ne/ne

#!/bin/bash

#exit table
#exit 1 - legato a file
#exit 3 - legato a editor
#exit 4 - legato a sudo

usage() {
	echo "ne - nginx edit"
	echo "Usage: ne file_to_edit [-y] [-c]"
	echo "Options:"
	echo "-h -> Show this help"
	echo "-y -> skip confirm on reload"
	echo "-c -> manually choose the text editor (default = vim)"
	echo "Note: ne chooses sudo by default, to change this behaviour update the file ~/.local/share/ne/program_privileges"
	echo "Default behaviour: without arguments edits nginx.conf with confirmation"
	exit 0
}

pushd /etc/nginx/sites-enabled

#load default settings
text_editor=${EDITOR:=vim}
[[ -e ~/.local/share/ne/settings/auto_confirm ]] && skip_confirm=1 || skip_confirm=0 #se esiste ~/.local/share/ne/settings/auto_confirm 
[[ -e ~/.local/share/ne/settings/program_privileges ]] && program_privileges=$(cat ~/.local/share/ne/settings/program_privileges) || program_privileges=sudo

#parse settings for this run
while [[ $# -gt 0 ]]; do
  case $1 in
    -h|--help)
	usage
      ;;
    -y|--skip-confirm)
	skip_confirm=1
	shift # past argument
      ;;
    -c|--choose-editor)
	shift # past argument
	[[ $1 = "" ]] && echo "No specified editor, exiting, run -h for help" && exit 3
	text_editor=$1
	shift # past value
      ;;
    -p|--choose-privileges-escalator)
	shift # past argument
	[[ $1 = "" ]] && echo "No program specified, exiting, run -h for help" && exit 4
	program_privileges=$1
	shift # past value
      ;;
    -*|--*)
      echo "Unknown option $1"
    #  exit 1
      ;;
    *)
      POSITIONAL_ARGS+=("$1") # save positional arg
      shift # past argument
      ;;
  esac
done


[[ ! $POSITIONAL_ARGS = "" ]] && file=$POSITIONAL_ARGS || file=../nginx.conf

$(which cp) $file /tmp/copia_check_nginx_${USER} #$(which cat) $file > /tmp/copia_check_nginx_${USER} #non so se usare cat > o cp
#se cat > o cp danno errore vuol dire che il file non esiste ed esco male:
[[ $? -eq 1 ]] && printf "File $file not found, exiting\n" && exit 1

#qua command -v e non which per silent quando fallisce
[[ ! -e $(command -v $text_editor) ]] && echo "$program_privileges is not installed" && exit 3
[[ ! -e $(command -v $program_privileges) ]] && echo "$program_privileges is not installed" && exit 4
$program_privileges $text_editor $file
diff --color=always $file /tmp/copia_check_nginx_${USER}

edited=$? 
if [[ $edited = 1 ]]
then
  $program_privileges nginx -t || exit 1 #se errori in conf, esci senza reload

  if [[ $skip_confirm = 1 ]]; #se continuo non ho errori e verifico se ho lo skipass
  then
	  $program_privileges nginx -s reload
  else
	  confirm "Configuration OK, reload conf?" && $program_privileges nginx -s reload
  fi
else
  echo "No edits found, no need for nginx reload"
  exit 1
fi
pushd