2>/dev/null)"
[ -z "${new_version}" ] && mc_print_version
# store pretty tagged version
CURR_MC_VERSION="${new_version}"
mc_print_version