100 lines
3.1 KiB
Bash
100 lines
3.1 KiB
Bash
#! /bin/sh
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# rcsfreeze - assign a symbolic revision number to a configuration of RCS files
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# $FreeBSD$
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# The idea is to run rcsfreeze each time a new version is checked
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# in. A unique symbolic revision number (C_[number], where number
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# is increased each time rcsfreeze is run) is then assigned to the most
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# recent revision of each RCS file of the main trunk.
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#
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# If the command is invoked with an argument, then this
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# argument is used as the symbolic name to freeze a configuration.
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# The unique identifier is still generated
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# and is listed in the log file but it will not appear as
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# part of the symbolic revision name in the actual RCS file.
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#
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# A log message is requested from the user which is saved for future
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# references.
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#
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# The shell script works only on all RCS files at one time.
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# It is important that all changed files are checked in (there are
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# no precautions against any error in this respect).
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# file names:
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# {RCS/}.rcsfreeze.ver version number
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# {RCS/}.rscfreeze.log log messages, most recent first
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PATH=/bin:/usr/bin:$PATH
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export PATH
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DATE=`LC_ALL=C date` || exit
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# Check whether we have an RCS subdirectory, so we can have the right
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# prefix for our paths.
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if test -d RCS
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then RCSDIR=RCS/ EXT=
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else RCSDIR= EXT=,v
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fi
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# Version number stuff, log message file
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VERSIONFILE=${RCSDIR}.rcsfreeze.ver
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LOGFILE=${RCSDIR}.rcsfreeze.log
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# Initialize, rcsfreeze never run before in the current directory
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test -r $VERSIONFILE || { echo 0 >$VERSIONFILE && >>$LOGFILE; } || exit
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# Get Version number, increase it, write back to file.
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VERSIONNUMBER=`cat $VERSIONFILE` &&
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VERSIONNUMBER=`expr $VERSIONNUMBER + 1` &&
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echo $VERSIONNUMBER >$VERSIONFILE || exit
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# Symbolic Revision Number
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SYMREV=C_$VERSIONNUMBER
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# Allow the user to give a meaningful symbolic name to the revision.
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SYMREVNAME=${1-$SYMREV}
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echo >&2 "rcsfreeze: symbolic revision number computed: \"${SYMREV}\"
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rcsfreeze: symbolic revision number used: \"${SYMREVNAME}\"
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rcsfreeze: the two differ only when rcsfreeze invoked with argument
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rcsfreeze: give log message, summarizing changes (end with EOF or single '.')" \
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|| exit
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# Stamp the logfile. Because we order the logfile the most recent
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# first we will have to save everything right now in a temporary file.
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TMPLOG=/tmp/rcsfrz$$
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trap 'rm -f $TMPLOG; exit 1' 1 2 13 15
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# Now ask for a log message, continously add to the log file
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(
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echo "Version: $SYMREVNAME($SYMREV), Date: $DATE
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-----------" || exit
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while read MESS
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do
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case $MESS in
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.) break
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esac
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echo " $MESS" || exit
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done
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echo "-----------
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" &&
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cat $LOGFILE
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) >$TMPLOG &&
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# combine old and new logfiles
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cp $TMPLOG $LOGFILE &&
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rm -f $TMPLOG &&
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# Now the real work begins by assigning a symbolic revision number
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# to each rcs file. Take the most recent version on the default branch.
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# If there are any .*,v files, throw them in too.
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# But ignore RCS/.* files that do not end in ,v.
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DOTFILES=
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for DOTFILE in ${RCSDIR}.*,v
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do
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if test -f "$DOTFILE"
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then
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DOTFILES="${RCSDIR}.*,v"
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break
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fi
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done
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exec rcs -q -n$SYMREVNAME: ${RCSDIR}*$EXT $DOTFILES
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