A shell script to export svn repository without subversion client.

svn-export.sh

#!/bin/bash

function svn_export {
  function svn_export_one { (
    local url=$1
    local directory=$2
    local revision=$3
    local prefix="$(echo $url | cut -b $(expr ${#base_url} + 2)-)"
    for file in $(curl -L "$url?p=$revision" 2>/dev/null | grep '<li><a href=".*"' | sed 's:^.*<li><a href=".*">\(.*\)</a>.*$:\1:g'); do
      if [ "$file" = "$(echo $file | sed 's:^.*\(/\)$:\1:g')" -a "$file" != ".." ]; then
        if [ -z "$prefix" ]; then
          echo "A    $directory/$file"
        else
          echo "A    $directory/$prefix/$file"
        fi
        curl -L $url/$file?p=$revision 2>/dev/null -o $file
      elif [ "$file" != ".." ]; then
        file=$(echo $file | sed 's:/$::g')
        if [ -z "$prefix" ]; then
          echo "A    $directory/$file"
        else
          echo "A    $directory/$prefix/$file"
        fi
        mkdir $file
        (cd $file && svn_export_one $url/$file $directory $revision)
      fi
    done
  ) }

  function get_revision { (
    local url=$1
    curl -L $url 2>&1 | grep h2 | grep "Revision [0-9]*:" | sed 's/^.* Revision \([0-9]*\):.*$/\1/g' | tr -d '\n'
  ) }

  local base_url=$1
  local directory=$2
  local revision=$3
  if [ -z "$revision" ]; then
    revision=$(get_revision $base_url)
  fi

  [ -d "$directory" ] || {
    mkdir -p "$directory"
  }
  (cd $directory && svn_export_one $base_url $directory $revision)
  echo "Exported revision $revision."
}

function usage {
  echo "svn_export.sh: Create an unversioned copy of a tree."
  echo "usage: bash $0 URL [--revision REV|-r REV] [PATH]"
  echo ""
  echo "  URL                : A repository url"
  echo "  --revision REV     : A revision number to be exported."
  echo "  -r REV"
  echo "  PATH               : A target directory to be exported."
}

revision=
base_url=
directory=
while true; do
  case $1 in
    -r | --revision) {
      revision=$2
      shift 2
    };;
    -h | --help) {
      usage
      exit 0
    };;
    *) {
      if [ -z "$base_url" ]; then
        base_url=$1
      else
        directory=$1
      fi
      shift
    };;
  esac
  [ $# = 0 ] && break
done
if [ -z "$directory" ]; then
  directory=$(basename $base_url)
fi

svn_export $base_url $directory $revision