#!/bin/sh
#
#  Migrate TCOS to GIT
#
SVN_TRUNK=http://tcosproject.org/svn/tcos/trunk
GIT_WEB=http://tcosproject.org/gitweb/
GIT_SSH=ssh://git@tcosproject.org/git/
GIT_ANO=http://tcosproject.org/git/
AUTHORS=/ftp/tcosproject.org/authors.txt
ROOT=/ftp/tcosproject.org/root
GITROOT=/ftp/tcosproject.org/gitroot/


migrate_repo() {
    PKG=$1
    if [ "$1" = "" ]; then
      echo "Need a package to migrate"
      return
    fi

    if [ -d ${GITROOT}/${PKG}.git ]; then
      #echo "Error: Package '$PKG' found"
      return
    fi

    # import with git-svn
    mkdir -p ${ROOT}/${PKG}
    ( cd ${ROOT}/${PKG} && git-svn clone ${SVN_TRUNK}/${PKG} --authors-file=${AUTHORS} )

    if [ $? != 0 ]; then
      echo "Error while downloading SVN repos of $PKG"
      return
    fi

    # create git from SVN
    mkdir -p ${ROOT}/${PKG}.git
    (cd ${ROOT}/${PKG}.git && git --bare init)

    # go to git-svn, add remote and push
    ( cd ${ROOT}/${PKG}/$PKG && git remote add origin ${ROOT}/${PKG}.git )

    if [ $? != 0 ]; then
      echo "Error while pushing repos of $PKG"
      return
    fi

    ( cd ${ROOT}/${PKG}/$PKG && git-push origin master )
    

    if [ $? != 0 ]; then
      echo "Error while pushing repos of $PKG"
      return
    fi

    rm -rf ${ROOT}/${PKG}
    
    mv ${ROOT}/${PKG}.git ${GITROOT}
    

    echo "${PKG}.git mariodebian@gmail.com" >> ${GITROOT}/gitweb-projects

    echo "Done"
}

configure_git() {
    PKG=$1
    if [ "$1" = "" ]; then
      echo "Need a package to migrate"
      return
    fi

    cat << EOF > ${GITROOT}/${PKG}.git/config
[core]
        repositoryformatversion = 0
        filemode = true
        bare = true

[gitweb]
   owner = "Mario Izquierdo (mariodebian)"

EOF


cat << EOF > ${GITROOT}/${PKG}.git/description
TCOS GIT repository of $PKG package
EOF

    touch ${GITROOT}/${PKG}.git/git-daemon-export-ok
    chmod a+x ${GITROOT}/${PKG}.git/hooks/post-update

    # set URLS
    cat << EOF > ${GITROOT}/${PKG}.git/cloneurl
$GIT_ANO$PKG.git (anonymous)
$GIT_SSH$PKG.git (SSH key)
$GIT_WEB?p=$PKG;a=summary (browse)
EOF
   echo " * configured ${PKG}"
   #echo "${GITROOT}/${PKG}.git/cloneurl"
}


# get SVN dirs from trunk
PACKAGES=$(svn ls $SVN_TRUNK| grep "/$")
for _p in $PACKAGES; do

  p=$(basename $_p)
  migrate_repo "$p"
  configure_git "$p"


done