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Diffstat (limited to 'bin/rcsfreeze')
| -rwxr-xr-x | bin/rcsfreeze | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/bin/rcsfreeze b/bin/rcsfreeze new file mode 100755 index 0000000..0a13a17 --- /dev/null +++ b/bin/rcsfreeze @@ -0,0 +1,132 @@ +#! /bin/sh +# rcsfreeze - assign a symbolic revision number to a configuration of RCS files +# +# Copyright (C) 2010-2013 Thien-Thi Nguyen +# +# This file is part of GNU RCS. +# +# GNU RCS is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# GNU RCS is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty +# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +## +# Usage: rcsfreeze [symbolic-name] +# +# The idea is to run rcsfreeze each time a new version is checked +# in. A unique symbolic revision number (C_[number], where number +# is increased each time rcsfreeze is run) is then assigned to the most +# recent revision of each RCS file of the main trunk. +# +# If the command is invoked with an argument, then this +# argument is used as the symbolic name to freeze a configuration. +# The unique identifier is still generated +# and is listed in the log file but it will not appear as +# part of the symbolic revision name in the actual RCS file. +# +# A log message is requested from the user which is saved for future +# references. +# +# The shell script works only on all RCS files at one time. +# It is important that all changed files are checked in (there are +# no precautions against any error in this respect). +# file names: +# {RCS/}.rcsfreeze.ver version number +# {RCS/}.rscfreeze.log log messages, most recent first +## +version='rcsfreeze (GNU RCS) 5.9.0 +Copyright (C) 2010-2013 Thien-Thi Nguyen +Copyright (C) 1990-1995 Paul Eggert +License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> +This is free software: you are free to change and redistribute it. +There is NO WARRANTY, to the extent permitted by law. + +Written by Stephan v. Bechtolsheim.' + +usage () +{ + sed '/^##/,/^##/!d;/^##/d;s/^# //g;s/^#$//g' $0 +} + +if [ x"$1" = x--help ] ; then usage ; exit 0 ; fi +if [ x"$1" = x--version ] ; then echo "$version" ; exit 0 ; fi + +PATH=/usr/local/bin:/bin:/usr/bin:/usr/ucb:$PATH +export PATH + +DATE=`date` || exit +# Check whether we have an RCS subdirectory, so we can have the right +# prefix for our paths. +if test -d RCS +then RCSDIR=RCS/ EXT= +else RCSDIR= EXT=,v +fi + +# Version number stuff, log message file +VERSIONFILE=${RCSDIR}.rcsfreeze.ver +LOGFILE=${RCSDIR}.rcsfreeze.log +# Initialize, rcsfreeze never run before in the current directory +test -r $VERSIONFILE || { echo 0 >$VERSIONFILE && >>$LOGFILE; } || exit + +# Get Version number, increase it, write back to file. +VERSIONNUMBER=`cat $VERSIONFILE` && +VERSIONNUMBER=`expr $VERSIONNUMBER + 1` && +echo $VERSIONNUMBER >$VERSIONFILE || exit + +# Symbolic Revision Number +SYMREV=C_$VERSIONNUMBER +# Allow the user to give a meaningful symbolic name to the revision. +SYMREVNAME=${1-$SYMREV} +echo >&2 "rcsfreeze: symbolic revision number computed: \"${SYMREV}\" +rcsfreeze: symbolic revision number used: \"${SYMREVNAME}\" +rcsfreeze: the two differ only when rcsfreeze invoked with argument +rcsfreeze: give log message, summarizing changes (end with EOF or single '.')" \ + || exit + +# Stamp the logfile. Because we order the logfile the most recent +# first we will have to save everything right now in a temporary file. +TMPLOG=`mktemp -t` || exit +trap 'rm -f $TMPLOG; exit 1' 1 2 13 15 +# Now ask for a log message, continously add to the log file +( + echo "Version: $SYMREVNAME($SYMREV), Date: $DATE +-----------" || exit + while read MESS + do + case $MESS in + .) break + esac + echo " $MESS" || exit + done + echo "----------- +" && + cat $LOGFILE +) >$TMPLOG && + +# combine old and new logfiles +cp $TMPLOG $LOGFILE && +rm -f $TMPLOG && + +# Now the real work begins by assigning a symbolic revision number +# to each rcs file. Take the most recent version on the default branch. + +# If there are any .*,v files, throw them in too. +# But ignore RCS/.* files that do not end in ,v. +DOTFILES= +for DOTFILE in ${RCSDIR}.*,v +do + if test -f "$DOTFILE" + then + DOTFILES="${RCSDIR}.*,v" + break + fi +done + +exec rcs -q -n$SYMREVNAME: ${RCSDIR}*$EXT $DOTFILES |