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version.sh: Ticket 411 (make loops, rerunning configure ad infinitum)

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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>
This commit is contained in:
Slava Zanko 2009-06-19 17:25:18 +03:00 committed by Sergei Trofimovich
parent 4a58bd3a14
commit d9a72ea8c9
1 changed files with 35 additions and 32 deletions
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67
maint/version.sh
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@ -1,44 +1,47 @@
#!/bin/sh
git --version >/dev/null || exit
if [ -z "$1" ]
then
echo "usage: $0 <toplevel-source-dir>"
exit 1
fi
curr_dir=$(pwd)
src_top_dir="$1"
src_top_dir=
[ -d ${curr_dir}/.git ] && {
src_top_dir=${curr_dir}
} || {
curr_dir=$(dirname ${curr_dir})
[ -d ${curr_dir}/.git ] && {
src_top_dir=${curr_dir}
} || {
[ -z "$1" ] && exit
src_top_dir=$1
}
}
[ -z "${src_top_dir}" ] && exit
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
VERSION_FILE=${src_top_dir}/version.h
mc_print_version(){
git_head=$(git --git-dir "${src_top_dir}/.git" rev-parse --verify HEAD 2>/dev/null)
[ -z "${git_head}" ] && exit
new_version="$(git --git-dir "${src_top_dir}/.git" describe 2>/dev/null)"
[ -z "${new_version}" ] && exit
saved_version=
[ -r ${VERSION_FILE} ] && {
saved_version=$(sed -rn 's/^#define MC_CURRENT_VERSION "(.*)"$/\1/p' ${VERSION_FILE})
}
[ -z "${saved_version}" -o "${saved_version}" != "${new_version}" ] && {
cat >${VERSION_FILE} <<EOF
if [ ! -f "${VERSION_FILE}" \
-o "${PREV_MC_VERSION}" != "${CURR_MC_VERSION}" ]
then
cat >"${VERSION_FILE}" <<EOF
#ifndef MC_CURRENT_VERSION
/* This is an autogenerated file. Don't edit! */
#define MC_CURRENT_VERSION "${new_version}"
#define MC_CURRENT_VERSION "${CURR_MC_VERSION}"
#endif
EOF
fi
exit
}
exit 0
git_head=$(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