#!/bin/bash
thresdate="2006-02-20 21:16:10 +0000"
thres=`date -d "$thresdate" +%s`
IFS=:
FILESEP="============================================================================="
ENTRYSEP="----------------------------"
mkdir -p logs diffs
cvs -d:pserver:address@hidden:/sources/tinycc log | while read a b ; do
  case "$a" in
    "Working file")
      wf="$b"
      ;;
    "$ENTRYSEP")
      while [ "$a" = "$ENTRYSEP" ] ; do
        IFS=" " read a rev
        read a
        date=`echo "$a" | sed 's|.*date: \([^;]*\);.*|\1|'`
        author=`echo "$a" | sed 's|.*author: \([^;]*\);.*|\1|'`
        commitid=`echo "$a" | sed -n 's|.*commitid: \([^;]*\);.*|\1|p'`
	udate=`date -d "$date" +%s`
	fname="logs/$date;$author;$commitid"
	if [ -n "$commitid" ] && [ -f "logs/"*";$commitid.files" ] ; then
	  oname=`ls "logs/"*";$commitid.files"`
	  oname=${oname%%.files}
	  odate=${oname%%;*}
	  odate=${odate#logs/}
	  odate=`date -d "$odate" +%s`
	  if [ $odate -ge $udate ] ; then
	    fname="$oname"
	  else
	    mv "$oname.desc" "$fname.desc"
	    mv "$oname.files" "$fname.files"
	  fi
	fi
        writedesc=
	if [ $udate -gt $thres ] ; then
	  echo "$rev $wf" >> "$fname.files"
          if [ ! -f "$fname.desc" ] ; then
            writedesc=yes
          fi
	fi
	while read a ; do
	  case "$a" in
	    "$ENTRYSEP" | "$FILESEP")
	      break
	      ;;
	    *)
	      [ -z "$writedesc" ] || echo "$a" >> "$fname.desc"
	      ;;
	  esac
	done
      done
      ;;
  esac
done
prevdate="$thresdate"
IFS=" "
for i in logs/*.files ; do
  basename "$i" .files | (
    IFS=";"
    read a b c
    if [ -z "$c" ] ; then
      exec > "diffs/$a $b.patch"
    else
      exec > "diffs/$a $b ($c).patch"
    fi
    echo Author: "$b"
    echo Date: "$a"
    [ -z "$c" ] || echo CommitID: "$c"
    echo
    echo Log:
    cat "${i%%.files}.desc"
    echo
    echo Affected:
    IFS=" "
    while read x b ; do
      echo "    $b"
    done < "$i"
    echo
    cvs -d:pserver:address@hidden:/sources/tinycc diff -D "$prevdate" -D "$a" -u -d -N -p
  )
  prevdate="${i%%;*}"
  prevdate="${prevdate##logs/}"
done