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#!/bin/sh
# $Id$
# Public domain. Originally written 2004, Karl Berry.
# Get change info from svn log. (see now-deleted p4changelog for the
# previous code using p4.)
umask 0
debug=true
chicken=${OVERRIDE_CHICKEN-false}
# to get started, ran svn log and put the first thousand changes in log.
mydir=`dirname $0` # Build/tools
outdir=`cd $mydir/../logs && pwd`
outfile=$outdir/svnlog
test ! -f $outfile && exit 2 # error probably given by the cd
# get the revision number we last logged
line=`grep '^r[0-9]' $outfile | head -1 | sed 's/^r//'`
lastlogged=`echo "$line" | awk '{print $1}'`
echo "$lastlogged" | egrep '^[0-9]+$' >/dev/null \
|| { echo "$0: no change number in r line of $outfile: $line";
exit 1; }
nextneeded=`expr $lastlogged + 1`
$debug && echo "lastlogged=$lastlogged, nextneeded=$nextneeded"
if test -z "$nextneeded"; then
echo "$0: empty nextneeded?!"
exit 1
fi
# get the log info since then.
tlroot=`cd $mydir/../.. && pwd`
newlogs=$outdir/newlogdata
svn log -v -r HEAD:$nextneeded $tlroot >$newlogs || exit 1
# with HEAD:next we get the entries newest first, as we want them.
$debug && ls -l $newlogs
line=`grep '^r[0-9]* |' $newlogs | head -1 | sed 's/^r//'`
latestchange=`echo "$line" | awk '{print $1}'`
$debug && echo "latestchange=$latestchange"
if test -z "$latestchange"; then
echo "$0: empty latestchange?!"
exit 1
fi
# done if nothing submitted since last change.
# or if only one commit has been made, because we ourselves do a commit,
# so otherwise we'd add a useless entry every time we're run.
test $latestchange -le $nextneeded && exit 0
# rotate logs if crossed a 1000-change mark.
rotate=false
for c in `seq $latestchange -1 $nextneeded`; do
echo $c | grep '001$' >/dev/null && rotate=true
done
$debug && echo "rotate=$rotate"
if ! $chicken && $rotate; then
mv -v $outfile $outfile.$lastlogged
gzip -v $outfile.$lastlogged
chmod 444 $outfile.$lastlogged.gz
ls -l $outfile.$lastlogged.gz
svn add $outfile.$lastlogged.gz
cp /dev/null $outfile
fi
# prepend new changes to current log, and put log messages first.
$mydir/svnchangelog.sed $newlogs >$outfile.new
cat $outfile >>$outfile.new
if $debug; then # really debug
# show first and last change number in each file.
for f in $newlogs $outfile $outfile.new; do
echo
(cd `dirname $f` && ls -l `basename $f`)
grep '^r[0-9]* |' $f | head -1
grep '^r[0-9]* |' $f | tail -1
done
fi
if ! $chicken; then
mv $outfile.new $outfile
echo "svn commit..."
svn commit -m"regenerated by $0" $outdir
fi
$mydir/svnchangelog.sed $newlogs # show it to me
rm -f $newlogs $outfile.new
exit 0
# to get things started:
svn log -v -r 1000:1 /home/texlive/trunk/ >svnlog
svn add svnlog
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