zimfw/modules/utility/functions/module_update

local currentdir=$(pwd)
local updated=0
local failed=0
local module
local mlocation
local nfailed
local ncolors red green yelllow blue bold normal 
if which tput >/dev/null 2>&1; then
    ncolors=$(tput colors)
  fi
if [ -t 1 ] && [ -n "${ncolors}" ] && [ "${ncolors}" -ge 8 ]; then
  red="$(tput setaf 1)"
  green="$(tput setaf 2)"
  yellow="$(tput setaf 3)"
  blue="$(tput setaf 4)"
  bold="$(tput bold)"
  normal="$(tput sgr0)"
else
  red=""
  green=""
  yellow=""
  blue=""
  bold=""
  normal=""
fi
for module in $umodules; do
  nfailed=0
  if [ -d ${ZIM_HOME}/modules/${module} ]; then
    mlocation=${ZIM_HOME}/modules/${module}
  elif [ -d ${ZIM_HOME}/modules/prompt/external-themes/${module} ]; then
    mlocation=${ZIM_HOME}/modules/prompt/external-themes/${module}
  else 
    echo "${red}Cant find $module module...$normal"
    break
  fi
  echo -ne "${blue}Updating $module... $normal"\\r
  output=$(cd $mlocation && git remote update -p && git merge --ff-only @\{u\})
  if [ $? -ne 0 ]; then
  	echo -ne "${red}Failed to update $module...\n $output $normal"\\r
  	failed=$((failed+1))
  	nfailed=1
  fi
  if ! [ ${nfailed} = "1" ]; then
  if echo "$output" | grep -i "up to date" > /dev/null; then
  	echo -ne "${blue}$module at latest version.      $normal"\\r
  else
  	echo -ne "${green}Updated $module!      $normal"\\r
      updated=$((updated+1))
  fi
  fi
  printf '\n'
done
for pmodule in $pmodules; do
    echo -ne "${blue}Updating $pmodule... $normal"\\r
    output=$(cd ${ZIM_HOME}/modules/prompt/external-themes/$pmodule && git remote update -p && git merge --ff-only @\{u\})
    if [ $? -ne 0 ]; then
        echo -ne "${red}Failed to update $pmodule...\n $output $normal"\\r
        failed=$((failed+1))
    fi
    if echo "$output" | grep -i "up to date" > /dev/null; then
        echo -ne "${blue}$pmodule at latest version.      $normal"\\r
    else
        echo -ne "${green}Updated $pmodule!      $normal"\\r
        updated=$((updated+1))
    fi
    printf '\n'
done
if [ $updated -gt 0 ]; then
	if [ $failed -eq 0 ]; then
		echo "${green}${bold}Sucessfully updated $updated modules!$normal"
	fi
else
	if [ $failed -eq 0 ]; then
		echo "${blue}${bold}No module updates avaliable.$normal"
	fi
fi
if [ $failed -gt 0 ]; then
	if [ $updated -gt 0 ]; then
		echo "${blue}${bold}Sucessfully updated $updated modules and failed to update $failed modules.$normal"
	else
        echo "${red}${bold}Failed to update $failed modules, no module updates available.$normal"
	fi

fi
cd $currentdir