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#!/bin/sh
# -----------------------------------------------------------------------------
# Small shell script to determine the last commit version of the project
# It checks for CVS and .git repositories.
# The output is a string that can be used in a define at compile time to
# automatically mark repository versions.
# For CVS repositories the string contains the date and time of the commit
# that lead to the current version of files.
# For git repositories the output contains the git-id of the current tree.
# An indication if localy modified files exist is added.
# -----------------------------------------------------------------------------
[ $# -lt 1 ] && echo "USAGE: version-util <versionfile>" && exit 1
VERS_FILE=$1
function createVers ()
{
cat <<EOF
/* ATTENTION: this file is automatically generated and will be overwritten!
* Manual changes will get lost!
*/
#ifndef GEN_VERSION_SUFFIX_H
#define GEN_VERSION_SUFFIX_H
#define VERSION_SUFFIX "$1"
#endif
EOF
}
function cvsVers ()
{
d=`cvs log -r -N 2> /dev/null \
| grep '^date:' \
| cut -d ' ' -f 2-4 \
| sort -u \
| tail -1 \
| tr -d ' \-:'`
m=`cvs status 2> /dev/null \
| grep 'Status: Locally Modified' > /dev/null && echo "_MOD"`
echo "_cvs_${d}${m}"
}
function gitVers ()
{
b=`git branch \
| grep '^*' \
| sed -e's/^* //'`
h=`git show --pretty=format:"%h_%ci" HEAD \
| head -1 \
| tr -d ' \-:'`
echo "_git_${b}_${h}"
}
function checkVers ()
{
s=`$1`
if [ ! -e ${VERS_FILE} ]; then
echo "$VERS_FILE does not exist! creating a new one."
createVers $s > ${VERS_FILE}
else
v=`grep '^#define VERSION_SUFFIX' ${VERS_FILE} \
| awk '{print $3}'`
echo "s: $s"
echo "v: $v"
if [ "$v" != "\"$s\"" ]; then
echo "$VERS_FILE is being recreated!"
createVers $s > ${VERS_FILE}
fi
fi
}
if [ -d CVS ]; then
checkVers cvsVers
fi
if [ -d .git ]; then
checkVers gitVers
fi
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