#!/bin/sh
# Run this from /tmp.
-CVSROOT=/cvs/gcc
+CVSROOT=${CVSROOT:-/cvs/gcc}
export CVSROOT
/bin/rm -rf /tmp/$$
/bin/mkdir /tmp/$$
cd /tmp/$$
+# The path to cvs.
+CVS=${CVS:-/usr/local/bin/cvs}
+
+# Compute the branches which we should update.
+$CVS co gcc/ChangeLog
+BRANCHES=`$CVS status -v gcc/ChangeLog \
+ | awk '{print $1;}' \
+ | egrep 'gcc-[0-9]+_[0-9]+-branch$'`
+# Always update the mainline.
+BRANCHES="${BRANCHES} HEAD"
+
# ARGS is passed to 'cvs co'
-ARGS="$*"
CURR_DATE=`/bin/date +"%Y%m%d"`
# version is contained within a char*
# 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
+# Assume all will go well.
+RESULT=0
+
+for BRANCH in $BRANCHES; do
+ # Check out the files on the branch. HEAD is a special case; if
+ # you check out files with -r HEAD, CVS will not let you check
+ # in changes.
+ if test "$BRANCH" = HEAD; then
+ ${CVS} co $textstring_FILES $cppdefine_FILES
+ else
+ ${CVS} co -r $BRANCH $textstring_FILES $cppdefine_FILES
+ fi
-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
+ # There are no files to commit yet.
+ COMMIT_FILES=""
+
+ for file in $textstring_FILES; do
+ if test -f $file; then
+ 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
-$OLD_VERSION
+ COMMIT_FILES="$COMMIT_FILES $file"
+ fi
+ done
+
+ for file in $cppdefine_FILES; do
+ if test -f $file; then
+ 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 $cppdefine_FILES
-commit_results=$?
+ COMMIT_FILES="$COMMIT_FILES $file"
+ fi
+ done
+
+ if test -n "$COMMIT_FILES" \
+ && ! ${CVS} commit -m "Daily bump." $COMMIT_FILES; then
+ # If we could not commit the files, indicate failure.
+ RESULT=1
+ fi
+
+ # Remove the files.
+ rm -rf gcc
+done
/bin/rm -rf /tmp/$$
-exit $commit_results
+exit $RESULT