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#!/bin/sh
#
# simple script to call the 'vlanscrape' script, check if there are changes
# in the output directory, and `git add . ; git commit -m "msg" ; git push`
# if there are

# call the script
/usr/local/bin/vlanscrape

cd /home/vlanscrape/git/git.nordu.net/vlanscrape-data

TmpFile=$(mktemp)
if [ -z "${TmpFile}" ]
then
  echo "cannot create temp file, giving up on versioning vlanscrape data"
  exit 1
fi

git status --porcelain=1 >"${TmpFile}"

FilesAdded=$(grep -E '^??' "${TmpFile}" | wc -l)
FilesAdded=$(echo ${FilesAdded} | cut -f 1 -d \ )
FilesModified=$(grep -E '^ M' "${TmpFile}" | wc -l)
FilesModified=$(echo ${FilesModified} | cut -f 1 -d \ )
Something=$(wc -l "${TmpFile}")
Something=$(echo ${Something} | cut -f 1 -d \ )

if [ ${Something} -ne 0 ]
then
  if [ ${FilesAdded} -ne 0 ]
  then
    CommitMsg="File addition"
  fi
  if [ ${FilesModified} -ne 0 ]
  then
    if [ -z "${CommitMsg}" ]
    then
      CommitMsg="File modification"
    else
      CommitMsg="${CommiMsg} and modification"
    fi
  fi
  if [ -z "${CommitMsg}" ]
  then
    CommitMsg="something changed"
  fi
fi

if [ ! -z "${CommitMsg}" ]
then
  git add .
  git commit -m "${CommitMsg}"
  git push
fi

rm "${TmpFile}"