plugins/nbak

   1 #!/usr/bin/env sh
   2
   3 # Description: Backup nnn configuration
   4 #              - config dir content
   5 #              - environment config
   6 #              - shell functions and aliases
   7 #
   8 # Shell: POSIX compliant
   9 # Author: Léo Villeveygoux
  10
  11 nnn_aliases="n nnn"
  12
  13 outdir="nnn-$(whoami)@$(hostname)"
  14
  15 outfile="${outdir}.tar.bz2"
  16
  17 shellname="$(basename "$SHELL")"
  18
  19 conffile="config.txt"
  20
  21 configdir="${XDG_CONFIG_HOME:-$HOME/.config}/nnn"
  22
  23 workdir="$PWD"
  24
  25 tempdir="$(mktemp -d)"
  26
  27 mkdir "$tempdir/$outdir"
  28
  29 if [ ! -d "$tempdir" ]; then
  30         echo "Can't create work directory." >&2
  31         exit 1
  32 fi
  33
  34 cd "$tempdir/$outdir" || exit 1
  35
  36 # Backing up config dir content
  37 cp -r "$configdir" . || exit 1
  38
  39 # Environment config
  40 env | sed "s/'/'\\\\''/" |\
  41         awk '/^NNN_/{print "export '\''"$0"'\''"}' > "$conffile"
  42
  43 # Shell functions/aliases
  44 case "$shellname" in
  45         bash)
  46                 for name in $nnn_aliases ; do
  47                         if [ "$(bash -ic "type -t $name")" = "function" ] ; then
  48                                 bash -ic "type $name" | tail -n+2 >> "$conffile"
  49                         elif bash -ic "alias $name" >/dev/null 2>&1 ; then
  50                                 bash -ic "alias $name" >> "$conffile"
  51                         fi
  52                 done
  53                 ;;
  54         zsh)
  55                 for name in $nnn_aliases ; do
  56                         if zsh -ic "functions $name" ; then
  57                                 zsh -ic "functions $name" >> "$conffile"
  58                         elif zsh -ic "alias $name" ; then
  59                                 echo alias "$(zsh -ic "alias $name")" >> "$conffile"
  60                         fi
  61                 done
  62                 ;;
  63
  64         *)
  65                 echo "Unknown shell, skipping alias/function checking." >&2
  66                 ;;
  67 esac
  68
  69 cd .. || exit 1
  70
  71 printf "Saving as '%s' ... " "$workdir/$outfile"
  72
  73 tar caf "$workdir/$outfile" "$outdir" && echo "Done" || echo "Failed"
  74
  75 cd "$workdir" && rm -rf "$tempdir"