#!/bin/bash

debug=""

#debug="echo"

cd $HOME/src/fedora/rpms/vim/master/

LANG=C

SPEC=vim.spec

DATE=`date +"%a %b %d %Y"`

MAJORVERSION=`grep "define baseversion" vim.spec | cut -d ' ' -f 3`

CHLOG="* $DATE Karsten Hopp <karsten@redhat.com> $MAJORVERSION"

ORIGPL=`grep "define patchlevel" vim.spec | cut -d ' ' -f 3 | sed -e "s/^0*//g"`

ORIGPLFILLED=`printf "%03d" $ORIGPL`

PL=$ORIGPL

git pull

while true; do

    LASTPL=$PL

    LASTPLFILLED=`printf "%03d" $LASTPL`

    PL=$((PL+1))

    PLFILLED=`printf "%03d" $PL`

    PNAME="$MAJORVERSION.$PLFILLED"

    URL="ftp://ftp.vim.org/pub/vim/patches/$MAJORVERSION/$PNAME"

    wget -nc $URL 2>/dev/null

    if [ "$?" -ne "0" ]; then

        # Patchlevel not yet available, back down

        PL=$LASTPL

        PLFILLED=$LASTPLFILLED

        LASTPL=$((LASTPL-1))

        LASTPLFILLED=`printf "%03d" $LASTPL`

        if [ "$PL" == "$ORIGPL" ]; then

            echo "No new patchlevel available"

            exit

        fi

        break

    else

        # echo "Got patchlevel $MAJORVERSION.$PL, current CVS is at $MAJORVERSION.$ORIGPL"

        $debug git add $PNAME

        $debug git commit -m "- patchlevel $PLFILLED" $PNAME

        sed -i -e "/Patch$LASTPLFILLED: ftp:\/\/ftp.vim.org\/pub\/vim\/patches\/$MAJORVERSION\/$MAJORVERSION.$LASTPLFILLED/aPatch$PLFILLED: ftp:\/\/ftp.vim.org\/pub\/vim\/patches\/$MAJORVERSION\/$MAJORVERSION.$PLFILLED" $SPEC

        sed -i -e "/patch$LASTPLFILLED -p0/a%patch$PLFILLED -p0" $SPEC

    fi

done

sed -i -e "/Release: /cRelease: 1%{?dist}" $SPEC

sed -i -e "s/define patchlevel $ORIGPLFILLED/define patchlevel $PLFILLED/" $SPEC

sed -i -e "/\%changelog/a$CHLOG.$PLFILLED-1\n- patchlevel $PLFILLED\n" $SPEC

wget ftp://ftp.vim.org/pub/vim/patches/$MAJORVERSION/README -O README.patches

$debug git commit -m "- patchlevel $PL" 

$debug rm -f $HOME/.koji/config

$debug fedpkg build

$debug ln -sf $HOME/.koji/s390-config config