# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
#
# this handler will backup subversion repostitories.
#

getconf src /var/lib/svn
getconf dest /var/backups/svn
getconf tmp /var/backups/svn.tmp
getconf HOTBACKUP "/usr/bin/svnadmin hotcopy"
getconf vsname	

error=0

# Decide if the handler should operate on a vserver or on the host.
# In the former case, check that $vsname exists and is running.
local usevserver=no
local vroot
if [ $vservers_are_available = yes ]; then
   if [ -n "$vsname" ]; then
      # does it exist ?
      if ! vservers_exist "$vsname" ; then
         fatal "The vserver given in vsname ($vsname) does not exist."
      fi
      # is it running ?
      vservers_running $vsname || fatal "The vserver $vsname is not running."
      # everything ok
      info "Using vserver '$vsname'."
      usevserver=yes
      vroot="$VROOTDIR/$vsname"
   else
      info "No vserver name specified, actions will be performed on the host."
   fi
fi

cd $vroot$src
for repo in `find . -name svnserve.conf`
do
    repo=`dirname $repo`
    repo=`dirname $repo`

    ret=`mkdir -p $vroot$tmp/$repo 2>&1`
    code=$?
    if [ "$ret" ]; then
       debug "$ret"
    fi
    if [ $code != 0 ]; then   
       error "command failed mkdir -p $vroot$tmp/$repo"
    fi

    if [ $usevserver = yes ]
    then
	ret=`$VSERVER $vsname exec $HOTBACKUP $src/$repo $tmp/$repo 2>&1`
    else
	ret=`$HOTBACKUP $src/$repo $tmp/$repo 2>&1`
    fi
    code=$?
    if [ "$ret" ]; then
       debug "$ret"
    fi
    if [ $code != 0 ]; then
       error "command failed -- $HOTBACKUP $vroot$src/$repo $vroot$tmp/$repo"
       error=1
    fi
done

if [ $error -eq 1 ]; then
    echo "Error: because of earlier errors, we are leaving svn backups in $vroot$tmp instead of $vroot$dest"
else
    if [ -d $vroot$dest -a -d $vroot$tmp ]; then
        rm -rf $vroot$dest
    fi
    if [ -d $vroot$tmp ]; then
        mv $vroot$tmp $vroot$dest
    fi
fi

exit 0