code / scripts

   1 #!/bin/sh
   2 # Symlink is a small script to basically make `ln -s` less of a pain in the ass.
   3 # This script automagically figures out which direction you mean, and allows you to
   4 # pass in two actual paths (which works with tab completion) and specify if you mean
   5 # to make a relative or absolute link (relative is assumed by default).
   6 #
   7 #     Usage: symlink [-a|--absolute] path1 path2
   8 #
   9 absolute="n"
  10 if [ "$1" = "-a" ] || [ "$1" = "--absolute" ]; then
  11     absolute="y"
  12     shift
  13 fi
  14 
  15 if [ $# -ne 2 ]; then
  16     echo "Usage: symlink [-a|--absolute] <target or link> <target or link>"
  17     exit 1
  18 fi
  19 
  20 if [ -e "$1" ] && [ -e "$2" ]; then
  21     printf "Both \x1b[1m%s\x1b[0m and \x1b[1m%s\x1b[0m already exist. Please delete one of them before proceeding.\n" "$@"
  22     exit 1
  23 elif ! [ -e "$1" ] && ! [ -e "$2" ]; then
  24     printf "\x1b[31mWarning: Neither \x1b[1m%s\x1b[22m nor \x1b[1m%s\x1b[22m exist!\x1b[0m\n" "$@"
  25     choice=$(printf "%s\n" "1. $1 -> $2" "2. $2 -> $1" "3. Whoops that was a mistake" | fzy -p "Which do you mean? " | awk -F. '{print $1}' || exit 1)
  26     case $choice in
  27         1) linkname="$1"; target="$2";;
  28         2) linkname="$2"; target="$1";;
  29         *) exit 1;;
  30     esac
  31 elif [ -e "$1" ]; then
  32     linkname="$2"; target="$1"
  33 else
  34     linkname="$1"; target="$2"
  35 fi
  36 
  37 if [ $absolute = "y" ]; then
  38     target="$(realpath "$target")"
  39 else
  40     target="$(realpath --relative-to="$(dirname "$linkname")" "$target")"
  41 fi
  42 
  43 printf "Linking \x1b[1m%s\x1b[0m -> \x1b[1m%s\x1b[0m Is this okay?" "$linkname" "$target"
  44 ask -y || exit 1
  45 echo
  46 ln -sv -T "$target" "$linkname"