source: vendor/gcc/3.2.2/maintainer-scripts/update_version

#!/bin/sh 

# Run this from /tmp.
CVSROOT=/cvs/gcc
export CVSROOT
/bin/rm -rf /tmp/$$
/bin/mkdir /tmp/$$
cd /tmp/$$

# ARGS is passed to 'cvs co'
ARGS="$*"
CURR_DATE=`/bin/date +"%Y%m%d"`

# version is contained within a char*
textstring_FILES="gcc/gcc/version.c gcc/gcc/f/version.c gcc/libf2c/libF77/Version.c gcc/libf2c/libI77/Version.c gcc/libf2c/libU77/Version.c"

# version is contained within a #define
cppdefine_FILES="gcc/libstdc++-v3/include/bits/c++config"

/usr/local/bin/cvs co $ARGS $textstring_FILES $cppdefine_FILES

for file in $textstring_FILES; do
  OLD_VERSION=`/bin/cat $file`
  /bin/sed -e "s/\(.*\"[^ ]*\) [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/\1 ${CURR_DATE}/" >${file} <<HERE
$OLD_VERSION
HERE
done

for file in $cppdefine_FILES; do
  OLD_VERSION=`/bin/cat $file`
  /bin/sed -e "s/\(#.*\) [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/\1 ${CURR_DATE}/" >${file} <<HERE
$OLD_VERSION
HERE
done

/usr/local/bin/cvs commit -m "Daily bump." $textstring_FILES $cppdefine_FILES
commit_results=$?

/bin/rm -rf /tmp/$$
exit $commit_results