#!/usr/bin/env bash

working_dir="$(dirname $(realpath $0))"
conf_file="${working_dir}/conf/update_git_repositories.conf"

log_file="$(mktemp)"

#---------------------------------------
#-----------------------------
# Some functions
#-----------------------------
#---------------------------------------

clean_up() {

   # Perform program exit housekeeping
   rm $log_file
   exit $1
}

echononl(){
   echo X\\c > /tmp/shprompt$$
   if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
      echo -e -n "$*\\c" 1>&2
   else
       echo -e -n "$*" 1>&2
   fi
   rm /tmp/shprompt$$
}

error(){
   echo ""
   echo -e "\t[ \033[31m\033[1mError\033[m ]: $*"
   echo ""
}

fatal(){
   echo ""
   echo -e "\t[ \033[31m\033[1mFatal\033[m ]: $*"
   echo ""
   echo -e "\t\033[37m\033[1mInstalllation will be interrupted\033[m\033[m"
   echo ""
   clean_up 1
   exit 1
}

warn (){
   echo ""
   echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
   echo ""
}

info (){
   echo ""
   echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
   echo ""
}

echo_done() {
   echo -e "\033[80G[ \033[32mdone\033[m ]"
}
echo_ok() {
   echo -e "\033[80G[ \033[32mok\033[m ]"
}
echo_warning() {
   echo -e "\033[80G[ \033[33m\033[1mwarn\033[m ]"
}
echo_failed(){
   echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
}
echo_skipped() {
   echo -e "\033[80G[ \033[37mskipped\033[m ]"
}

trap clean_up SIGHUP SIGINT SIGTERM


#---------------------------------------
#-----------------------------
# Read Configurations from $conf_file
#-----------------------------
#---------------------------------------

if [[ -f "$conf_file" ]]; then
   source "$conf_file"
fi

[[ -z "$GIT_BASE_DIRECTORIES" ]] && GIT_BASE_DIRECTORIES="/usr/local/src /root/bin"



for _git_base_dir in $GIT_BASE_DIRECTORIES ; do
   echo ""
   for _dir in $(ls ${_git_base_dir}/) ; do
      [[ ! -d "${_git_base_dir}/$_dir" ]] && continue
      [[ ! -d "${_git_base_dir}/${_dir}/.git" ]] && continue
      echononl "   Update Repository ${_git_base_dir}/$(basename $_dir).."
      if [[ "$_dir" = "dehydrated-cron" ]]; then
         echo_skipped
         warn "Update this repository manually, because username and password\n\t             is needed."
      else
         git -C "${_git_base_dir}/${_dir}" pull > $log_file 2>&1
         if [[ $? -eq 0 ]] ; then
            echo_ok
         else
            echo_failed
            error "$(cat $log_file)"
         fi
      fi
   done
done

echo ""
clean_up