Checkout a team's projects in SVN

checkout.sh

#!/bin/bash

REPO_BASE="https://svn.repo/department/team"
LOCAL_BASE="${HOME}/svn"

backoff() {
  local count iteration timeout output ret
  timeout=1
  count=5
  iteration=0
  output="$(${@} 2>&1)"
  ret=$?
  while [[ $ret -ne 0 && $iteration -lt $count ]]
    do
    sleep ${timeout}
    timeout=$((timeout * 2))
    iteration=$((iteration + 1))
    output="$(${@} 2>&1)"
    ret=$?
  done
  if [ -n "${output}" ]
    then
    echo "${output}"
  fi
  return $ret
}

is_stdlayout() {
  output=$(backoff svn ls "${1}")
  if [[ $? -ne 0 ]]
    then
    return 2
  elif [[ $(grep "^\(branches\|tags\|trunk\)/\?$" <<< "${output}" | wc -l) -gt 0 ]]
    then
    return 0
  else
    return 1
  fi
}

repo_list=$(backoff svn ls "${REPO_BASE}")
if [ $? -ne 0 ]
  then
  echo "Unable to list ${REPO_BASE}"
  exit 1
fi

while read repo;
  do
  SVNFLAGS="--quiet --ignore-externals"
  REMOTE_REPO="${REPO_BASE}/${repo%%/}"
  LOCAL_REPO="${LOCAL_BASE}/${repo%%/}"
  if [[ -d "${LOCAL_REPO}" ]]
    then
    continue
  fi
  echo "${REMOTE_REPO} -> ${LOCAL_REPO}"
  if is_stdlayout "${REMOTE_REPO}"
    then
    REMOTE_REPO="${REMOTE_REPO}/trunk"
  fi
  backoff svn checkout ${SVNFLAGS} "${REMOTE_REPO}" "${LOCAL_REPO}"
  if [ $? -ne 0 ]
    then
    echo "${REMOTE_REPO}" >> failed.txt
    echo "Failed to checkout ${REMOTE_REPO}"
    echo -n "${output}"
  fi
done <<< "${repo_list}"