#!/bin/bash

debug=""

#debug="echo "

releases=( "f25" "f26" "f27" "master" )

releases_index=0

cd `dirname $0`

LANG=C

SPEC=vim.spec

CHANGES=1

force=0

if [ "x$1" == "x--force" ]; then

  force=1

fi

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

fedpkg switch-branch "${releases[@]: $releases_index: 1}"

if [ $? -ne 0 ]; then

  echo "Error with switching branch"

  exit 1

fi

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

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

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

if [ ! -d vim-upstream ]; then

   git clone https://github.com/vim/vim.git vim-upstream

else

   pushd vim-upstream

   git pull

   popd

fi

pushd vim-upstream

# get the latest tag. Might be tricky with other packages, but upstream vim uses just a single branch:

LASTTAG=$(git describe --tags $(git rev-list --tags --max-count=1))

# vim upstream tags have the form v7.4.123. Remove the 'v' and get major release and patchlevel:

UPSTREAMMAJOR=$(echo $LASTTAG | sed -e 's/v\([0-9]*\.[0-9]*\).*/\1/')

LASTPL=`echo $LASTTAG| sed -e 's/.*\.//;s/^0*//'`

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

if [ $force -ne 1 -a "$ORIGPLFILLED" == "$LASTPLFILLED" ]; then

    echo "No new patchlevel available"

    CHANGES=0

fi

rm -rf dist/* 2>/dev/null

make unixall

# include patchlevel in tarball name so that older sources won't get overwritten:

mv dist/vim-${UPSTREAMMAJOR}.tar.bz2 dist/vim-${UPSTREAMMAJOR}-${LASTPLFILLED}.tar.bz2

# We don't include the full upstream changelog in the rpm changelog, just ship a file with

# the changes:

git log > dist/README.patches

popd

cp -f vim-upstream/dist/README.patches README.patches

cp -f vim-upstream/dist/vim-${UPSTREAMMAJOR}-${LASTPLFILLED}.tar.bz2 .

#wget https://raw.githubusercontent.com/ignatenkobrain/vim-spec-plugin/master/ftplugin/spec.vim -O ftplugin-spec.vim

#wget https://raw.githubusercontent.com/ignatenkobrain/vim-spec-plugin/master/syntax/spec.vim -O syntax-spec.vim

if [ $CHANGES -ne 0 ]; then

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

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

   if [ "x$MAJORVERSION" != "x$UPSTREAMMAJOR" ]; then

      $debug sed -i -s "s/define baseversion: $MAJORVERSION/define baseversion: $UPSTREAMMAJOR=/" $SPEC

   fi

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

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

   $debug fedpkg new-sources vim-${UPSTREAMMAJOR}-${LASTPLFILLED}.tar.bz2

   $debug git add vim.spec README.patches

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

   $debug fedpkg mockbuild

   if [ $? -ne 0 ]; then

     echo "Error: fedpkg mockbuild"

     exit 1

   fi 

   $debug fedpkg push

   if [ $? -eq 0 ]; then

     for release in "${releases[@]:(1)}";

     do

       $debug fedpkg switch-branch $release

       $debug bash -c "git merge ${releases[@]: $release_index: 1} <<<':x'"

       if [ $? -ne 0 ]; then

         echo "Error: git merge ${releases[@]: $release_index: 1}"

         exit 1

       fi

       let "release_index+=1"

       $debug fedpkg mockbuild

       if [ $? -ne 0 ]; then

         echo "Error: fedpkg mockbuild failed"

         exit 1

       fi

       $debug fedpkg push

       if [ $? -ne 0 ]; then

         echo "Error: fedpkg push"

         exit 1

       fi 

     done

   else

     echo "Error: fedpkg push"

     exit 1

   fi

   #$debug git push

   #if [ $? -eq 0 ]; then

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

   #   $debug fedpkg build

   #   $debug ln -sf ppc-config $HOME/.koji/config

   #else

   #   echo "GIT push failed"

   #fi

fi

exit 0